September National Days

The month of September is incredibly rich with holidays and observations. In fact, there are 440+ national days, 40 national weeks, and 60 national months to be celebrated in September alone!

By the way, if you want a calendar for the whole year, just check out our National Day Calendar 2025-2026! Every day brings something new to learn about or celebrate—from Fashion Day to National Puppy Day.

Anyway, let’s buckle up and get ready to learn what the world is celebrating this September!

You will find on this page:

• The Top 10 Most Popular National Days & Observances in September
• A day-by-day rundown of all September holidays
• National & International Weeks celebrated in September
• National & International Months recognized in September

10 Most Popular National Days in September

The popularity of the holidays listed below is determined by how often their main hashtag was used on Instagram. Please note that this count is exclusive to Instagram and does not factor in other platforms. The information is current as of June 14th, 2024.

National Days in September 2025

September boasts more than 449 national and awareness days. Some are celebrated on fixed dates, while others recur annually, such as on the first Saturday of the month. We’ll start with a rundown of the September national days whose dates vary each year, and then provide a detailed list of those observed on specific dates.

September 1

September 1 kicks off with a whopping 21 national and international days right from the start.

• Cap Classique Day
• Building and Code Staff Appreciation Day
• Ginger Cat Appreciation Day
• Footy Colours Day 🇦🇺 (see also complete list of national days in Australia)
• Labor Day* (First Monday in September)
• Mouthguard Day* (First Monday in September)
• National Acne Positivity Day
• National Burnt Ends Day
• National Cherry Popover Day
• National Chicken Boy Day
• National Child Identity Theft Awareness Day
• National Emma M. Nutt Day
• National Forgiveness Day
  📝 It is not to be confused with the National Day of Forgiveness on September 27 or Global Forgiveness Day in July, which share similar themes.
• National Hotel Employee Day
• National Little Black Dress Day
• National No Rhyme Nor Reason Day
• National Tofu Day 🇬🇧
• Pink Cadillac Day
• Rosolio Day
• Wattle Day 🇦🇺
• World Letter Writing Day

September 2

The second day of September highlights themes of cultural traditions, historic reforms, sporting legacies, and lighthearted celebrations.

• Bison-Ten Yell Day
• Calendar Adjustment Day
• National Blueberry Popsicle Day
• National Live Fearless Day
• National Spalding Baseball Day
• Pierce Your Ears Day
• National Another Look Unlimited Day* (Day after Labor Day)
• Telephone Tuesday* (Day after Labor Day)
• World Coconut Day

September 3

September 3 highlights themes of sports, architecture, maritime service, literacy, and food traditions.

• Global Talent Acquisition Day* (First Wednesday in September)
• Indigenous Literacy Day* 🇦🇺 (First Wednesday in September)
• National Baby Back Ribs Day
• National Skyscraper Day
• National Unfinished Projects Day
• National Welsh Rarebit Day 🇬🇧
• US Bowling League Day

September 4

September 4 highlights themes of health, history, culture, innovation, and conservation.

• Bey Day (Beyoncé)
• International Taekwondo Day
• National Eat an Extra Dessert Day
• National Macadamia Nut Day
• National Newspaper Carrier Day
• National Spice Blend Day
• National Wildlife Day
• World Cogeneration Day
• World Sexual Health Day (WSHD)

September 5

September 5 honors timeless favorites like cheese pizza, Chianti, and samosas, while spotlighting important causes from food banks to spinal cord injury awareness. It also offers lighter reminders to laugh, relax, and appreciate quirks like being late or indulging in an extra glass of wine.

• Bring Your Manners To Work Day* (First Friday in September)
• International Day of Charity
• National 401(k) Day* (Friday after Labor Day)
• National Actdumb Day
• National Be Late for Something Day
• National Cellulite Day
• National Cheese Pizza Day
• National Chianti Day* (First Friday in September)
• National Food Bank Day* (First Friday in September)
• National Lazy Mom’s Day* (First Friday in September)
• National Shrink Day
• Spinal Cord Injury Day
• World Samosa Day

September 6

September 6 highlights themes of literature, wildlife conservation, food and drink traditions, and personal awareness.

• Fight Procrastination Day
• International Turkey Vulture Day (IVAD)* (First Saturday of September)
• National Coffee Ice Cream Day
• National Color Blind Awareness Day
• National Hummingbird Day* (First Saturday in September)
• National Read a Book Day
• National Tailgating Day* (First Saturday in September)
• World Beard Day* (First Saturday in September)

September 7

There are a whopping 19 national & international days to celebrate on September 7th! This day brings together themes of history, gratitude, art, and awareness, with observances that honor states and grandparents, celebrate folk artists and favorite foods, and raise global attention to issues such as clean air and rare diseases.

• Google Commemoration Day
• International Day of Clean Air for Blue Skies
• International Day of Police Cooperation
• International Pool Pro Day
• National Acorn Squash Day
• National Beer Lovers Day
• National Buy a Book Day (Discover more bookish national days.)
• National Feel the Love Day
• National First Day of Peel Season
• National Grandparents Day* (First Sunday after Labor Day)
  💗 Check out our list of national days related to family and friends.
• National Grandma Moses Day
• National Grateful Patient Day
• National New Hampshire Day
• National Neither Snow Nor Rain Day
• National Pastor’s Spouses Day* (First Sunday in September)
• National Pet Rock Day* (First Sunday in September)
• National Salami Day
• Superhuman Day
• World Duchenne Awareness Day

September 8

The observances on September 8 highlight literacy, forgiveness, healthcare, design, and popular culture.

• Actors’ Day
• International Literacy Day
• National Ampersand Day
• National Boss/Employee Exchange Day* (First Monday after Labor Day)
• National Dog Walker Appreciation Day
  🐕 Discover more similar observances in our complete list of dog holidays.
• National Iguana Awareness Day
• National Pediatric Hematology/Oncology Nurses Day
• Pardon Day
• Star Trek Day
• World Physical Therapy Day

September 9

The September 9 observances balance serious global awareness campaigns with whimsical and lighthearted celebrations.

• Care Bears™ Share Your Care Day
• Emergency Services Day / 999 Day 🇬🇧
• Falsely Accused Day
• International Box Wine Day
  🍷 See the complete list of wine related national days.
• International Buy a Priest a Beer Day
• International Day to Protect Education from Attack
• International Fetal Alcohol Spectrum Disorder (FASD) Awareness Day
  🛑 See the complete list of national days related to sobriety and quitting alcohol.
• International Sudoku Day
• National Ants on a Log Day* (Second Tuesday in September)
• National Teddy Bear Day
• National Wienerschnitzel Day
• National When Pigs Fly Day
• Steak Au Poivre Day
• Technical Analysts Day
• Wonderful Weirdos Day

September 10

September 10 highlights themes of mental health, innovation, wellness, and culture.

• National Anti-Junk Light Day
• National Port Wine Day
• National Swap Ideas Day
• National Quiet Day* (Second Wednesday in September)
• National TV Dinner Day
• World Suicide Prevention Day (WSPD)
• World Quantum Readiness Day* (dates change annually but some day in September)

September 11

September 11 is etched into history as a solemn remembrance of the 2001 terrorist attacks in the United States, now marked through service, reflection, and community solidarity.

• Are You Okay Day / R U OK? Day 🇦🇺* (Second Thursday in September)
• Libraries Remember Day
• National Hot Cross Bun Day
• National Make Your Bed Day
• National School Picture Day* (Second Thursday in September)
• No News is Good News Day
• National Day of Service and Remembrance / Patriot Day

September 12

September 12 observances balance advocacy and awareness—from protecting dolphins and fighting cancer to promoting mindfulness and celebrating human creativity through video games and even cloud-watching.

• Bravehearts Day 🇦🇺 (formerly White Balloon Day)
  📝 In the United States, National BraveHearts Day is observed on April 28th to honor the bravery of families affected by pediatric cancer and to support childhood cancer research and treatment.
• International Cloud Appreciation Day* (Second or third Friday in September)
• International Crochet Day
• Mindfulness Day
• National Chocolate Milkshake Day
• National Day of Encouragement
• National Hug & High 5 Day
• National Just One Human Family Day
• National Police Woman Day
• National Report Medicare Fraud Day
• National Video Games Day (observed on July 8 and September 12)
• Stand Up To Cancer (SU2C)* (Second Friday in September)
• World Dolphin Day

September 13

September 13 themes of health awareness, literature, pop culture, food traditions, and national heritage.

• Cachaça Day (Brazilian spirit)
  🍹 International version of Cachaça Day is also observed on June 12.
• Farmers’ Consumer Awareness Day* (Second Saturday in September)
• German Language Day* (Second Saturday in September)
• International Drive Your Studebaker Day* (Second Saturday in September)
• International Chocolate Day
  🍫 There is a similar celebration, World Chocolate Day, that happens in June. Discover more chocolate-related national days.
• National Bald is Beautiful Day
• National Celiac Disease Awareness Day
• National Defy Superstition Day
• National Hug Your Boss Day
• National Kids Take Over the Kitchen Day
• National Peanut Day
• National Scooby-Doo Day
• National Twilighters Day
• Pet Birth Defect Awareness Day
• Positive Thinking Day
• Programmers Day / Day of the Programmer* (Usually September 13th but September 12th on leap years)
• Roald Dahl Day
• Supernatural Day
• Uncle Sam Day

September 14

September 14 brings together observances that highlight family and parenting, sobriety, creativity, food traditions, and health awareness.

• Gobstopper Day
• National Coloring Day
• National Cream Filled Donut Day
  🍩 National Donut Day or National Doughnut Day, celebrated in the United States and in some other countries, is on the first Friday of June of each year.
• National Eat A Hoagie Day
• National Food Is Medicine Day
• National Hug Your Hound Day* (Second Sunday in September)
  🐶 More national days related to dogs.
• National Live Creative Day
• National Parents’ Day Off
• National Pet Memorial Day* (Second Sunday in September)
• National Rosa Tequila Day
  🍸 See all alcohol-related national days.
• National Sober Day
  🛑 Discover all national days and months dedicated to sobriety. Also, download our free no-alcohol challenges and trackers.

September 15

September 15 highlights democracy, Afro hair culture, environmental activism, childhood cancer awareness, neonatal nursing, and education, alongside lighter observances celebrating linguine, double cheeseburgers, cheese toast, crème de menthe, felt hats, and butterscotch cinnamon pie.

• Butterscotch Cinnamon Pie Day
• Greenpeace Day
• International Day of Democracy
• International Dot Day
• Make a Hat Day
• National Cheese Toast Day
• National Crème de Menthe Day
  🍹 Discover more drinking holidays here.
• National Custom Framing Day
• National Double Cheeseburger Day
  🍔 A similar day, National Cheeseburger Day, is celebrated on September 18.
• National Felt Hat Day
• National Google.com Day
• National Linguine Day
  🍝 Discover all pasta-related national days.
• National Online Learning Day
• World Afro Day

September 16

National and international days on September 16 span themes of environmental protection, history, family, creativity, food, and civic engagement. The date marks milestones such as the signing of the Montreal Protocol to protect the ozone layer, the departure of the Mayflower, and the first coronary angioplasty, while also celebrating blended families, step-parents, and responsible pet care.

• Anne Bradstreet Day
• Collect Rocks Day
• Get Ready Day* (Third Tuesday in September)
• International Day for Interventional Cardiology
• Mayflower Day
• National Cinnamon Raisin Bread Day
• National Choose Your Chocolate Day
  Discover all 79+ chocolate-related national days celebrated throughout the year.
• National GED Day
• National Guacamole Day
• National IT Professionals Day* (Third Tuesday in September)
• National Play-Doh Day
• National Sit With a Stranger Day
• National Stepfamily Day
  ❤️ See also our complete list of family related national days.
• National Tattoo Story Day
• National Voter Registration Day* (Third Tuesday in September)
• National Woman Road Warrior Day* (Third Tuesday in September)
• National Working Parents Day
• Pet Promise Day
  🐶 See also our complete list of pet related national days.
• Stay Away from Seattle Day
• Teenager Workout Day
• Trail of Tears Commemoration Day
• World Barber Day
• World Ozone Day (International Day for the Preservation of the Ozone Layer)

September 17

September 17 highlights themes of citizenship, heritage, music, food, and community. Some observances trace their origins back to the signing of the U.S. Constitution in 1787, while others are modern initiatives that celebrate cultural icons, culinary favorites, or national identity.

• Australian Citizenship Day
• Constitution Day and Citizenship Day (U.S.)
• International Country Music Day
  🎶 Similar day, National Country Music Day is celebrated on July 4th.
• National Apple Dumpling Day
• National Monte Cristo Day
• National Pet Bird Day
• National Pet Carbon Monoxide (CO) Safety Day
  🐶 Discover more national days related to pets.
• National Professional House Cleaners Day
• 🧼 Discover the full list of national days dedicated to cleaning & organization.
• National School Backpack Awareness Day* (Third Wednesday in September)
• National Table Shuffleboard Day
• National Uniform Day* (Third Wednesday in September)
• Smithsonian Day (Museum Day)
• Time’s Up Day
• World Patient Safety Day
• World Manta Day

September 18

September 18 honors the establishment of the U.S. Air Force, the beginnings of chiropractic care, and the craft of cartonnage, while also addressing important issues such as equal pay, HIV and aging, and respect in relationships. Alongside these causes, people celebrate lighter themes like chbeeseburgers, red velvet cake, and even nostalgic Rice Krispies Treats.

• Chiropractic Founders Day
• Global Company Culture Day
• Hug A Greeting Card Writer Day
• International Day of Listening* (Third Thursday in September)
  👂 Similar days: World Listening Day (July 18) and National Day of Listening ( Day after Thanksgiving).
• International Equal Pay Day
• National Cartonnage Day
• National Ceiling Fan Day
• National Cheeseburger Day
  🍔 A similar day, National Double Cheeseburger Day, is celebrated on September 15.
• National Day of Civic Hacking
• National First Love Day
• National HIV/AIDS and Aging Awareness Day (NHAAD)
• National Pawpaw Day* (Third Thursday in September)
• National Red Velvet Cake Day
• National Report Kickback Fraud Day
• National Respect Day
• Purple Bra Day 🇦🇺
• Read An eBook Day
• Rice Krispies Treats Day
• World Bamboo Day
• World Water Monitoring Day
• U.S. Air Force Day

September 19

National and international observances on September 19 range from serious awareness campaigns—covering health conditions, equality, and remembrance—to lighthearted celebrations of food, drinks, and pop culture.

• Aortic Dissection Awareness Day
• 4pm Finish Day* (Third Friday in September)
• International Grenache Day* (Third Friday in September)
• International Talk Like a Pirate Day
• National Butterscotch Pudding Day
• National Cat DNA Day
  🐱 Discover all cat-related national days.
• National Concussion Awareness Day* (Third Friday in September)
• National Love Your Lunch Day
• National Meow Like a Pirate Day
• National POW/MIA Recognition Day* (Third Friday in September)
• National Tradesmen Day* (Third Friday in September)
• Raspberry Day* (Third Friday in September): raises awareness about cavernomas, clusters of abnormal blood vessels in the brain and spinal cord.

September 20

September 20 is one of the busiest dates of the year for observances, with a whopping 26 national and international celebrations.

• Batman Day* (Third Saturday in September)
• Big Whopper Liar Day* (Third Saturday in September)
• International Coastal Cleanup Day* (Third Saturday in September)
• International Day of University Sport (IDUS)
• International Eat An Apple Day* (Third Saturday in September)
• International Red Panda Day* (Third Saturday in September)
• International NFT Day
• Locate An Old Friend Day* (Third Saturday in September)
• National AKC Responsible Dog Ownership Day* (Third Saturday in September)
• National Boys and Girls Club Day for Kids* (Third Saturday in September)
• National Care For Kids Day
• National CleanUp Day* (Third Saturday in September)
• National Crime and Intelligence Analyst Appreciation Day
• National Dance Day* (Third Saturday in September)
• National Fried Rice Day
• National Gymnastics Day* (Third Saturday in September):
• National Multivitamin Day* (Third Saturday in September)
• National Pepperoni Pizza Day
• National Punch Day
• National Puppy Mill Awareness Day* (Third Saturday in September)
• National Sew a Jelly Roll Day* (Third Saturday in September)
• National String Cheese Day
• National Queso Day
• Responsible Dog Ownership Day* (Third Saturday in September)
• Usher Syndrome Awareness Day* (Third Saturday in September)
• World Paella Day

September 21

September 21 celebrations highlight themes as varied as chai tea, pecan cookies, and mini golf, while also raising awareness for Alzheimer’s disease, myositis, opioid misuse, and environmental sustainability.

• Escapology Day
• International Day of Peace
• National Cat & Dog Gut Health Awareness Day
• National Chai Day
• National Garage Condo Day
• National New York Day
• National Opioid Awareness Day
• National Pecan Cookie Day
• Telegraph Pole Appreciation Day
• Wife Appreciation Day* (Third Sunday in September)
  💗 Discover all family and relationship-related days here.
• World Alzheimer’s Day
• World Gratitude Day
• World Mini Golf Day
  ⛳️ It’s distinct from National Miniature Golf Day, which is celebrated in May.
• World Myositis Day
• Zero Emissions Day

September 22

Beyond the equinox, September 22 celebrations spotlight ice cream cones, elephants, rhinos, white chocolate, and brown butter, while also honoring business women, centenarians, and hobbits.

• American Business Women’s Day
• Chainmail Day
• Dear Diary Day
• Falls Prevention Awareness Day
• Hobbit Day
  📕 Discover all book-related national days on one page.
• International Day of Radiant Peace
• National Brown Butter Day
• National Centenarian’s Day
• National Elephant Appreciation Day
  🐘 A similar observance, World Elephant Day, is celebrated on August 12th.
• National Family Day* (Fourth Monday in September)
• National Flaunt Your Favorite Beach Towel Day
• National Girls’ Night In Day / National Girls’ Night
• National Ice Cream Cone Day
  🍦 Discover all ice-cream related national days.
• National Legwear Day
• National Online Recovery Day: It complements National Recovery Month by showcasing how technology expands pathways to healing.
• National States and Capitals Day 
• National White Chocolate Day
  🍫 Discover 75+ chocolate related holidays celebrated throughout the year.
• World Car-Free Day
• World Rhino Day

September 23

September 23 highlights themes as diverse as za’atar spices, pot pies, snack sticks, red hair, and apple cider vinegar, while also raising awareness for restless legs syndrome, ovarian cancer, digestive health, and rare neurological conditions.

• Celebrate Bisexuality Day / Bi Visibility Day
• Education Technology Day
• Go With Your Gut Day
• Innergize Day* (Day after the Autumnal Equinox)
• International Day of Sign Languages
• National AFM Day
• National Apple Cider Vinegar Day
• National Baker Day
• National Checkers Day / Dogs in Politics Day
• National Field Marketer’s Day
• National Great American Pot Pie Day
• National Snack Stick Day
• Redhead Appreciation Day
• Teal Talk Day
• Restless Legs Awareness Day
• Za’atar Day

September 24

September 24 also highlights important issues such as women’s fitness, breast cancer awareness, and age diversity in the workplace, while remembering cultural traditions like the Schwenkfelder Thanksgiving.

• Bluebird of Happiness Day
• International Age Diversity Day
• International Day of Birmingham (IDOB) 
• Lash Stylists’ Day
  👁️ This day is separate from National Lash Day, celebrated on February 19.
• National Cherries Jubilee Day
• National Day of Arts in Care Homes
• National Horchata Day
• National Mofongo Day
• National Punctuation Day
• National Women’s Health and Fitness Day* (Last Wednesday in September)
• Schwenkfelder Thanksgiving
• World Dense Breast Day* (Last Wednesday in September)
• World Bollywood Day

September 25

September 25 celebrations highlight a wide spectrum of themes—from quesadillas, lobsters, and comic books to psychotherapy, yoga, and lung health.

• Binge Day
• International Ataxia Awareness Day (IAAD)
• Math Storytelling Day
• National Comic Book Day
• National Cooking Day
• National Daughters Day
  💕 This day is one of the top 5 national days in popularity.
• National Food Service Employee Day
• National Lobster Day
• National One-Hit Wonder Day
• National Open the Magic Day
• National Psychotherapy Day
• National Quesadilla Day
• National Research Administrator Day
• National Roadkill Day
• National Schnauzer Day
• National Tune-Up Day
• National YogaFit Day
• Remember Me Thursday* (Fourth Thursday in September)
• World Dream Day
• World Maritime Day* (Last Thursday in September)
• World Pharmacists Day

September 26

September 26 is one of the busiest dates on the national days calendar, with 28 national and international observances—the highest number of celebrations for a single day all year.

• Better Breakfast Day* (celebrated near the end of Better Breakfast Month)
• European Day of Languages (EDL)
• German Butterbrot Day* (Last Friday in September)
• Hug a Vegetarian Day* (Last Friday in September)
  🥗 Discover all vegetarian national days.
• Human Resource Professional Day
• International Day for the Total Elimination of Nuclear Weapons / Nuclear Weapons Elimination Day
  ➕ A related to the above observance is Petrov Day. It honors Soviet officer Stanislav Petrov, whose calm judgment in 1983 prevented a mistaken nuclear launch during a false missile alarm.
• Love Note Day
• Mesothelioma Awareness Day / Meso Awareness Day
• National BRAVE Day* (Fourth Friday in September)
  👯‍♀️ See the complete list of national days dedicated to women and girls.
• National Chimichanga Day
• National Compliance Officer Day
• National Day of Praise and Worship
• National Doodle Day* (Observed on a Friday in September)
• National Dumpling Day
• National Fortnite Day
• National Gay Men’s HIV/AIDS Awareness Day* (Last Friday in September)
• National Johnny Appleseed Day* (celebrated twice a year on March 11 and September 26)
• National Key Lime Pie Day
• National Law Enforcement Suicide Awareness Day
• National Pancake Day
• National Situational Awareness Day
• Native American Day* (Fourth Friday in September)
• Save the Koala Day* (Last Friday in September)
• Shamu the Whale Day
• Sport Purple for Platelets Day* (Last Friday of every September)
• World’s Biggest Coffee Morning 🇬🇧* (Last Friday in September)
• World Contraception Day

September 27

September 27 is another remarkably full date on the calendar, with 23 national and international observances. The themes range from snacking on corn tortillas, enjoying chocolate milk, and celebrating tourism to promoting self-awareness, world rivers, and environmental health.

• Ancestor Appreciation Day
• Astronomy Day* (celebrated twice a year in Autumn and Spring)
• Family Health and Fitness Day* (Last Saturday in September and last Saturday in June)
• Fish Amnesty Day* (Fourth Saturday in September)
• International Lace Day* (Last Saturday in September)
• Morning Show Hosts Day
• National Alpaca Farm Days* (Last Weekend in September)
• National Bunny Day / International Rabbit Day / World Rabbit Day* (Fourth Saturday in September)
• National Chocolate Milk Day
  🍫 See all 75+ chocolate-related national days on one page.
• National Corned Beef Hash Day
• National Crush a Can Day / National Crush Day
• National Day of Forgiveness
• National Ghost Hunting Day* (Last Saturday in September)
• National Hunting and Fishing Day* (Fourth Saturday in September)
• National No Excuses Day
• National Public Lands Day (NPLD)* (Fourth Saturday in September)
• National Scarf Day
• National Seat Check Saturday* (Third Saturday in September)
• National Self-Awareness Day* (Fourth Saturday in September)
• National Singles Day* (Saturday of the third full week in September)
  📝 Not to be confused with the global Singles Day on November 11 or the U.K.’s National Singles Day on March 11.
• Save Your Photos Day* (Last Saturday in September)
• The World’s Largest Pet Walk* (Last Saturday in September)
• World Tourism Day

September 28

September 28 is marked by 15 national and international observances, with highlights including World Rabies Day, National Sons Day, and International Access to Information Day.

• Ask a Stupid Question Day* (celebrated on September 28, or on the last school day of September if that date falls on a weekend, September 30, 2025)
• Confucius Day
• Gold Star Mother’s and Family Day* (Last Sunday in September)
• International Day for Universal Access to Information / International Right to Know Day
• International Poke Day
• National Drink Beer Day
  🍺 Discover all drinking holidays on one page.
• National Good Neighbor Day
• National North Carolina Day
• National Sons Day: Officially observed on March 4th, this day is also widely celebrated on September 28th. This day is in the top-5 most popular national days.
• National Strawberry Cream Pie Day
• Priesthood Sunday* (Last Sunday in September)
• World Deaf Day* (Last Sunday in September)
• World Rabies Day
• World Rivers Day* (Fourth Sunday in September)

September 29

September 29 is best known for its celebrations of coffee and mocha drinks, giving people everywhere a reason to savor their favorite brews. It also carries a global message with World Heart Day, raising awareness about cardiovascular health, and the International Day of Awareness of Food Loss and Waste, calling for more sustainable choices in how we grow and consume food.

• International Day of Awareness of Food Loss and Waste (IDAFLW)
• Michaelmas Day / International Happy Goose Day
• National Biscotti Day
• National Coffee Day
  ☕️ Explore all 25 coffee-related national days celebrated throughout the year.
• National Mocha Day
• National Silent Movie Day
• National Veterans of Foreign Wars (VFW) Day
• Urban National Wildlife Refuge Day
• World Heart Day

September 30

September 30th is a day packed with 13 national and international observances, each highlighting a unique cause, tradition, or activity. From raising awareness about dog separation anxiety to celebrating language professionals, this date offers a wide range of opportunities to engage in meaningful and fun activities.

• Dog Separation Anxiety Awareness Day
• International Podcast Day
• International Thunderbirds Day
• International Translation Day
• National AI at Work Day
• National Chewing Gum Day
• National Extra Virgin Olive Oil Day
• National Hot Mulled Cider Day
• National Love People Day
• National Mud Pack Day
• National Pet Tricks Day
• National Puppy Mill Survivor Day
• World Stroopwafel Day

National and International Weeks in September 2025

September 2025 includes 40 national and international week-long observances, many highlighting health, safety, appreciation, and education.

Well-known examples include National Assisted Living Week, Suicide Prevention Week, and National Truck Driver Appreciation Week.

Below is the full list of September weekly observances.

September 1–7, 2025

• National Childhood Injury Prevention Week
• National Payroll Week* (Week of Labor Day)

September 7–13, 2025

• National Waffle Week* (First full week in September)
• National Assisted Living Week* (Begins on Grandparents Day, September 7)
• National Suicide Prevention Week* (Week of September 10, World Suicide Prevention Day)
• National Truck Driver Appreciation Week* (Second week in September)
• National Biscuits and Gravy Week* (Second week in September)
• Know Your Numbers Week* (Second week in September)
• Sexual Health Week* (Second week in September)
• National Arts in Education Week* (Begins September 7, second Sunday in September)
• National Compassionate Leadership Week* (Second full week in September)
• National Beauty and Barber Week* (Second full week in September)
• National Folic Acid Awareness Week* (Second full week in September)
• Healthcare Environmental Services Week* (Second full week in September)
• National Nephrology Nurses Week* (Second full week in September)
• Line Dance Week* (September 8–13, Monday through Saturday)

September 14–20, 2025

• Housekeepers Week* (UK 🇬🇧, second full week in September)
• National Eczema Week* (Third week in September)
• Adopt a Less-Adoptable Pet Week* (Third full week in September)
• National Rehabilitation Awareness Week* (Third full week in September)
• National Coding Week* (Starts September 15, third Monday in September)
• National Singles Week* (Third full week in September)
• National Keep Kids Creative Week* (Third full week in September)
• National Security Officer Appreciation Week* (Third week in September)
• National Surgical Technologists Week* (Third week in September)
• National Indoor Plant Week* (Third week in September)
• National Farm Safety and Health Week* (Third week in September)
• National Farm Animals Awareness Week* (Third week in September)
• Child Passenger Safety Week* (Third week in September)
• National Construction Appreciation Week* (Third week in September)

September 21–27, 2025

• Sea Otter Awareness Week* (Last full week in September)
• Migraine Awareness Week* (Dates vary, September 22–28 in 2025)
• National Eye Health Week* (Last week in September)
• World Reflexology Week* (Last week in September)
• Deaf Dog Awareness Week* (Last week in September)
• International Week of the Deaf* (Last full week in September)
• National Fall Foliage Week* (Begins September 28, last Sunday in September)

Floating / Variable Dates in September 2025

• National Chimney Safety Week* (Held the week before Fire Safety Week, usually late September or early October)
• International Week of Happiness at Work* (For 2025 moved to October 6–10)
• National HBCU Week* (Dates change annually in September)
• Orchid Male Cancer Awareness Week* (Dates vary in September)

National and International Months in September 2025

September 2025 includes 60 thematic observances celebrating everything from food and health to pets, education, and culture. Among these, several are especially prominent:

• Hispanic Heritage Month (September 15–October 15), widely honored across the U.S.
• National Suicide Prevention Month, a critical health awareness campaign.
• National Preparedness Month, focused on readiness for emergencies.
• National Chicken Month and National Honey Month, both major highlights in the food & drink category.
• National Yoga Awareness Month, encouraging wellness through yoga practice.
• World Kid Lit Month, highlighting children’s and YA literature translated in English from other languages)

Below are the September national and international months grouped into themed lists for easier browsing.

Food & Drink National Months in September

• Better Breakfast Month
• Bourbon Heritage Month
• National Chicken Month
• National Honey Month
• National Italian Cheese Month
• National Mushroom Month (see also the complete list of mushroom-related national days)
• National Organic Month
• National Papaya Month
• National Potato Month
• National Rice Month
• Organic September
• Sourdough September
• Whole Grains Month

Pets & Animals National Months in September

• Animal Pain Awareness Month
• Happy Cat Month
• National Guide Dog Month
• National Little League Month
• National Pet Insurance Month
• National Service Dog Month
• Pet Sitter Education Month
• Responsible Dog Ownership Month
• Save the Koala Month

Health & Medical Awareness Months in September

• Alopecia Areata Awareness Month
• Baby Safety Month
• Gynecologic Cancer Awareness Month
• Healthy Aging Month
• Liptember
• Migraine and Headache Awareness Month
• National Blood Cancer Awareness Month
• National Childhood Obesity Awareness Month
• National Cholesterol Education Month
• National Disease Literacy Month
• National Food Safety Education Month
• National Neonatal Intensive Care Awareness Month
• National Pain Awareness Month
• National Recovery Month
• National Sickle Cell Awareness Month
• National Spinal Cord Injury Awareness Month
• National Suicide Prevention Month
• National Yoga Awareness Month
• Prostate Health Month
• Pulmonary Fibrosis Awareness Month
• Self-Care Awareness Month
• Self-Improvement Month

Heritage, Education & Civic Life Months in September

• Attendance Awareness Month
• Classical Music Month
• Disaster Preparedness Month
• Hispanic Heritage Month (September 15–October 15)
• International Update Your Resume Month
• National Americana Month
• National Courtesy Month
• National Library Card Sign-Up Month
• National Preparedness Month
• National Square Dance Month

Lifestyle & Hobby Months in September

• Fall Hat Month
• National Coupon Month
• National Mortgage Professional Month
• National Piano Month
• National Sewing Month
• Save Your Photos Month

Before You Go:

We have many more national days lists for you to explore.

• Food-related national days: complete list of national food days, pasta & noodles days, vegan & vegetarian days, celiac & gluten-free days, mushroom days, ice-cream days, pizza days, coffee days, chocolate days, wine days, alcohol & drinking days.
• Non-food national days: National Days Calendar 2025-2026 (check out the printable calendars in my Etsy shop), National Days for Teachers, and a wide array of special lists such as cat days, dog days, animal days, cleaning & organizing days, book days, music days, family & relationships days, national days for women, stationery days and even Harry Potter days.
• Country-specific national days: Australian national days, more coming soon.

🗓️ We’ve been publishing monthly national days calendars since 2020. We update the monthly calendars every year and change the publication dates to reflect the changes.