The month of September is incredibly rich with holidays and observations. In fact, there are 245 holidays, 15 national weeks, and 29 national months to be celebrated in September 2023!

This year, the day that really takes the cake in September is the 16th, boasting a whopping 19 unique holidays! Surprising, right? Especially when you consider that we only showcase the holidays that really pop and leave out the ones that don’t garner much attention. That’s quite a list!

So buckle up and get ready to learn what the world is celebrating this September!

In this guide, you’ll discover:

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 July 1st, 2023.

RankHoliday NameHashtag# Uses
1National Daughters Day#NationalDaughtersDay1,493,644
2National Coffee Day#NationalCoffeeDay740,458
3National Sons Day#NationalSonsDay718,951
4Batman Day#BatmanDay407,756
5National Dance Day#NationalDanceDay293,427
6Grandparents Day#GrandparentsDay268,945
7World Suicide Prevention Day#WorldSuicidePreventionDay232,155
8World Tourism Day#WorldTourismDay178,341
9World Heart Day#WorldHeartDay164,539
10National Pancake Day#NationalPancakeDay119,370
Top 10 National Days in August Ranked by Instagram Hashtag Popularity

National Days & Observances in September 2023

September 1

  • American Chess Day #AmericanChessDay
  • Cherry Popover Day #Cherry Popover Day
  • Ginger Cat Appreciation Day #GingerCatAppreciationDay #GingerCatAppreciation #gingercatappreciationday🐱
  • National Acne Positivity Day #NationalAcnePositivityDay
  • National Chianti Day #NationalChiantiDay
  • National College Colors Day #NationalCollegeColorsDay
  • National Food Bank Day #NationalFoodBankDay
  • National Lazy Mom’s Day #NationalLazyMomsDay
  • National Tofu Day #NationalTofuDay
  • World Letter Writing Day #WorldLetterWritingDay

September 2

  • International Bacon Day #InternationalBaconDay #internationalbaconday🥓
  • National Blueberry Popsicle Day #NationalBlueberryPopsicleDay
  • National Hummingbird Day #National Hummingbird Day
  • World Beard Day #WorldBeardDay #WorldBeardDay2023
  • World Coconut Day #WorldCoconutDay #WorldCoconutDay2023

September 3

  • National Doodle Day #NationalDoodleDay
  • National Tailgating Day #NationalTailgatingDay 
  • Pet Rock Day #PetRockDay
  • Skyscraper Day #SkyscraperDay

September 4

  • Eat an Extra Dessert Day #EatAnExtraDessertDay
  • National Macadamia Nut Day #NationalMacadamiaNutDay
  • National Wildlife Day (also celebrated on February 22nd) #NationalWildlifeDay
  • World Sexual Health Day #WorldSexualHealthDay

September 5

  • International Day of Charity #InternationalDayOfCharity #InternationalDayOfCharity2023
  • National Be Late for Something Day #NationalBeLateForSomethingDay
  • National Cellulite Day #NationalCelluliteDay
  • National Cheese Pizza Day #NationalCheesePizzaDay
  • Telephone Tuesday #TelephoneTuesday
  • World Samosa Day #WorldSamosaDay

September 6

  • Fight Procrastination Day #FightProcrastinationDay
  • Great Egg Toss Day #GreatEggTossDay
  • National Coffee Ice Cream Day #NationalCoffeeIceCreamDay
  • National Read a Book Day #NationalReadABookDay #nationalreadabookday📚

September 7

  • Buy a Book Day #BuyABookDay
  • International Day of Clean Air #InternationalDayOfCleanAir
  • National Acorn Squash Day #NationalAcornSquashDay
  • National Beer Lovers Day #NationalBeerLoversDay
  • National Feel the Love Day #NationalFeelTheLoveDay
  • National Grateful Patient Day #NationalGratefulPatientDay
  • National Salami Day #NationalSalamiDay
  • Superhuman Day #SuperhumanDay

September 8

  • International Literacy Day #InternationalLiteracyDay
  • National Actors’ Day #ActorsDay
  • National Ampersand Day #NationalAmpersandDay
  • National Dog Walker Appreciation Day #NationalDogWalkerAppreciationDay
  • National Iguana Awareness Day #NationalIguanaAwarenessDay
  • National Video Game Day (a similar National Video Games Day is also celebrated 12th of September) #NationalVideoGameDay
  • Pardon Day #PardonDay
  • Stand Up To Cancer Day #StandUpToCancerDay
  • Star Trek Day #StarTrekDay
  • World Literacy Day #WorldLiteracyDay
  • World Physical Therapy Day #WorldPhysicalTherapyDay

September 9

  • Emergency Services Day a.k.a. 999 Day #EmergencyServicesDay #999Day
  • International Box Wine Day #InternationalBoxWineDay
  • International Sudoku Day #InternationalSudokuDay
  • National Wiener Schnitzel Day #NationalWienerSchnitzelDay
  • Steak Au Poivre Day #SteakAuPoivreDay
  • National Teddy Bear Day #NationalTeddyBearDay #TeddyBearDay
  • Wonderful Weirdos Day #WonderfulWeirdosDay

September 10

  • Grandparents Day #GrandparentsDay #GrandparentsDay2023
  • Hug Your Hound Day #HugYourHoundDay
  • National Pet Memorial Day #NationalPetMemorialDay #nationalpetmemorialday🌈❤️🐾🐾
  • National TV Dinner Day #NationalTVDinnerDay
  • National Swap Ideas Day #NationalSwapIdeasDay #SwapIdeasDay
  • White Balloon Day (Australia) #WhiteBalloonDay
  • World Suicide Prevention Day #WorldSuicidePreventionDay

September 11

  • Patriot Day a.k.a 9/11 Day #PatriotDay #patriotday🇺🇸
  • National Hot Cross Bun Day #NationalHotCrossBunDay
  • National Make Your Bed Day #NationalMakeYourBedDay

September 12

  • National Ants on a Log Day #NationalAntsOnALogDay
  • National Chocolate Milkshake Day #NationalChocolateMilkshakeDay
  • National Day of Encouragement #NationalDayOfEncouragement
  • National Police Woman Day #NationalPoliceWomanDay
  • National Report Medicare Fraud Day #NationalReportMedicareFraudDay
  • National Video Games Day #NationalVideoGamesDay

September 13

  • International Chocolate Day (World Chocolate Day, a similar celebration, is observed in June) #InternationalChocolateDay
  • National Bald is Beautiful Day #NationalBaldIsBeautifulDay
  • National Hug Your Boss Day #NationalHugYourBossDay
  • National Kids Take Over the Kitchen Day #NationalKidsTakeOverTheKitchenDay
  • National Peanut Day #NationalPeanutDay
  • Pet Birth Defect Awareness Day #PetBirthDefectAwarenessDay
  • Positive Thinking Day #PositiveThinkingDay
  • Programmers Day #ProgrammersDay
  • Supernatural Day #SupernaturalDay

September 14

  • Are You Okay Day #AreYouOkayDay
  • Gobstopper Day #GobstopperDay
  • National Coloring Day #NationalColoringDay
  • National Cream Filled Donut Day #NationalCreamFilledDonutDay
  • National Eat A Hoagie Day #NationalEatAHoagieDay
  • National Food Is Medicine Day #NationalFoodIsMedicineDay
  • National Live Creative Day #NationalLiveCreativeDay
  • National School Picture Day #NationalSchoolPictureDay
  • National Sober Day #NationalSoberDay

September 15

  • Butterscotch Cinnamon Pie Day #ButterscotchCinnamonPieDay
  • International Day of Democracy #InternationalDayOfDemocracy
  • International Dot Day #InternationalDotDay
  • Make a Hat Day #MakeAHatDay
  • National Cheese Toast Day #NationalCheeseToastDay
  • National Creme de Menthe Day #NationalCremeDeMentheDay
  • National Double Cheeseburger Day #NationalDoubleCheeseburgerDay
  • National Linguine Day #NationalLinguineDay
  • National Online Learning Day #NationalOnlineLearningDay
  • National Tradesmen Day #NationalTradesmenDay
  • World Afro Day #WorldAfroDay

September 16

  • Batman Day #BatmanDay #BatmanDay2023
  • Collect Rocks Day #CollectRocksDay
  • International Coastal Cleanup Day #InternationalCoastalCleanupDay
  • International Eat An Apple Day #InternationalEatAnAppleDay
  • National Choose Your Chocolate Day #NationalChooseYourChocolateDay
  • National Cinnamon Raisin Bread Day #NationalCinnamonRaisinBreadDay
  • National Cleanup Day #NationalCleanupDay
  • National Dance Day #NationalDanceDay #NationalDanceDay2023
  • National Guacamole Day #NationalGuacamoleDay
  • National Gymnastics Day #NationalGymnasticsDay
  • National Play-Doh Day #NationalPlayDohDay
  • National Sew a Jelly Roll Day #NationalSewAJellyRollDay
  • National Stepfamily Day #NationalStepfamilyDay
  • National Tattoo Story Day #NationalTattooStoryDay
  • Puppy Mill Awareness Day #PuppyMillAwarenessDay
  • Responsible Dog Ownership Day #ResponsibleDogOwnershipDay
  • Working Parents Day #WorkingParentsDay
  • World Barber Day #WorldBarberDay
  • World Ozone Day #WorldOzoneDay

September 17

  • International Country Music Day #InternationalCountryMusicDay
  • International Grenache Day #InternationalGrenacheDay
  • National Apple Dumpling Day #NationalAppleDumplingDay
  • National Monte Cristo Day #NationalMonteCristoDay
  • National Pet Bird Day #NationalPetBirdDay
  • Wife Appreciation Day #WifeAppreciationDay
  • World Patient Safety Day #WorldPatientSafetyDay #WorldPatientSafetyDay2023

September 18

  • International Equal Pay Day #InternationalEqualPayDay
  • International Red Panda Day #InternationalRedPandaDay #InternationalRedPandaDay2023
  • National Cheeseburger Day #NationalCheeseburgerDay #nationalcheeseburgerday🍔
  • National First Love Day #NationalFirstLoveDay
  • National Respect Day #NationalRespectDay
  • Purple Bra Day #PurpleBraDay
  • Read An eBook Day #ReadAnEBookDay
  • Respect for the Aged Day #RespectForTheAgedDay
  • Rice Krispies Treats Day #RiceKrispiesTreatsDay
  • World Water Monitoring Day #WorldWaterMonitoringDay

September 19

  • International Talk Like a Pirate Day #TalkLikeAPirateDay
  • National Butterscotch Pudding Day #NationalButterscotchPuddingDay
  • National IT Professionals Day #NationalITProfessionalsDay

September 20

  • International NFT Day #InternationalNFTDay
  • National Fried Rice Day #NationalFriedRiceDay
  • National Pepperoni Pizza Day #NationalPepperoniPizzaDay
  • National Punch Day #NationalPunchDay
  • National String Cheese Day #NationalStringCheeseDay
  • National Queso Day #NationalQuesoDay

September 21

  • International Day of Peace #InternationalDayOfPeace
  • National Chai Day #NationalChaiDay
  • National Pawpaw Day #NationalPawpawDay
  • National Pecan Cookie Day #NationalPecanCookieDay
  • World Gratitude Day #WorldGratitudeDay
  • World Mini Golf Day a.k.a. Miniature Golf Day #WorldMiniGolfDay #MiniatureGolfDay

September 22

  • American Business Women’s Day #AmericanBusinessWomensDay
  • Car-free Sunday #CarFreeSunday
  • Dear Diary Day #DearDiaryDay
  • Hobbit Day #HobbitDay
  • Hug A Vegetarian Day or Hug a Vegan Day #HugAVegetarianDay #HugAVeganDay
  • National Brave Day #NationalBraveDay
  • National Centenarian’s Day #NationalCentenariansDay
  • National Elephant Appreciation Day #NationalElephantAppreciationDay
  • National Fitness Day (UK) #NationalFitnessDay
  • National Girls’ Night In Day a.k.a. National Girls’ Night #NationalGirlsNightInDay #NationalGirlsNigh
  • National Ice Cream Cone Day #NationalIceCreamConeDay
  • National Legwear Day #NationalLegwearDay
  • National Singles Day #NationalSinglesDay
  • National White Chocolate Day #NationalWhiteChocolateDay
  • Native American Day #NativeAmericanDay
  • World Car-Free Day #WorldCarFreeDay
  • World Rhino Day #WorldRhinoDay #WorldRhinoDay2023

September 23

  • Autumnal / Fall Equinox (Equinox calendar 2023) #FallEquinox
  • Celebrate Bisexuality Day a.k.a. Bi Visibility Day, Bisexual Pride Day, Bi Visibility Day, CBD, Bisexual Pride and Bi Visibility Day, and Bisexuality+ Day #CelebrateBisexualityDay #BiVisibilityDay
  • First Day of Autumn #FirstDayOfAutumn
  • International Day of Sign Languages #InternationalDayOfSignLanguages
  • International Rabbit Day #InternationalRabbitDay
  • National Apple Cider Vinegar Day #NationalAppleCiderVinegarDay
  • National Baker Day #NationalBakerDay
  • National Bunny Day #NationalBunnyDay
  • National Great American Pot Pie Day #NationalGreatAmericanPotPieDay
  • National Hunting and Fishing Day #NationalHuntingAndFishingDay 4th Saturday
  • National Snack Stick Day #NationalSnackStickDay
  • Redhead Appreciation Day #RedheadAppreciationDay
  • Seed Gathering Season (from September 23 to October 23) #SeedGatheringSeason
  • September Equinox a.k.a. The September Equinox (Equinoxes & Solstices 2023) #SeptemberEquinox #TheSeptemberEquinox

September 24

  • Innergize Day #InnergizeDay
  • Lash Stylists’ Day #LashStylistsDay
  • National Cherries Jubilee Day #NationalCherriesJubileeDay
  • National Horchata Day #NationalHorchataDay
  • National Mofongo Day #NationalMofongoDay
  • National Punctuation Day #NationalPunctuationDay
  • World Rivers Day #WorldRiversDay

September 25

  • Binge Day #BingeDay
  • National Comic Book Day #NationalComicBookDay
  • National Cooking Day #NationalCookingDay
  • National Daughters Day #NationalDaughtersDay #NationalDaughtersDay2023 #nationaldaughtersday❤️ #nationaldaughtersday💕
  • National Lobster Day #NationalLobsterDay
  • National One-Hit Wonder Day a.k.a. One-Hit Wonder Day #OneHitWonderDay #NationalOneHitWonderDay
  • National Psychotherapy Day #NationalPsychotherapyDay
  • National Quesadilla Day a.k.a. Dia de la Quesadilla #NationalQuesadillaDay
  • National Tune-Up Day #NationalTuneUpDay
  • World Dream Day #WorldDreamDay
  • World Pharmacists Day #WorldPharmacistsDay

September 26

  • Alpaca Day #AlpacaDay
  • Johnny Appleseed Day (also observed on March 11th) #JohnnyAppleseedDay
  • Love Note Day #LoveNoteDay
  • National Better Breakfast Day #BetterBreakfastDay
  • National Chimichanga Day #NationalChimichangaDay
  • National Dumpling Day #NationalDumplingDay
  • National Key Lime Pie Day #NationalKeyLimePieDay
  • National Pancake Day #NationalPancakeDay
  • World Contraception Day #WorldContraceptionDay

September 27

  • National Chocolate Milk Day #NationalChocolateMilkDay
  • National Corned Beef Hash Day #NationalCornedBeefHashDay
  • National Crush a Can Day a.k.a. National Crush Day #NationalCrushACanDay #NationalCrushDay
  • National Scarf Day #NationalScarfDay
  • National Women’s Health And Fitness Day #NationalWomensHealthAndFitnessDay
  • World Tourism Day #WorldTourismDay #WorldTourismDay2023

September 28

  • Ask a Stupid Question Day #AskAStupidQuestionDay
  • National Drink Beer Day #NationalDrinkBeerDay #NationalDrinkBeerDay2023 #nationaldrinkbeerday🍺🍻
  • National Good Neighbor Day a.k.a. National Neighbor Day #NationalNeighborDay #NationalGoodNeighborDay
  • National Strawberry Cream Pie Day #NationalStrawberryCreamPieDay
  • National Sons Day is officially observed on March 4th. However, it’s also widely celebrated on September 28th. #NationalSonsDay #NationalSonsDay2023 #nationalsonsday💙 nationalsonsday💙💙
  • Remember Me Thursday #SeeTheLight #RememberMeThursday

September 29

  • German Sandwich Day #GermanSandwichDay #GermanButterbrotDay
  • National Biscotti Day #NationalBiscottiDay
  • National Coffee Day #NationalCoffeeDay #NationalCoffeeDay2023 #nationalcoffeeday☕️
  • National Mocha Day #NationalMochaDay
  • National Starbucks Day #NationalStarbucksDay
  • Save The Koala Day #SaveTheKoalaDay
  • World Heart Day #WorldHeartDay #worldheartday❤️
  • World’s Biggest Coffee Morning (UK) #WorldsBiggestCoffeeMorning #WorldsBiggestCoffeeMorning2023

September 30

  • Extra Virgin Olive Oil Day #ExtraVirginOliveOilDay
  • International Lace Day (a similar holiday called National Lace Day is celebrated in October) #InternationalLaceDay
  • International Podcast Day #InternationalPodcastDay #InternationalPodcastDay2023
  • International Translation Day #InternationalTranslationDay
  • National Chewing Gum Day #NationalChewingGumDay #ChewingGumDay
  • National Ghost Hunting Day #NationalGhostHuntingDay
  • National Hot Mulled Cider Day #NationalHotMulledCiderDay
  • National Love People Day #NationalLovePeopleDay
  • National Mud Pack Day #NationalMudPackDay
  • Pet Tricks Day #PetTricksDay
  • Save Your Photos Day #SaveYourPhotosDay
  • World’s Largest Pet Walk #WorldsLargestPetWalk

National Weeks in September 2023

  • September 3-9, 2023: National Waffle Week
  • September 3-9, 2023: Housekeepers Week
  • September 4-10, 2023: Know Your Numbers Week #KnowYourNumbersWeek
  • September 4-13, 2023: Migraine Awareness Week #MigraineAwarenessWeek
  • September 10-16, 2023: National Assisted Living Week #NationalAssistedLivingWeek
  • September 10-16, 2023: Nephrology Nurses Week #NephrologyNursesWeek
  • September 10-16, 2023: Suicide Prevention Week #SuicidePreventionWeek
  • September 11-17, 2023: Sexual Health Week #SexualHealthWeek
  • September 13-19, 2023: National Eczema Week #NationalEczemaWeek
  • September 19-25, 2023: National Coding Week #NationalCodingWeek
  • September 18-24, 2023: Adopt a Less-Adoptable Pet Week #AdoptALessAdoptablePetWeek
  • September 18-24, 2023: National Eye Health Week #NationalEyeHealthWeek
  • September 18-24, 2023: World Reflexology Week #WorldReflexologyWeek
  • September 24 – 30, 2023: Sea Otter Awareness Week #SeaOtterAwarenessWeek
  • September 25-29, 2023: International Week of Happiness at Work #InternationalWeekOfHappinessAtWork

National Months in September 2023

In our curated list of National Months for September 2023, we’ve included 29 items, focusing specifically on those most popular on social media. For each month of September, we’ve also highlighted at least one popular hashtag for you to use in your posts.

Food & Drink

  • Better Breakfast Month #BetterBreakfastMonth
  • Bourbon Heritage Month #BourbonHeritageMonth
  • National Chicken Month #NationalChickenMonth
  • National Honey Month #NationalHoneyMonth
  • National Organic Month #NationalOrganicMonth
  • National Papaya Month #NationalPapayaMonth
  • Organic September #OrganicSeptember #OrganicSeptember2023

Fun & Lifestyle

  • National Sewing Month #NationalSewingMonth #nationalsewingmonthchallenge
  • Save Your Photos Month #SaveYourPhotosMonth #SaveYourPhotosMonth2023
  • Self Improvement Month #SelfImprovementMonth #selfimprovementmonthcontinues

Pets & Animals

  • Animal Pain Awareness Month #AnimalPainAwarenessMonth
  • Happy Cat Month #HappyCatMonth
  • National Guide Dog Month #NationalGuideDogMonth
  • National Pet Insurance Month #National Pet Insurance Month
  • National Service Dog Month #NationalServiceDogMonth
  • Pet Sitter Education Month #PetSitterEducationMonth
  • Responsible Dog Ownership Month #ResponsibleDogOwnershipMonth #ResponsibleDogOwnership
  • Save the Koala Month #SavetheKoalaMonth

Health & Wellbeing

  • Baby Safety Month #BabySafetyMonth
  • Healthy Aging Month #HealthyAgingMonth
  • Liptember #Liptember #Liptember2023 #liptembertogether #liptemberselfie #liptemberforreal
  • National Childhood Obesity Awareness Month #NationalChildhoodObesityAwarenessMonth
  • National Cholesterol Education Month #NationalCholesterolEducationMonth
  • National Food Safety Education Month #NationalFoodSafetyEducationMonth
  • National Recovery Month #NationalRecoveryMonth #nationalrecoverymonthchallenge
  • National Yoga Awareness Month #NationalYogaAwarenessMonth
  • Pain Awareness Month #PainAwarenessMonth

Other

  • Attendance Awareness Month #AttendanceAwarenessMonth
  • Classical Music Month #ClassicalMusicMonth
  • Disaster Preparedness Month #DisasterPreparednessMonth #DisasterPreparedness

Food & Drink Holidays in September 2023

There are 87 food and drink holidays in September 2023. Quite amazing, isn’t it?

Some of the biggest food holidays in September are National Coffee Day (September 29), National Pancake Day (September 26) and National Guacamole Day (September 16). There are five chocolate-related holidays in September, too.

  • September 1: Cherry Popover Day
  • September 1: National Chianti Day
  • September 1: National Food Bank Day
  • September 1: National Tofu Day
  • September 2: International Bacon Day
  • September 2: International Turkey Vulture Day
  • September 2: National Blueberry Popsicle Day
  • September 2: World Coconut Day 
  • September 3: National Welsh Rarebit Day
  • September 4: Eat An Extra Dessert Day
  • September 4: National Macadamia Nut Day
  • September 5: National Cheese Pizza Day
  • September 6: Great Egg Toss Day
  • September 6: National Coffee Ice Cream Day
  • September 7: National Acorn Squash Day
  • September 7: National Beer Lovers Day
  • September 7: National Salami Day
  • September 9: International Box Wine Day
  • September 9: National Wiener Schnitzel Day
  • September 9: Steak Au Poivre Day
  • September 10: National TV Dinner Day
  • September 11: National Hot Cross Bun Day
  • September 12: National Ants on a Log Day
  • September 12: National Chocolate Milkshake Day
  • September 13: International Chocolate Day (not to confuse with Worlds Chocolate Day taking place in June)
  • September 13: National Kids Take Over The Kitchen Day
  • September 13: National Peanut Day
  • September 14: Gobstopper Day
  • September 14: National Cream Filled Donut Day
  • September 14: National Eat a Hoagie Day
  • September 14: National Food Is Medicine Day
  • September 15: Butterscotch Cinnamon Pie Day
  • September 15: National Cheese Toast Day
  • September 15: National Crème de Menthe Day
  • September 15: National Double Cheeseburger Day
  • September 15: National Linguine Day
  • September 16: International Eat An Apple Day
  • September 16: National Choose Your Chocolate Day
  • September 16: National Cinnamon Raisin Bread Day
  • September 16: National Guacamole Day
  • September 17: International Grenache Day
  • September 17: National Apple Dumpling Day
  • September 17: National Monte Cristo Day
  • September 18: National Cheeseburger Day
  • September 18: Rice Krispies Treats Day
  • September 19: National Butterscotch Pudding Day
  • September 20: National Fried Rice Day
  • September 20: National Pepperoni Pizza Day
  • September 20: National Punch Day
  • September 20: National String Cheese Day
  • September 20: National Queso Day
  • September 21: National Chai Day
  • September 21: National Pawpaw Day
  • September 21: National Pecan Cookie Day
  • September 22: Hug A Vegetarian Day or Hug a Vegan
  • September 22: National Ice Cream Cone Day
  • September 22: National White Chocolate Day
  • September 23: National Apple Cider Vinegar Day
  • September 23: National Baker Day
  • September 23: National Great American Pot Pie Day
  • September 23: National Snack Stick Day
  • September 24: National Cherries Jubilee Day
  • September 24: National Horchata Day
  • September 24: National Mofongo Day
  • September 25: National Cooking Day
  • September 25: National Lobster Day
  • September 25: National Quesadilla Day (Dia de la Quesadilla)
  • September 26: National Better Breakfast Day
  • September 26: National Chimichanga Day
  • September 26: National Dumpling Day
  • September 26: National Key Lime Pie Day
  • September 26: National Pancake Day
  • September 27: National Chocolate Milk Day
  • September 27: National Corned Beef Hash Day
  • September 28: International Poke Day
  • September 28: National Drink Beer Day
  • September 28: National Strawberry Cream Pie Day
  • September 29: German Butterbrot Day
  • September 29: National Biscotti Day
  • September 29: National Coffee Day
  • September 29: National Mocha Day
  • September 29: National Starbucks Day
  • September 29: World’s Biggest Coffee Morning (UK)
  • September 30: Extra Virgin Olive Oil Day
  • September 30: National Chewing Gum Day
  • September 30: National Hot Mulled Cider Day

Animal & Pet Holidays in September 2023

  • September 1: Ginger Cat Appreciation Day
  • September 2: National Hummingbird Day
  • September 4: National Wildlife Day
  • September 8: National Dog Walker Appreciation Day
  • September 8: National Iguana Awareness Day
  • September 10: National Hug Your Hound Day
  • September 10: National Pet Memorial Day
  • September 13: Pet Birth Defect Awareness Day
  • September 16: Puppy Mill Awareness Day
  • September 16: Responsible Dog Ownership Day
  • September 17: National Pet Bird Day
  • September 18: International Red Panda Day
  • September 22: National Elephant Appreciation Day
  • September 22: World Rhino Day
  • September 23: International Rabbit Day
  • September 23: National Bunny Day
  • September 26: Alpaca Day
  • September 28: Remember Me Thursday
  • September 28: Save The Koala Day
  • September 30: Pet Tricks Day
  • September 30: World’s Largest Pet Walk

These were all the National Days, National Weeks, and National Months for September 2023. I hope you find this comprehensive list useful. If you think I might have missed an important holiday, please let me know in the comments. Your feedback is always appreciated.

Before you head off:

Interested in exploring more fun holidays? Swing by our central social media holidays page to delve into other months.

Categorized in:

Holidays,

Last Update: September 8, 2023