Updated September 2023 Holiday List

Our late summer gift to you—the updated September 2023 holiday list! From International Equal Pay Day (Sept 18th!) to the First Day of Fall (Sept 23rd!), if you need help planning your September 2023 content with holidays, we’ve got them all.

See the complete list of September 2023 Holidays and Observances:

Monthly Holidays and Observances in September 2023:

• Baby Safety Month #BabySafetyMonth
• Blood Cancer Awareness Month #KnowMyeloma
• Classical Music Month #ClassicalMusicMonth
• Food Safety Education Month #FSEM2023
• Gynecologic Cancer Awareness Month #GCAM
• Healthy Aging Month #HealthyAgingMonth
• Hispanic Heritage Month (September 15-October 15) #HispanicHeritageMonth
• Leukemia and Lymphoma Awareness Month #LeukemiaLymphomaAwarenessMonth
• International Update Your Resume Month #UpdateYourResumeMonth
• National Atrial Fibrillation Awareness Month #AFibAwarenessMonth
• National Childhood Cancer Awareness Month #CCAM
• National Childhood Obesity Awareness Month #NCOAM
• National Cholesterol Education Month #CholesterolEducationMonth
• National Courtesy Month #NationalCourtesyMonth
• National Guide Dog Month #GuideDogMonth
• National ITP (Platelet Disorder) Awareness Month #ITPStrongerTogether
• National Pediculosis Prevention Month/Head Lice Prevention Month #HeadLicePreventionMonth 
• National Preparedness Month #PrepareToProtect
• National Recovery Month #RecoveryMonth
• National Self-Care Awareness Month #SelfCareAwarenessMonth
• National Sexual Health Awareness Month #SexualHealthAwarenessMonth
• National Sickle Cell Month #SickleCellMatters
• National Suicide Prevention Month #BeThe1To
• National Yoga Awareness Month #YogaAwarenessMonth
• Newborn Screening Awareness Month #2023NBS
• Ovarian Cancer Awareness Month #OCAM
• Pain Awareness Month #PAM23
• Polycystic Ovary Syndrome Month #PCOSMonth
• Pulmonary Fibrosis Awareness Month #PFMonth #BlueUp4PF
• Prostate Cancer Awareness Month #ProstateCancerAwarenessMonth
• Save Your Photos Month #SaveYourPhotosMonth
• Sepsis Awareness Month #SAM2023
• Thyroid Cancer Awareness Month #ThyroidCancerAwarenessMonth
• Uterine Cancer Awareness Month #UterineCancerAwarenessMonth
• World Alzheimer’s Month #EndAlz

Weekly Holidays and Observances in September 2023:

• National Childhood Injury Prevention Week #ChildhoodInjuryPreventionWeek — September 1-7
• National Suicide Prevention Week #BeThe1To — September 10-16
• National Arts in Education Week #BecauseOfArtsEd — September 10-16
• National Assisted Living Week #NALW — September 10-16
• Bisexual Awareness Week #BiWeek — September 16-23
• Child Passenger Safety Awareness Week #TheRightSeat  — September 17-23
• Falls Prevention Awareness Week #FallsPrevention — September 18-22
• Malnutrition Awareness Week #ASPENMAW23 — September 18-22
• Global ITP Awareness Week #Global4ITP — September 25-29
• Fungal Disease Awareness Week #TalkFungi — September 18-22
• International Week of the Deaf People #IWDP — September 19-25
• National Rehabilitation Awareness Week #PowerOfMedicalRehab — September 18-24
• National Fall Foliage Week #FallFoilageWeek — September 24-30
• Ally Week — September 25-29

Daily Holidays and Observances in September 2023:

September 1: National Food Bank Day #FeedForPoor, National Lazy Mom’s Day #NationalLazyMomsDay, World Letter Writing Day #LetterWritingDay

September 2: World Beard Day #WorldBeardDay

September 4: Labor Day #LaborDay, National Wildlife Day #NationalWildlifeDay, World Sexual Health Day #WorldSexualHealthDay2023 #WSHD2023

September 5: International Day of Charity #InternationalDayOfCharity

September 6: Read a Book Day #ReadABookDay

September 7: International Day of Clean Air for Blue Skies #InternationalDayOfCleanAir

September 8: International Literacy Day #LiteracyDay

September 9: International Day to Protect Education from Attack #InternationalDaytoProtectEducationfromAttack

September 10: Carl Garner Federal Lands Cleanup Day #FederalLandsCleanupDay, National Grandparents Day #NationalGrandparentsDay, World Suicide Prevention Day #SuicidePreventionDay

September 11: National Day of Service and Remembrance or Patriot Day #PatriotsDay, National Make Your Bed Day #MakeYourBedDay

September 12: National Day of Encouragement #DayOfEncouragement

September 13: World Sepsis Day #WorldSepsisDay, National Bald Is Beautiful Day #BaldIsBeautifulDay

September 14: National Live Creative Day #LiveCreativeDay, National Parents Day Off #ParentsDayOff, National Sober Day #NationalSoberDay

September 15: Rosh Hashanah begins #RoshHashanah, Online Learning Day #OnlineLearningDay, International Day of Democracy #DayOfDemocracy, Greenpeace Day #GreenpeaceDay, National Neonatal Nurses Day #NeonatalNursesDay, National POW/MIA Recognition Day #POWMIARecognitionDay, World Lymphoma Awareness Day #LymphomaAwarenessDay

September 16: Boys’ and Girls’ Club Day for Kids #BoysAndGirlsClubDayForKids, National Guacamole Day #NationalGuacamoleDay, International Day for the Preservation of the Ozone Layer #WorldOzoneDay, Mexican Independence Day #MexicanIndependenceDay, National Dance Day #NationalDanceDay, National Gymnastics Day #NationalGymnasticsDay, National Step Family Day #StepFamilyDay, National Working Parents Day #WorkingParentsDay

September 17: National Women’s Friendship Day #WomensFriendshipDay, National CleanUp Day #CleanUpDay, Constitution and Citizenship Day #ConstitutionAndCitizenshipDay, World Patient Safety Day #PatientSafetyDay

September 18: International Equal Pay Day #InternationalEqualPayDay, National Cheeseburger Day #CheeseburgerDay, Air Force Birthday #AirForceBirthday, National HIV/AIDS and Aging Awareness Day #HIVandAging

September 19: Get Ready for Flu Day #GetReadyDay, Woman Road Warrior Day #WomanRoadWarriorDay, International Talk Like a Pirate Day #TalkLikeAPirateDay, Ganesh Chaturthi #GaneshChaturthi

September 20: National Voter Registration Day #VoterRegistrationDay, National Pepperoni Pizza Day #PepperoniPizzaDay

September 21: International Day of Peace #PeaceDay, World Alzheimer’s Day #WorldAlzheimersDay, World Gratitude Day #WorldGratitudeDay

September 22: American Business Women’s Day #AmericanBusinessWomensDay, Car-Free Day #CarFreeDay, Native American Day #NativeAmericanDay, National Ice Cream Cone Day #NiceCreamConeDay, National Elephant Appreciation Day #ElephantAppreciationDay,  Michigan Indian Day #MichiganIndianDay

September 23: First Day of Fall #FirstDayOfFall #FallEquinox, International Day of Sign Languages #IDSL, Celebrate Bisexual Day #CelebrateBisexualityDay #BiVisibilityDay, National Singles Day #SinglesDay, National Seat Check Saturday #TheRightSeat, Redhead Appreciation Day #RedheadAppreciationDay

September 24: Gold Star Mother’s and Family Day #GoldStarsMothersDay, National Punctuation Day #PunctuationDay, National Public Lands Day #NPLD #FindYourPark, National Bunny Day #BunnyDay

September 25: World Lung Day #WorldLungDay, National Cooking Day #CookingDay, National Daughters Day #DaughtersDay, National Comic Book Day #ComicBookDay

September 26: International Day for the Total Elimination of Nuclear Weapons #IDANT, European Day of Languages #EuropeanDayofLanguages, Mesothelioma Awareness Day #MesoAwarenessDay, National Family Day #FamilyDay

September 27: World Tourism Day #WorldTourismDay

September 28: World Maritime Day #WorldMaritimeDay, National Women’s Health and Fitness Day #WomensHealthAndFitnessDay, Good Neighbor Day #GoodNeighborDay, International Day for Universal Access to Information  #IDUAI2023, World Rabies Day #WorldRabiesDay, National Drink Beer Day #DrinkBeerDay

September 29: National Brave Day #BraveDay, National Coffee Day #NationalCoffeeDay, International Day of Awareness of Food Loss and Waste #FLWDay, Sport Purple for Platelets Day #ITPStrongerTogether, World Heart Day #UseHeart

September 30: International Podcast Day #InternationalPodcastDay, International Translation Day #InternationalTranslationDay, National Love People Day #NationalLOVEPeopleDay