September 2025 Holidays & Celebrations for the Classroom Calendar
Looking for engaging ways to celebrate September in the classroom? September is packed with meaningful holidays and celebration days perfect for lesson planning and classroom activities and our September 2025 calendar of holidays and celebration days for the classroom will help you find the perfect days to invite engaged learning with your students.
From honoring cultural diversity and historical milestones to exploring creativity and the natural world, September offers a wide range of opportunities to create fun, educational, and inclusive learning experiences your students will love.
See instructions at the bottom of this post to have the printable Special Days calendar for 2025 complete with activity links delivered directly to your inbox.
September 2025 Calendar of Holidays & Celebrations for the Classroom
Read on for the list of September holidays and celebrations with supporting educationally relevant activities and resources.
September 1: World Letter Writing Day • International Primate Day
September 4: Heath and Physical Education Day (Australia): Have fun with our Group Games for PE
September 5: International Day of Charity
September 7: Father’s Day (Australia): Check out our collection of Father’s Day Resources • Threatened Species Day
September 8: International Literacy Day: Celebrate literacy with our list of 30 Kids Writing Prompts and Verbal Literacy Games
September 11: R U OK? Day: Check in with friends with a round of The Game of Feelings
September 13: World First Aid Day • Roald Dahl’s Birthday: Learn more about Roald Dahl with this video from Bedtime Stories
September 15: International Dot Day: Get dotty by making Dot Sticker Drawings • International Day of Democracy: Learn more about the history of democracy with Behind the News
September 16: Play Doh Day: Check out our Playdough Ideas collection for playdough activities and DIY recipes
September 17: International Microorganism Day
September 19: Talk Like A Pirate Day: Argh! We’ll have you talking like a pirate with this collection of Pirate Books & Activities
September 20: World Clean Up Day • International Eat an Apple Day: This Simple Apple Slice Recipe is most popular recipe and great for cooking with kids
September 21: International Day of Peace: Enjoy I Am Peace, A Book of Mindfulness by Susan Verde, shared by Storytime Now!
September 22: Dear Diary Day: Inspire your tweens and teens to write about themselves with the 25 Best Journals for 8-15 Year Olds • World Rhino Day
September 23: Rosh Hashanah (Jewish) • International Day of Sign Languages: Share the experience of using sign language to communicate with Kids Meet a Deaf Person by HiHo Kids
September 24: World Gorilla Day • Punctuation Day
September 25: World Dream Day • World Maritime Day: Learn more about how giant ships float with SciShow Kids
September 27: International Rabbit Day • International Astronomy Day: Explore the stars and beyond with our Best Kids Space Picture Books
September 29: Michaelmas (Christian)
September 30: World Stroopwafel Day
Seasonal Learning Activities
Fall activities for those in the northern hemisphere:
Spring activities for those in the southern hemisphere:
RELATED: Looking for holidays to celebrate with students in other months of 2025? Check out our lists for January | February | March | April | May | June | July | August | September | October | November | December
Print the September Holidays & Celebrations Calendar
Whether you’re planning classroom activities, theme-based lessons, or community outreach projects, September’s calendar features days that celebrate culture, creativity, history, nature, and diversity. Fill in the form below to have the entire Special Days calendar for 2025 complete with activity links delivered directly to your inbox.
2025 Special Days Calendar
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