September 2025 Marketing Calendar

September often feels like a fresh start, with children heading back to school - almost like the real New Year for many of the businesses we speak to.

To help you get organised, here’s a list of key dates and occasions this month that you can use to shape your marketing calendar.

Hello September written on a piece of paper, with orange flowers surrounding it

  • 1st – Back to School Day (lots of different start dates)
  • 1st to 7th - Zero Waste Week
  • 4th- National Wildlife Day
  • 5th – International Day of Charity
  • 5th - Food Bank Day
  • 6th – Read a Book Day
  • 8th - International Literacy Day
  • 8th to 14th - Sexual Health Week
  • 8th - Star Trek Day
  • 9th - International Sudoku Day
  • 9th - Emergency Services Day
  • 10th – Swap Ideas Day (#SwapIdeasDay)
  • 10th - World Suicide Prevention Day
  • 12th – National Day of Encouragement
  • 13th - Positive Thinking Day
  • 14th - World Atopic Eczema Day
  • 15th – World Afro Day
  • 15th – Online Learning Day (U.S)
  • 15th to 21st - National Inclusion Week
  • 16th to 23rd - Bisexual Awareness Week
  • 16th - 100 days until Christmas (Get your Xmas campaigns planned!)
  • 18th - International Equal Pay Day
  • 18th - Read an Ebook Day
  • 21st – World Alzheimer’s Day
  • 21st – World Gratitude Day
  • 21st – International Day of Peace
  • 22nd to 5th October - Fairtrade Fortnight
  • 23rd - International Day of Sign Languages
  • 23rd - Bi-Visibility Day
  • 26th- European Day of Languages
  • 26th - World’s Biggest Coffee Morning
  • 27th - World Tourism Day
  • 27th - International Rabbit Day
  • 28th- International Day for Universal Access to Information
  • 29th – Michaelmas Day
  • 29th- International Day of Awareness of Food Loss & Waste
  • 30th - International Podcast Day
  • 30th – Love People Day
  • 30th- International Translation Day
  • 30th – Rumi Day


September Marketing Calendar

If you enjoy reading these Marketing Calendars each month, you might be pleased to know that there are a few ways we can support your business at Six Figure Niche.

We know running a business is hectic, and marketing planning often takes a back seat. Our Marketing Checklist helps you assess the current touchpoints you’re using and discover new ones, while our ROI Calculator shows the value of your marketing investments.

No need to worry—we’re here to support you every step of the way and help you grow your business in the year ahead.


Need help with your Marketing Strategy?

We have our Six Figure Niche book, where we’ll provide you with a marketing framework that outlines step-by-step strategies for building a successful six-figure business. Order now!

Why not listen to our Scale Up Your Marketing and Sales Podcast where we'll share useful tips and tricks to take your marketing & sales to the next level.

If you’re ready to take the next step and grow with more clarity, structure, and the backing of a like-minded community, the SFN 12-Month Programme is here to guide you.

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