September 2026 Marketing Calendar
Angela Venoya 
Looking for inspiration for your September content 2026?
As summer draws to a close and routines start to settle back into place, it's the perfect opportunity to refocus, reset your goals, and plan ahead for the final quarter of the year.
Whether you're returning from a summer break, preparing for a busy season, or simply looking for fresh content ideas, September offers plenty of opportunities to engage your audience and spark meaningful conversations.
It's also Self-Improvement Month, making it an excellent time to share your expertise, celebrate progress, and encourage growth, both for yourself and your clients.
With that in mind, we've gathered a range of dates, events, and awareness days to help inspire your marketing this month. Use them across your social media, blogs, emails, and promotions to keep your content timely, relevant, and engaging.
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Specific Dates for Marketing in September are:
- 1st – Back to School season (lots of different start dates)
- 1st - Self-Improvement Month
- 1st – Organic September Month
- 4th – World Sexual Health Day
- 4th - Food Bank Day
- 5th – International Day of Charity
- 6th – Read a Book Day
- 7th to 11th - Zero Waste Week
- 8th - International Literacy Day
- 8th - Star Trek Day (60th Anniversary)
- 9th - International Sudoku Day
- 9th - Emergency Services Day
- 10th – Swap Ideas Day (#SwapIdeasDay)
- 10th - World Suicide Prevention Day
- 13th - Positive Thinking Day
- 14th - World Atopic Eczema Day
- 14th - 20th - National Inclusion Week
- 15th – World Afro Day
- 16th - 100 days until Christmas (Get your Xmas campaigns planned!)
- 18th - International Equal Pay Day
- 21st – World Alzheimer’s Day
- 21st – World Gratitude Day
- 21st – International Day of Peace
- 21st - 4th Oct - Fairtrade Fortnight
- 23rd - International Day of Sign Languages
- 23rd - Bi-Visibility Day
- 25th - World’s Biggest Coffee Morning
- 26th - European Day of Languages
- 26th - International Rabbit Day
- 27th - World Tourism 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
This September Calendar overview offers a snapshot of the 37 key moments in September to help you get started.
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