September 2026 National Days, Awareness Days & Holidays
Discover all awareness days, national days, weeks, and months happening in September 2026. Browse by date, filter by category, and add events to your content planner.
Key dates and national days in September
- National Coding Week16 Sep
- Fairtrade Fortnight21 Sep
- Macmillan Coffee Morning25 Sep
- World Tourism Day27 Sep
Awareness Months in September 2026
All September 2026 Awareness Days by Date
Plan your September content
Every awareness day and key date for the year in your spreadsheet and calendar with the Awareness Days Toolkit.
Planning content for September? See the key dates on the marketing calendar and the lighter days on the social media holidays list.
Frequently Asked Questions
What national days are in September 2026?
There are 355 national days, awareness days, and observances in September 2026. This includes 278 single-day events, 27 awareness weeks, and 50 awareness months covering health, community, food, education, and more.
What awareness month is September?
September 2026 is home to 50 awareness months and month-long campaigns. Browse the full list above to discover all the causes and observances being marked throughout the month.
What holidays and special days are in September?
September 2026 includes 278 single-day events, 27 awareness weeks, and 50 awareness months. These range from international observances and national days to fun and quirky celebrations.
How many awareness days are in September?
There are 355 total awareness events in September 2026. This includes national days, international observances, awareness weeks, and month-long campaigns. Awareness Days maintains one of the most comprehensive calendars of these events.
What is September known for?
September is known for 355 awareness days and national observances. It is a key month for awareness campaigns, with 50 month-long observances and 27 awareness weeks running alongside 278 individual days.