September brings with it a mix of festive spirit, global awareness days, and trending opportunities to engage your audience. A well-planned social media calendar helps brands, creators, and businesses stay consistent, relevant, and creative. Here’s your September 2025 Social Media Calendar with key dates, themes, and content ideas to make the most of the month.
1st September: National Nutrition Week, Labor Day
2nd September: World Coconut Day
4th September: National Wildlife Day
5th September: Onam, Teacher’s Day, World Samosa Day
7th September: Grandparent’s Day
8th September: International Literacy Day
9th September: International Sudoku Day, National Teddy Bear Day
10th September: International Makeup Day
13th September: International Chocolate Day, National Peanut Day
14th September: Hindi Diwas
15th September: Engineer’s Day, International Day Of Democracy
17th September: Vishwakarma Puja
18th September: International Equal Pay Day
21st September: World Gratitude Day, National Chai Day, Wife Appreciation Day
22nd September: Navratri, World Rose Day
23rd September: International Day Of Sign Languages
24th September: World Bollywood Day
27th September: National Singles Day, World Tourism Day
28th September: Durga Puja, World Rivers Day, National Daughters Day
29th September: World Heart Day
30th September: International Podcast Day
Keep watching our space for more such updates!
