September 2025 will see several important national and international days being observed. These days focus on education, health, environment, culture, and social awareness. Some of the key observances include Teachers’ Day, International Literacy Day, Engineers’ Day, Hindi Diwas, World Ozone Day, International Day of Peace, and World Tourism Day. Alongside these, there are also many cultural and religious events during the month.
Complete List of Important Days in September 2025
| Date | Important Days & Events |
|---|---|
| 1 September | National Nutrition Week |
| 2 September | World Coconut Day |
| 3 September | Skyscraper Day |
| 4 September | Eid Milad-Un-Nabi |
| 5 September | International Day of Charity; Teachers’ Day (India); Onam |
| 6 September | Ananta Chaturdashi |
| 7 September | Brazilian Independence Day |
| 8 September | International Literacy Day; World Physical Therapy Day; Grandparents’ Day |
| 10 September | World Suicide Prevention Day (WSPD) |
| 11 September | 9/11 Remembrance Day; National Forest Martyrs Day; World First Aid Day; Digvijay Diwas |
| 13 September | International Chocolate Day |
| 14 September | Hindi Diwas |
| 15 September | Engineers’ Day (India); International Day of Democracy |
| 16 September | Malaysia Day; World Ozone Day |
| 17 September | Vishwakarma Puja; World Patient Safety Day; PM Narendra Modi’s Birthday |
| 18 September | World Bamboo Day |
| 19 September | International Talk Like a Pirate Day |
| 20 September (Third Saturday) | International Red Panda Day |
| 21 September | International Day of Peace (UN); World Alzheimer’s Day |
| 22 September | Rose Day (Welfare of Cancer Patients); Navratri; World Rhino Day |
| 23 September | International Day of Sign Languages |
| 25 September | World Pharmacists Day; Antyodaya Diwas |
| 26 September | European Day of Languages; World Contraception Day; World Environmental Health Day; Day of the Deaf / International Week of the Deaf ends |
| 27 September | World Tourism Day; Google Anniversary |
| 28 September | World Rabies Day; Durga Puja; World Rivers Day (Fourth Sunday); International Day for Universal Access to Information (IDUAI) |
| 29 September | World Heart Day |
| 30 September | International Translation Day |
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