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Important Days in September 2025
List of important days and dates, special days, national and international days, festivals, and holidays in September 2025.
| Date | Day | Event |
|---|---|---|
| Sep 1 | Mon | National Nutrition Week Starts |
| Sep 4 | Thu | Mawlid Un Nabi Begins |
| Sep 5 | Fri | Onam Begins |
| Sep 5 | Fri | International Day of Charity |
| Sep 5 | Fri | Teachers Day |
| Sep 7 | Sun | Grandparents Day |
| Sep 8 | Mon | International Literacy Day |
| Sep 10 | Wed | World Suicide Prevention Day |
| Sep 12 | Fri | United Nations Day for South-South Cooperation |
| Sep 15 | Mon | International Day of Democracy |
| Sep 16 | Tue | International Day for the Preservation of the Ozone Layer |
| Sep 17 | Wed | Marathwada Liberation Day |
| Sep 21 | Sun | International Peace Day |
| Sep 22 | Mon | Autumn Equinox |
| Sep 23 | Tue | International Day of Sign Languages |
| Sep 24 | Wed | NSS Day |
| Sep 25 | Thu | World Maritime Day |
| Sep 26 | Fri | International Day for the Total Elimination of Nuclear Weapons |
| Sep 27 | Sat | World Tourism Day |
| Sep 28 | Sun | International Day for Universal Access to Information |
| Sep 28 | Sun | National Daughters Day |
| Sep 28 | Sun | World Deaf Day |
| Sep 28 | Sun | World Rabies Day |
| Sep 29 | Mon | Maha Saptami |
| Sep 29 | Mon | World Heart Day |
| Sep 30 | Tue | Maha Saptami Holiday |
| Sep 30 | Tue | International Translation Day |