September 2025 is filled with significant festivals, awareness days, and global observances that highlight culture, health, education, environment, and history. From Onam and Vishwakarma Puja to World Literacy Day, International Day of Peace, and World Heart Day, this month carries special meaning both in India and across the world.
Key Dates in September 2025
September 1–7 – National Nutrition Week
A week dedicated to spreading awareness about healthy food and nutrition for a better lifestyle.
September 2 – World Coconut Day
Marks the foundation of the Asian Pacific Coconut Community and highlights the coconut’s role in poverty reduction.
September 3 – Skyscraper Day
Celebrates the engineering brilliance of tall buildings that shape modern skylines.
September 4 – Eid Milad-un-Nabi
Commemorates the birth of Prophet Muhammad and his teachings of compassion and charity.
September 5 – Teachers’ Day (India) & International Day of Charity
Honours teachers on Dr. Sarvepalli Radhakrishnan’s birth anniversary, while also promoting acts of kindness and donations worldwide.
September 5 – Onam
Kerala’s vibrant festival marked with boat races, floral carpets, feasts, and cultural programs.
September 6 – Ananta Chaturdashi
The concluding day of Ganesh Chaturthi, with idol immersion and sacred rituals.
September 7 – Brazilian Independence Day
Marks Brazil’s independence from Portuguese rule in 1822.
September 8 – International Literacy Day, World Physical Therapy Day & Grandparents’ Day
Highlights the importance of literacy, the role of physiotherapists, and the bond with grandparents.
September 10 – World Suicide Prevention Day
Raises awareness about suicide prevention globally.
September 11 – 9/11 Remembrance Day, National Forest Martyrs Day, World First Aid Day & Digvijay Diwas
Honours victims of terrorism, environmental martyrs, first-aid awareness, and Swami Vivekananda’s 1893 speech in Chicago.
September 13 – International Chocolate Day
A sweet celebration dedicated to chocolate lovers worldwide.
September 14 – Hindi Diwas
Marks the adoption of Hindi as India’s official language in 1949.
September 15 – Engineer’s Day (India) & International Day of Democracy
Celebrates M. Visvesvaraya’s legacy and democratic values.
September 16 – Malaysia Day & World Ozone Day
Remembers Malaysia’s formation (1963) and spreads awareness about protecting the ozone layer.
September 17 – Vishwakarma Puja, World Patient Safety Day & PM Narendra Modi’s Birthday
A day for workers and artisans, healthcare awareness, and the Prime Minister’s birth anniversary.
September 18 – World Bamboo Day
Promotes bamboo as a sustainable resource.
September 19 – International Talk Like a Pirate Day
A fun cultural observance encouraging pirate lingo.
September 20 – International Red Panda Day
Focuses on red panda conservation.
September 21 – International Day of Peace & World Alzheimer’s Day
Advocates for peace and raises awareness about Alzheimer’s disease.
September 22 – Rose Day (Cancer Patients) & World Rhino Day
Spreads hope for cancer patients and awareness of rhino conservation.
September 23 – International Day of Sign Languages
Supports deaf communities and the importance of sign language.
September 25 – World Pharmacists Day & Antyodaya Diwas
Honours pharmacists and marks Pandit Deendayal Upadhyaya’s birth anniversary.
September 26 – European Day of Languages, World Contraception Day & World Environmental Health Day
Encourages language learning, safe contraception practices, and environmental health.
Last week of September – International Week of the Deaf
Highlights the rights and achievements of deaf people worldwide.
September 27 – World Tourism Day & Google’s Anniversary
Celebrates tourism’s role in development and Google’s founding in 1998.
September 28 – World Rabies Day, Durga Puja, World Rivers Day & International Day for Universal Access to Information
Spreads awareness about rabies prevention, celebrates Durga Puja, protects rivers, and promotes the right to information.
September 29 – World Heart Day
Encourages heart health and prevention of cardiovascular diseases.
September 30 – International Translation Day
Honours translators and language professionals who connect cultures globally.