Important Days in September 2025, National & International Days

Important Days in September 2025 includes a list of national and international days that have specific importance. These important days include days like teachers’ day, international literacy day, World First Aid Day, Hindi Diwas etc. Having knowledge about these important days and dates in September 2025 not only helps improve general awareness but also increases knowledge for competitive exams. In this article, we are going to cover the important days in September 2025 in the areas of education, culture, environment and global causes.

Important Days in September 2025

There are many important days in the month of September 2025. Some of these days include, Teachers’ Day (India), Onam, Ananta Chaturdashi, International Literacy Day, Hindi Diwas, Vishwakarma Puja and various other observances. Here is a list of all the important days in September 2025

Important Days in September 2025 Explained

Here is a detailed explanation of a few important days in September 2025: 

• 1–7 September – National Nutrition Week

• • • Observed annually in India, this week-long event spreads awareness about the importance of proper nutrition and its important role in ensuring better health, immunity, and well-being. Many programmes highlight the link between nutrition and sustainable development.

• 2 September – World Coconut Day

• • • Celebrated to raise awareness of the importance of coconut in livelihood generation, especially in poverty reduction. The day also marks the foundation of the Asian Pacific Coconut Community (APCC), reflecting the crop’s global economic and cultural relevance.

• 5 September – International Day of Charity

• • • Designated by the United Nations, this day emphasises the importance of charity in eradicating poverty in all its forms and dimensions, thereby contributing to the Sustainable Development Goals.

• 5 September – Teachers’ Day 

• • • Observed on the birth anniversary of Dr. Sarvepalli Radhakrishnan, India’s second President, this day honours the selfless contributions of teachers in nurturing students and shaping responsible citizens.

• 5 September – Onam

• • • One of Kerala’s grandest festivals, Onam marks the legendary return of King Mahabali. Celebrated with floral carpets, boat races, cultural events, and feasts (Onasadya), it reflects Kerala’s cultural richness and communal harmony.

• 8 September – International Literacy Day

• • • Established by UNESCO, this day raises awareness about literacy as a fundamental human right and a driver of dignity, equality, and sustainable development.

• 10 September – World Suicide Prevention Day

• • • Organised by the International Association for Suicide Prevention (IASP) and co-sponsored by WHO, this day promotes global awareness to prevent suicide and support mental health.

• 11 September – 9/11 Remembrance Day

• • • Also known as the National Day of Service and Remembrance, it honours the victims of the September 11, 2001 attacks, encouraging acts of service and compassion in their memory.

• 11 September – National Forest Martyrs Day

• • • Commemorates the sacrifice of Amrita Devi and 360 Bishnoi villagers in 1730, who laid down their lives to protect trees in Khejarli, Rajasthan. The day honours their courage and environmental commitment.

• 11 September – World First Aid Day

• • • Observed on the second Saturday of September (11 September in 2025), it raises awareness about the lifesaving importance of first aid, ensuring it becomes a universal life skill.

• 11 September – Digvijay Diwas

• • • Mark Swami Vivekananda’s historic address at the World’s Parliament of Religions in Chicago (1893), where he introduced Indian philosophy and Hinduism to the global stage.

• 14 September – Hindi Diwas

• • • Observed to mark the adoption of Hindi in the Devanagari script as India’s official language in 1949. The day celebrates India’s linguistic and cultural heritage.

• 15 September – Engineer’s Day (India)

• • • Celebrates the legacy of Bharat Ratna M. Visvesvaraya, one of India’s greatest engineers, whose contributions revolutionised engineering and water resource management in the country.

• 15 September – International Day of Democracy

• • • Reinforces that democracy is about people, human rights, and collective decision-making. The day provides an opportunity to reflect on the state of democracy worldwide.

• 16 September – World Ozone Day

• • • Commemorates the signing of the Montreal Protocol (1987), which led to global action to phase out substances depleting the ozone layer. The day reminds humanity of the importance of protecting the ozone shield.

• 18 September – World Bamboo Day

• • • Aims to raise awareness of bamboo as a sustainable resource with environmental and economic benefits worldwide.

• 21 September – International Day of Peace

• • • Declared by the United Nations, this day promotes global non-violence, ceasefire, and peacebuilding, first observed in 1982.

• 21 September – World Alzheimer’s Day

• • • Raises awareness about Alzheimer’s disease and dementia, supporting patients, caregivers, and global efforts in research and treatment.

• 22 September – World Rhino Day

• • • Celebrated to create awareness about the conservation of rhinoceroses, highlighting threats such as poaching and habitat loss.

• 23 September – International Day of Sign Languages

• • • Proclaimed by the UN, this day promotes the preservation of sign languages, supporting the rights and cultural identity of the deaf community.

• 25 September – Antyodaya Diwas

• • • Observed in honour of Pandit Deendayal Upadhyaya’s birth anniversary, the day promotes the principle of ‘Antyodaya’—uplifting the last person in society.

• 26 September – World Environmental Health Day

• • • Declared by the International Federation of Environmental Health, it underscores the importance of environmental health to human well-being.

• 27 September – World Tourism Day

• • • Celebrated globally to highlight the role of tourism in cultural exchange, employment generation, and sustainable development.

• 28 September – International Day for Universal Access to Information (IDUAI)

• • • This UNESCO-led observance promotes the right to seek, share, and receive information, ensuring transparency and accountability.

• 30 September – International Translation Day

• • Recognises the contributions of translators, interpreters, and language professionals in fostering global communication and peace.

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