September is an important month that hosts several national and international observances. It creates awareness about significant social, cultural, and global issues. The List of Important Days in September 2025 includes events that highlight themes related to education, health, environment, peace, and heritage. These days are observed worldwide to spread awareness, inspire action, and honour contributions in various fields. Some notable days in September include Teachers’ Day (September 5), celebrated in India to honour the dedication of educators; World Literacy Day (September 8), which promotes the importance of education and literacy; and World Ozone Day (September 16), focusing on environmental protection. These observances serve as reminders of our collective responsibilities toward society and the planet. Students, professionals, and aspirants preparing for competitive exams often refer to the list of important days for general awareness and current affairs. This page contains a complete list of important days in September 2025 with the theme in English, Tamil, and Hindi. For any queries, kindly visit the FAQs listed below.

List of Important Days in August 2025

List Of Important Dates And Days In September 2025: National And International

Aspirants must check the list of important dates and days in September 2025 with the national and international dates listed in the table below. Candidates can download this article from the link given below. 

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List of Important Days in September 2025

Here, candidates can check the important days in September 2025.

List of Important Days in September 2025 in Hindi

Here we have come up with a list of important days in September 2025 in Hindi. The preparing candidates must check the list of important days in September 2025 in Hindi.

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List of Important Days in September 2025 in Tamil

For the convenience of candidates, here we are providing the list of important days in September 2025 in Tamil. The preparing aspirants can check the list of important days that we provided here.

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Important Days In September 2025 National And International

Check out the list of important days in September 2025 national and international, that we provided here. 

National Nutrition Week 2025 - 1 to 7 September

List of Important Days in September 2025 National: National Nutrition Week (NNW) is celebrated from 1 to 7 September every year. This week is observed by the Food and Nutrition Board under the Ministry of Women and Child Development, Government of India. The main aim of National Nutrition Week is to spread awareness about the importance of healthy living and healthy food. In 2018, the Government of India launched a scheme called POSHAN Abhiyan to educate people about a healthy life.

World Coconut Day 2025 - 2 September 

List of Important Days in September 2025 International: First World Coconut Day was observed on September 2, 2009. This day commemorates the formation of the Asian Pacific Coconut Community (APCC). World Coconut Day 2025 is to spread awareness about the usage of coconut in daily life.

Skyscraper Day 2025 - 3 September

List of Important Days in September 2025 National: Skyscraper Day is observed every year on 3 September. This day is observed annually on the birth anniversary of Louis H. Sullivan. He is known as the father of skyscrapers. This day is to commemorate the importance of high-rise buildings.

Teachers’ Day 2025 - 5 September

List of Important Days in September 2025 National: Teachers’ Day is observed annually on 5 September. Since 1962, Teachers' Day has been observed to mark the birth anniversary of the former president, scholar, and Bharat Ratna Awardee Dr. Sarvepalli Radhakrishnan.

International Day of Charity 2025 - 5 September

List of Important Days in September 2025 International: International Day of Charity is observed on 5 September to commemorate the death anniversary of Mother Teresa. She received the Nobel Peace Prize in 1979. She dedicated her life to helping poor people and charity.

Brazilian Independence Day 2025 - 7 September

List of Important Days in September 2025 National: Brazilian Independence Day is also known as Sete de Setembro. Brazilian Independence Day was observed on 7 September.  A declaration of independence from Portugal was made on 7th September 1822 by Pedro di Alcântara, son of the Portuguese king.

World Literacy Day 2025 - 8 September

List of Important Days in September 2025 International: World Literacy Day is observed on 8 September every year. This day is observed to know the importance of literacy to the people. World Literacy Day was proclaimed by UNESCO in 1966.

World Physical Therapy Day 2025 - September 8

List of Important Days in September 2025 International: Every year World Physical Therapy Day is observed on 8 September. This day is observed to appreciate the efforts of physiotherapists who contribute their lives for a healthy world.

World Suicide Prevention Day 2025 - September 10

List of Important Days in September 2025 International: September 10 is observed as the world suicide prevention day every year. This day was observed by the International Association for suicide prevention (IASP). This day is promoted to prevent suicide activities around the world.

National Forest Martyrs Day 2025 - September 11

List of Important Days in September 2025 National: September 11 is observed as the 16th National Forest Martyrs Day to pay tribute to the people who sacrificed their lives to protect wildlife, jungles, forests, etc. across India.

Hindi Diwas 2025 - September 14

List of Important Days in September 2025 National: On September 14, 1949 Constitution Assembly adopted Hindi as the official language of India. From that day, every year September 14 has been observed as Hindi Diwas day. Hindi is observed as the most spoken language in India.

Engineer’s Day in India 2025 - September 15

List of Important Days in September 2025 National: Engineer’s Day is celebrated on 15 September every year. This day commemorates the birth anniversary of Bharat Ratna Awardee sir M Vishweshvaraya. Since 1968, this day has been observed to recognize the importance of Engineers for the development of society.

International Day of Democracy 2025 - September 15

List of Important Days in September 2025 International: The United Nations General Assembly (UNGA) observed September 15 as the International Day of democracy in 2007. The main aim of this day is to promote democracy appropriately.

World Ozone Day 2025 - September 16

List of Important Days in September 2025 International: World Ozone Day or International Day for the Prevention of the Ozone Layer is observed on 16 September every year. The ozone layer protects life by absorbing the UV rays from the sun. This day is observed to raise awareness among the people about the depletion of the ozone layer.

World Patient Safety Day 2025 - September 17

List of Important Days in September 2025 International: World Patient Safety Day 2025 is observed to raise awareness of patient safety and urge people to improve their commitment to people's health and care.

World Bamboo Day 2025 - September 18

List of Important Days in September 2025 International: Every year, September 18 is observed as World Bamboo Day. Bamboo is an everyday usage material and it is a type of wood. This day is observed to raise awareness about the importance of bamboo.

International Talk Like a Pirate Day 2025 - September 19 

List of Important Days in September 2025 International: This unique day came to life after two friends started giving pep talks to each other during a game. If you’ve ever wanted to be the “Ruler of the Seas” or be a fearsome pirate like Davy Jones.

International Red Panda Day 2025 - September 20

List of Important Days in September 2025 International: International Red Panda Day is observed on the third Saturday of September every year. This year, this day falls on 20 September. This day was first launched by the Red Panda Network in 2010. This day is to spread awareness about the other species that are near extinction.

Alzheimer’s Day 2025 - September 21

List of Important Days in September 2025 International: World Alzheimer’s Day is observed on 21 September every year. This day is to raise awareness about Alzheimer's disease, risk factors, etc. The Alzheimer’s disease campaign was launched in 2012 to spread awareness.

International Day of Peace 2025 - September 21

List of Important Days in September 2025 International: International Day of Peace is observed annually on 21 September. International Day of Peace is also known as World Peace Day. United Nations General Assembly (UNGA) has declared this day to strengthen the peace.

World Rose Day 2025 (Welfare of Cancer patients) - September 22

List of Important Days in September 2025 International: World Rose Day is observed annually on 22 September. This day is to cheer people who have been affected by cancer. This day is in the memory of 12-year-old girl Melinda Rose, who was affected by blood cancer.

International Day of Sign Languages 2025 - September 23

List of Important Days in September 2025 International: International Day of Sign Language Day was declared by the United Nations General Assembly (UNGA) on 23 September. This day is to raise awareness about the importance of sign languages for people who are deaf.

World Pharmacists Day 2025 - September 25

List of Important Days in September 2025 International: 25 September is observed as World Pharmacists Day every year. This day was created by the International Pharmaceutical Federation (IPF) Council at the World Congress of Pharmacy in Turkey in 2009.

Antyodaya Diwas 2025 - September 25 

List of Important Days in September 2025 National: This day marks the birth anniversary of Pandit Deendayal Upadhyaya, and it is observed on 25 September every year. In 2014, Narendra Modi dedicated his honour to the late Pandit Deendayal Upadhyaya to mark his birth anniversary.

World River Day 2025 - September 28

List of Important Days in September 2025 International: World River Day is observed on the fourth Sunday of September every year. This year, World River Day is observed on 28 September. This day is to raise awareness about the importance of rivers. The first event of World River Day was observed in 2005.

World Contraception Day 2025 - September 26

List of Important Days in September 2025 International: This day is observed every year on 26 September. World Contraception Day was first observed in 2007 by several International family planning organisations to enable young couples to make informed choices about their reproductive health.

World Environmental Health Day 2025 - September 26

List of Important Days in September 2025 International: The International Federation of Environmental Health (IFEH) declared to celebrate World Environmental Health Day on 26 September every year. This day is observed to improve environmental health.

World Day of the Deaf 2025 - September 26

List of Important Days in September 2025 International: World Day of the Deaf is observed on the last day of the International Week of the Deaf. This day aims to draw the attention of the people and raise awareness about the importance of sign languages for deaf people.

World Tourism Day 2025 - September 27

List of Important Days in September 2025 International: Since 1980, World Tourism Day has been observed on 27 September. The main aim of this day is to raise awareness about the importance of tourism and how it affects cultural and social activities around the world.

World Rabies Day 2025 - September 28

List of Important Days in September 2025 International: World Rabies Day is observed on 28 September every year. The first global health observance was started in 2007 to raise awareness about rabies. September 28 marks the anniversary of Louis Pasteur, who developed the rabies vaccine.

World Maritime Day 2025 - September 28

List of Important Days in September 2025 International: World Maritime Day is observed on the last Thursday of September every year. This year, World Maritime Day is observed on 28 September. The theme of World Maritime Day 2025 is "MARPOL at 50 – Our commitment goes on". World Maritime Day was observed by the International Maritime Organisation (IMO).

World Heart Day 2025 - September 29

List of Important Days in September 2025 International: World Heart Day is observed on 29 September every year to raise awareness of cardiovascular disease. The main aim of this day is to spread awareness that heart disease is the main cause of death, and the need to take action for prevention and control.

International Day of Awareness of Food Loss and Waste 2025 - September 29

List of Important Days in September 2025 International: The International Day of Awareness of Food Loss and Waste is observed on 29 September. This day was observed by the Food and Agriculture Organisation. This day is an opportunity to cut food loss and waste and to raise awareness about the importance of food.

International Translation Day 2025 - September 30

List of Important Days in September 2025 International: International Translation Day was observed on 30 September. This day is celebrated in memory of St Jerome, the bible translator. The main aim is to encourage the translation profession and honour translators. 

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FAQs

Q. Which day is World Heart Day observed?

World Heart Day is observed every year on 29 September.

Q. What is the theme of Teachers’ Day 2025?

The theme of Teachers’ Day 2025 will be updated soon.

Q: When is World Coconut Day 2025 observed?

World Coconut Day is observed on 2nd September 2025.