USA awareness days and key dates

Wednesday 1 September 2027

• National Park Week

  Awareness28 August to 5 September 2027

  National Park Week celebrates America's national parks with events and a fee-free entry day; in 2026 it ran from 22 to 30 August.

Saturday 4 September 2027

• International Vulture Awareness Day

  Awareness

  Held on the first Saturday of September to raise awareness of vultures, their role in nature and the threats they face.

Sunday 5 September 2027

• International Day of Charity

  Awareness

  The International Day of Charity on 5 September encourages people and organisations to help others through volunteering and giving.

• International Day of the World's Indigenous Women and Girls

  Awareness

  On 5 September the UN highlights the leadership, contributions and challenges of Indigenous women and girls around the world.

• National Suicide Prevention Week

  Awareness5 to 11 September 2027

  National Suicide Prevention Week takes place in the US in early September, in the week that includes World Suicide Prevention Day on 10 September.

Monday 6 September 2027

• Labor Day

  Public holidays

  A US federal holiday on the first Monday in September, honouring working people.

Tuesday 7 September 2027

• International Day of Clean Air for blue skies

  Awareness

  The International Day of Clean Air for blue skies on 7 September calls for faster action to cut air pollution for health and climate.

• International Day of Police Cooperation

  Awareness

  The International Day of Police Cooperation on 7 September highlights the value of international cooperation between police forces.

• World Duchenne Awareness Day

  Awareness

  World Duchenne Awareness Day on 7 September raises awareness of Duchenne muscular dystrophy and the needs of people with rare diseases.

Wednesday 8 September 2027

• International Literacy Day

  Awareness

  International Literacy Day on 8 September highlights literacy as a human right and the millions of people who still cannot read and write.

• World Physiotherapy Day

  Awareness

  A global day on 8 September highlighting how physiotherapists help people stay active and independent.

Thursday 9 September 2027

• International Day to Protect Education from Attack

  Awareness

  On 9 September the UN calls for schools, students and teachers to be protected from attack during conflict.

Friday 10 September 2027

• World Suicide Prevention Day

  Awareness

  A global day on 10 September that raises awareness that suicide can be prevented and encourages action to reduce it.

Saturday 11 September 2027

• Patriot Day and National Day of Service and Remembrance

  Religious and cultural

  Patriot Day on 11 September remembers the people killed in the 2001 terrorist attacks, and is also a national day of service.

Sunday 12 September 2027

• National Grandparents Day

  Awareness

  National Grandparents Day falls on the first Sunday after Labor Day in September, celebrating grandparents and the role they play in family life.

• United Nations Day for South-South Cooperation

  Awareness

  On 12 September the UN celebrates cooperation and the sharing of solutions between developing countries of the Global South.

Monday 13 September 2027

• World Sepsis Day

  Awareness

  A global day on 13 September that raises awareness of sepsis, how to prevent it and the need for early treatment.

Wednesday 15 September 2027

• International Day of Democracy

  Awareness

  The International Day of Democracy on 15 September is a chance to review the state of democracy around the world.

• Mid-Autumn Festival

  Religious and cultural

  The Mid-Autumn Festival, on the 15th day of the eighth lunar month, celebrates the harvest moon with mooncakes and lanterns.

• World Lymphoma Awareness Day

  Awareness

  A global day on 15 September that raises awareness of lymphoma symptoms, diagnosis and life with the disease.

Thursday 16 September 2027

• International Day for Interventional Cardiology

  Awareness

  The International Day for Interventional Cardiology on 16 September raises awareness of heart disease and treatments such as angioplasty.

• International Day for the Preservation of the Ozone Layer

  Awareness

  On 16 September the UN celebrates efforts to protect the ozone layer, which shields the Earth from harmful solar radiation.

• International Day of Science, Technology and Innovation for the South

  Awareness

  On 16 September the UN promotes science and innovation in developing countries and calls for fairer access to technology.

Friday 17 September 2027

• Constitution Day and Citizenship Day

  Religious and cultural

  Constitution Day and Citizenship Day on 17 September marks the signing of the US Constitution in 1787 and honours people who have become citizens.

• Constitution Week

  Religious and cultural17 to 23 September 2027

  Constitution Week runs from 17 to 23 September in the US, encouraging people to learn about the Constitution and its history.

• World Patient Safety Day

  Awareness

  World Patient Safety Day on 17 September promotes action to make health care safer for patients everywhere.

Saturday 18 September 2027

• International Equal Pay Day

  Awareness

  International Equal Pay Day on 18 September calls for equal pay for work of equal value.

• International Red Panda Day

  Awareness

  Held on the third Saturday of September to celebrate red pandas and raise support for protecting them in the wild.

• National HIV/AIDS and Aging Awareness Day

  Awareness

  Marked on 18 September, this US day focuses on HIV prevention, testing and care for older adults.

Sunday 19 September 2027

• Child Passenger Safety Week

  Awareness19 to 25 September 2027

  A US road safety week each September that helps parents and carers choose and fit the right car seat, ending with National Seat Check Saturday.

Monday 20 September 2027

• National Farm Safety and Health Week

  Awareness20 to 24 September 2027

  A US safety week in the third week of September that promotes safe working on farms, from machinery and rural roads to health and wellbeing.

• World Cleanup Day

  Awareness

  World Cleanup Day on 20 September encourages communities everywhere to clean up litter and manage waste sustainably.

Tuesday 21 September 2027

• International Day of Peace

  Awareness

  The International Day of Peace on 21 September promotes peace as a human right and calls for a day of non-violence and ceasefire.

• World Alzheimer's Day

  Awareness

  A global awareness day for Alzheimer's disease and other dementias, held on 21 September each year.

Wednesday 22 September 2027

• World Rhino Day

  Awareness

  Held on 22 September, World Rhino Day celebrates all five rhino species and supports efforts to protect them.

Thursday 23 September 2027

• Bi Visibility Day

  Awareness

  A day on 23 September celebrating bisexual people and challenging bi erasure.

• International Day of Sign Languages

  Awareness

  The International Day of Sign Languages on 23 September promotes the recognition of sign languages and the rights of deaf people.

Friday 24 September 2027

• World Gorilla Day

  Awareness

  Held on 24 September, World Gorilla Day celebrates gorillas and encourages action to protect them in the wild.

Saturday 25 September 2027

• National Public Lands Day

  Awareness

  National Public Lands Day falls on the fourth Saturday in September, inviting volunteers to care for parks, forests and other US public lands.

• World Lung Day

  Awareness

  A global day on 25 September that promotes lung health and action on air pollution, smoking and access to care.

• World Pharmacists Day

  Awareness

  A global day on 25 September recognising the role of pharmacists in health care.

Sunday 26 September 2027

• Gold Star Mother's and Family's Day

  Religious and cultural

  Held on the last Sunday in September, this US day honours the mothers and families of service members who died in military service.

• International Day for the Total Elimination of Nuclear Weapons

  Awareness

  On 26 September the UN raises awareness of the threat nuclear weapons pose and calls for a world free of them.

• World Contraception Day

  Awareness

  A global day on 26 September that promotes awareness of contraception and informed choices about sexual health.

• World Environmental Health Day

  Awareness

  Held on 26 September to highlight the work of environmental health professionals in protecting communities from health hazards.

• World Rivers Day

  Awareness

  Held on the fourth Sunday of September, World Rivers Day celebrates rivers and encourages people to help protect and restore them.

Monday 27 September 2027

• World Tourism Day

  Awareness

  World Tourism Day on 27 September highlights the role of tourism in jobs, culture and sustainable development.

Tuesday 28 September 2027

• International Day for Universal Access to Information

  Awareness

  On 28 September the UN promotes everyone's right to seek, receive and share information.

• World Rabies Day

  Awareness

  Marked on 28 September, World Rabies Day raises awareness of rabies prevention, including dog vaccination, and supports the goal of ending human deaths from the disease.

Wednesday 29 September 2027

• International Day of Awareness of Food Loss and Waste

  Awareness

  On 29 September the UN encourages action to reduce the food lost on farms and in supply chains and wasted in shops and homes.

• World Heart Day

  Awareness

  A global day on 29 September that raises awareness of heart disease and stroke and how to prevent them.

Thursday 30 September 2027

• International Translation Day

  Awareness

  International Translation Day on 30 September pays tribute to translators, interpreters and other language professionals.

• Navratri

  Religious and cultural30 September to 8 October 2027

  Navratri is a nine-night Hindu festival in autumn honouring the goddess Durga, famous for Garba and Dandiya dancing.

• World Maritime Day

  Awareness

  World Maritime Day, held in late September, celebrates shipping and the seafarers who carry more than 80 per cent of world trade.