USA awareness days and key dates
Awareness days, weeks and months, with bank holidays and the big commercial dates. Pick a country and the types you need, then subscribe in your own calendar.
Running all month
- Childhood Cancer Awareness Month 1 to 30 September 2023
- Healthy Aging Month 1 to 30 September 2023
- Hunger Action Month 1 to 30 September 2023
- National Preparedness Month 1 to 30 September 2023
- National Recovery Month 1 to 30 September 2023
- Prostate Cancer Awareness Month 1 to 30 September 2023
- Suicide Prevention Awareness Month 1 to 30 September 2023
- World Alzheimer's Month 1 to 30 September 2023
- National Hispanic Heritage Month 15 September to 15 October 2023
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Friday 1 September 2023
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National Park Week
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.
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National Park Week
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Saturday 2 September 2023
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International Vulture Awareness Day
Held on the first Saturday of September to raise awareness of vultures, their role in nature and the threats they face.
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International Vulture Awareness Day
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Monday 4 September 2023
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Labor Day
A US federal holiday on the first Monday in September, honouring working people.
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Labor Day
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Tuesday 5 September 2023
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International Day of Charity
The International Day of Charity on 5 September encourages people and organisations to help others through volunteering and giving.
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International Day of the World's Indigenous Women and Girls
On 5 September the UN highlights the leadership, contributions and challenges of Indigenous women and girls around the world.
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International Day of Charity
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Thursday 7 September 2023
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International Day of Clean Air for blue skies
The International Day of Clean Air for blue skies on 7 September calls for faster action to cut air pollution for health and climate.
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International Day of Police Cooperation
The International Day of Police Cooperation on 7 September highlights the value of international cooperation between police forces.
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World Duchenne Awareness Day
World Duchenne Awareness Day on 7 September raises awareness of Duchenne muscular dystrophy and the needs of people with rare diseases.
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International Day of Clean Air for blue skies
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Friday 8 September 2023
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International Literacy Day
International Literacy Day on 8 September highlights literacy as a human right and the millions of people who still cannot read and write.
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World Physiotherapy Day
A global day on 8 September highlighting how physiotherapists help people stay active and independent.
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International Literacy Day
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Saturday 9 September 2023
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International Day to Protect Education from Attack
On 9 September the UN calls for schools, students and teachers to be protected from attack during conflict.
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International Day to Protect Education from Attack
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Sunday 10 September 2023
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National Grandparents Day
National Grandparents Day falls on the first Sunday after Labor Day in September, celebrating grandparents and the role they play in family life.
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World Suicide Prevention Day
A global day on 10 September that raises awareness that suicide can be prevented and encourages action to reduce it.
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National Grandparents Day
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Monday 11 September 2023
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Patriot Day and National Day of Service and Remembrance
Patriot Day on 11 September remembers the people killed in the 2001 terrorist attacks, and is also a national day of service.
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Patriot Day and National Day of Service and Remembrance
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Tuesday 12 September 2023
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United Nations Day for South-South Cooperation
On 12 September the UN celebrates cooperation and the sharing of solutions between developing countries of the Global South.
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United Nations Day for South-South Cooperation
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Wednesday 13 September 2023
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World Sepsis Day
A global day on 13 September that raises awareness of sepsis, how to prevent it and the need for early treatment.
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World Sepsis Day
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Friday 15 September 2023
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International Day of Democracy
The International Day of Democracy on 15 September is a chance to review the state of democracy around the world.
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World Lymphoma Awareness Day
A global day on 15 September that raises awareness of lymphoma symptoms, diagnosis and life with the disease.
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International Day of Democracy
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Saturday 16 September 2023
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International Day for Interventional Cardiology
The International Day for Interventional Cardiology on 16 September raises awareness of heart disease and treatments such as angioplasty.
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International Day for the Preservation of the Ozone Layer
On 16 September the UN celebrates efforts to protect the ozone layer, which shields the Earth from harmful solar radiation.
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International Day of Science, Technology and Innovation for the South
On 16 September the UN promotes science and innovation in developing countries and calls for fairer access to technology.
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International Red Panda Day
Held on the third Saturday of September to celebrate red pandas and raise support for protecting them in the wild.
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International Day for Interventional Cardiology
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Sunday 17 September 2023
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Constitution Day and Citizenship Day
Constitution Day and Citizenship Day on 17 September marks the signing of the US Constitution in 1787 and honours people who have become citizens.
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Constitution Week
Constitution Week runs from 17 to 23 September in the US, encouraging people to learn about the Constitution and its history.
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World Patient Safety Day
World Patient Safety Day on 17 September promotes action to make health care safer for patients everywhere.
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Constitution Day and Citizenship Day
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Monday 18 September 2023
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International Equal Pay Day
International Equal Pay Day on 18 September calls for equal pay for work of equal value.
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National Farm Safety and Health Week
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.
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National HIV/AIDS and Aging Awareness Day
Marked on 18 September, this US day focuses on HIV prevention, testing and care for older adults.
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International Equal Pay Day
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Wednesday 20 September 2023
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World Cleanup Day
World Cleanup Day on 20 September encourages communities everywhere to clean up litter and manage waste sustainably.
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World Cleanup Day
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Thursday 21 September 2023
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International Day of Peace
The International Day of Peace on 21 September promotes peace as a human right and calls for a day of non-violence and ceasefire.
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World Alzheimer's Day
A global awareness day for Alzheimer's disease and other dementias, held on 21 September each year.
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International Day of Peace
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Friday 22 September 2023
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World Rhino Day
Held on 22 September, World Rhino Day celebrates all five rhino species and supports efforts to protect them.
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World Rhino Day
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Saturday 23 September 2023
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Bi Visibility Day
A day on 23 September celebrating bisexual people and challenging bi erasure.
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International Day of Sign Languages
The International Day of Sign Languages on 23 September promotes the recognition of sign languages and the rights of deaf people.
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National Public Lands Day
National Public Lands Day falls on the fourth Saturday in September, inviting volunteers to care for parks, forests and other US public lands.
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Bi Visibility Day
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Sunday 24 September 2023
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Gold Star Mother's and Family's Day
Held on the last Sunday in September, this US day honours the mothers and families of service members who died in military service.
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World Gorilla Day
Held on 24 September, World Gorilla Day celebrates gorillas and encourages action to protect them in the wild.
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World Rivers Day
Held on the fourth Sunday of September, World Rivers Day celebrates rivers and encourages people to help protect and restore them.
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Gold Star Mother's and Family's Day
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Monday 25 September 2023
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World Lung Day
A global day on 25 September that promotes lung health and action on air pollution, smoking and access to care.
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World Pharmacists Day
A global day on 25 September recognising the role of pharmacists in health care.
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World Lung Day
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Tuesday 26 September 2023
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International Day for the Total Elimination of Nuclear Weapons
On 26 September the UN raises awareness of the threat nuclear weapons pose and calls for a world free of them.
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World Contraception Day
A global day on 26 September that promotes awareness of contraception and informed choices about sexual health.
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World Environmental Health Day
Held on 26 September to highlight the work of environmental health professionals in protecting communities from health hazards.
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International Day for the Total Elimination of Nuclear Weapons
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Wednesday 27 September 2023
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World Tourism Day
World Tourism Day on 27 September highlights the role of tourism in jobs, culture and sustainable development.
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World Tourism Day
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Thursday 28 September 2023
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International Day for Universal Access to Information
On 28 September the UN promotes everyone's right to seek, receive and share information.
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World Rabies Day
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.
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International Day for Universal Access to Information
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Friday 29 September 2023
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International Day of Awareness of Food Loss and Waste
On 29 September the UN encourages action to reduce the food lost on farms and in supply chains and wasted in shops and homes.
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World Heart Day
A global day on 29 September that raises awareness of heart disease and stroke and how to prevent them.
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International Day of Awareness of Food Loss and Waste
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Saturday 30 September 2023
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International Translation Day
International Translation Day on 30 September pays tribute to translators, interpreters and other language professionals.
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International Translation Day

