Day Guide for Monday September 1st 2025 What are the holidays on September 1st 2025?

This is our day guide for Monday September 1st 2025 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Holidays on September 1st 2025

International: Labor Day

This holiday is most commonly associated with a commemoration of the achievements of the labor movement

Bermuda: Labour Day

A day of recognition for the generations of hard-working Bermudians who have contributed to the Island's prosperity

Canada: Labour Day

The origins of Labour day in Canada can be traced back to a printer's revolt over working hours in 1872 in Toronto

Eritrea: Eritrea Revolution Day

Marks the start of the armed struggle for independence with the Battle of Adal in 1961.

Guyana: Public Holiday

This day has been declared as a public holiday to allow citizens to participate in the general elections.

Iran: Martyrdom of Imam Hassan Asgari

Imam Hassan Asgari was the 11th Imam of Twelver Shia Islam and was poisoned in 874 AD.

Kazakhstan: Constitution Day (in lieu)

One of the most important holidays in Kazakhstan, it marks the adoption of the second post-soviet constitution

Regional

Malaysia (regional): National Day (in lieu)

31st August marks Malaysia's Independence Day. Also known as Merdeka Day

Not a Public Holiday

Slovakia: Constitution Day

The constitution of independent Slovakia was adopted in Bratislava in 1992

Trinidad and Tobago: Independence Day (in lieu)

Commemorates the independence of Trinidad and Tobago from the United Kingdom in 1962

Uzbekistan: Independence Day

Uzbekistan's National Day commemorates independence from the Soviet Union on 1 September 1991.

Vietnam: National Day Holiday

Vietnam declares its independence, forming the Democratic Republic of Vietnam

Observances on September 1st 2025

USA: Labor Day

This holiday is most commonly associated with a commemoration of the achievements of the labor movement

Canada: Alberta Day

Find out the dates, history and traditions of Alberta Day

USA: National No Rhyme (Nor Reason) Day

Find out the dates, history and traditions of National No Rhyme (Nor Reason) Day

USA: Hunger Action Month

Find out the dates, history and background to Hunger Action Month

United Kingdom: Urology Awareness Month

Organised by The Urology Foundation, this month aims to raise awareness of urological disease as well as raise money to can fund vital research and training into these diseases.

USA: Happy Cat Month

Better a happy cat than a grumpy cat, who'd want to see pictures of that?

USA: Whole Grains Month

Don't go against the grain this September and celebrate the important wheat harvest.

Australia: National Wattle Day

Since 1992 National Wattle Day has been 1 September in all of Australia's States and Territories.

Russia: Knowledge Day

The traditional end of summer and the first day of the new school term in Russia.

International: Ginger Cat Appreciation Day

A day to celebrate the flame-haired feline in your life!

International: World Alzheimer's Month

World Alzheimer's Month is a global opportunity to raise awareness around, educate, encourage support of and demystify dementia.

USA: CNS Week

Find out the dates, history and traditions of Clinical Nurse Specialists Week

USA: National Wilderness Month

In 2013, President Obama proclaimed this monthly holiday to celebrate the 50th anniversary of The Wilderness Act.

USA: National Preparedness Month

National Preparedness Month is an observance each September to raise awareness about the importance of preparing for disasters and emergencies that could happen at any time.

International: World Freestyle Day

Celebrate World Freestyle Day with us! Unleash your creativity and join a community that values skill, artistry, and the spirit of improvisation.

International: World PCOS Day

Learn about World PCOS Day, an initiative by PCOS Challenge to raise awareness and support for those affected by Polycystic Ovary Syndrome. Discover how you can get involved.

USA: Healthy Aging Month

Celebrate Healthy Aging Month and discover new ways to embrace wellness and vitality at any age, from enhancing nutrition to engaging your mind.

August 31st 2025 | Go to Today | September 2nd 2025

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General Information for September 1st 2025
There are 12 public holidays today.
Day 244 of 2025
121 days left in 2025
Week 36 of the year
On this Day in History
1979 - The American space probe Pioneer 11 becomes the first spacecraft to visit Saturn when it passes the planet at a distance of 21,000 kilometres (13,000 mi).
1969 - Tran Thien Khiem becomes Prime Minister of South Vietnam under President Nguyen Van Thieu.
1905 - Alberta and Saskatchewan join the Canadian confederation.
717 - Siege of Constantinople: The Muslim armada with 1,800 ships, is defeated by the Byzantine navy through the use of Greek fire.