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Days Until September 16th

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days remaining
September 16th, 2026

Last reviewed on May 7, 2026.

About September 16th

September 16th is one of 365 days on the calendar β€” and like every date, it has its own mix of facts, observances, and history. September 16th is Mexican Independence Day, commemorating the start of the War of Independence from Spain in 1810. The countdown below shows how many days remain until the next September 16th, with notes on what the date is known for, the traditions associated with it, and notable events that have happened on this day.

πŸ“š Interesting Facts

September 16th is Mexican Independence Day, commemorating the start of the War of Independence from Spain in 1810

The Mayflower set sail from Plymouth, England on this day in 1620, carrying Pilgrims to establish Plymouth Colony in America

General Motors Corporation was founded on September 16, 1908, becoming one of the world's largest automobile manufacturers

The Montreal Protocol was signed on this date in 1987, successfully protecting the Earth's ozone layer

This day is celebrated as World Ozone Day, promoting awareness about ozone layer preservation

🎊 Traditions & Celebrations

Mexico celebrates Independence Day with the 'Grito de Dolores' reenactment, fireworks, parades, and patriotic celebrations

World Ozone Day (International Day for the Preservation of the Ozone Layer) promotes environmental awareness and protection

National Guacamole Day is celebrated in the United States with special recipes and avocado-themed events

Mexican communities worldwide celebrate with traditional music, dancing, food, and cultural performances

Environmental organizations host events to educate about ozone depletion and the success of the Montreal Protocol

πŸ“œ Historical Events on This Day

1400

Owain GlyndΕ΅r was declared Prince of Wales by his followers, beginning the Welsh Revolt

1620

The Mayflower set sail from Plymouth, England, carrying Pilgrims to the New World

1810

Father Miguel Hidalgo issued the 'Grito de Dolores', starting Mexico's War of Independence from Spain

1908

William C. Durant founded General Motors Corporation in Flint, Michigan

1920

The Wall Street bombing killed 38 people and injured 400 in New York City's financial district

1963

Malaysia was created when the Federation of Malaya united with Sabah, Sarawak, and Singapore

1975

Papua New Guinea gained independence from Australia

1987

The Montreal Protocol was signed, leading to worldwide efforts to phase out ozone-depleting substances

2007

Blackwater security guards killed 17 Iraqi civilians in Baghdad's Nisour Square, sparking international outrage

2022

The death of Mahsa Amini in Tehran, Iran sparked worldwide protests for women's rights

Why Count Down to September 16th?

Whether you're planning ahead, celebrating a tradition, or marking a personal milestone, tracking the countdown to September 16th helps you prepare and build anticipation. Use CountDay.org to:

  • Never miss important dates and plan accordingly
  • Build excitement as the day approaches
  • Share the countdown with friends and family
  • Set reminders and prepare for celebrations
  • Track multiple countdowns in one convenient place