Name: International Day for the Preservation of the Ozone Layer
Start: 2026-09-16T00:00:00-07:00
End: 2026-09-16T23:59:59-07:00

September 2026
Mexican Independence Day
September 16
Mark your calendar: September 16, 2026 is Mexican Independence Day.
Mayflower Day
September 16
September 16, 2026 brings Mayflower Day — one of fall's more delightful excuses to celebrate.
Stepfamily Day
September 16
Mark your calendar: September 16, 2026 is Stepfamily Day.
Stay Away From Seattle Day
September 16
Did you know September 16, 2026 is Stay Away From Seattle Day?
Teenager Workout Day
September 16
Teenager Workout Day is September 16, 2026.
Working Parents Day
September 16
September 16, 2026 brings Working Parents Day — one of fall's more delightful excuses to celebrate.
Papua New Guinea Independence Day
September 16
It's Papua New Guinea Independence Day on September 16, 2026 — a fall reminder of how much animals enrich our lives.
Trail of Tears Commemoration Day
September 16
September brings Trail of Tears Commemoration Day on September 16, 2026.
World Ozone Day
September 16
September has a surprise: World Ozone Day lands on September 16, 2026.
International Day for the Preservation of the Ozone Layer
September 16
It's International Day for the Preservation of the Ozone Layer on September 16, 2026.

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