September 16 national days 2026
On September 16th, 5 national days fall on this date.
September 16 is a date on the 2026 national-day calendar. TheDayOf currently lists 5 observances for this date: National Guacamole Day, National Cinnamon Raisin Bread Day, National Play-Doh Day, Mexican Independence Day, and International Day for the Preservation of the Ozone Layer. Open any day page for the date, history, and how to celebrate, or browse the rest of September from the month hub.
National Guacamole Day
Go green with National Guacamole Day! Mexican restaurants celebrate avocados' most popular form with specials and free guacamole…
National Cinnamon Raisin Bread Day
National Cinnamon Raisin Bread Day on September 16 is a breakfast-bread date. It is informal bakery-calendar fare.
National Play-Doh Day
National Play-Doh Day on September 16 marks the modeling compound first sold as a wallpaper cleaner, then recast as a children’s toy by…
Mexican Independence Day
Mexican Independence Day on September 16 commemorates the 1810 Grito de Dolores, the call attributed to Miguel Hidalgo that began Mexico’s…
International Day for the Preservation of the Ozone Layer
The International Day for the Preservation of the Ozone Layer on September 16 marks the 1987 signing of the Montreal Protocol. It is a UN…