September 1, 2025

This page shows all events for Monday, the 1st of September, 2025. The day is the 244th day in 2025 and in the 36th calendar week.

General events on September 1, 2025

• Constitution Day in Slovakia
• Emma M. Nutt Day
• Labor Day
• National Guide Dog Month
• National Hispanic Heritage Month
• National Honey Month
• National Preparedness Month
• World Letter Writing Day

Natural events on September 1, 2025

• Beginning of meteorological autumn
• Last Day of Summer