September 1 is the 244th day of the year (245th in leap years) in the Gregorian calendar. There are 121 days remaining.
- 1924: Hal Douglas, the voice over of the first and third trailers for The SpongeBob SquarePants Movie, was born.
- 2003: Special Delivery! and The Big Halloween Scare were published.
- September 1 on Wikipedia