7 September is the 250th day of the year (251st in leap years). There are 115 days remaining.
- Unknown year: Mrs. Chang, Cho Chang's mother, is born.
- 1995: The Daily Prophet reports that a tip-off has informed them that Sirius Black is hiding in London and that Sturgis Podmore has been imprisoned in Azkaban for six months, for trying to break in a door at the Ministry of Magic.
- 1996: Harry Potter has his first lesson with Albus Dumbledore about Tom Riddle's past.
Behind the scenes
- 1967: Toby Jones, the actor who provided the voice of Dobby in the film adaptation of Harry Potter and the Chamber of Secrets and reprised the role in Harry Potter and the Deathly Hallows: Part 1, is born.
- 1989: Hugh Mitchell, who portrayed Colin Creevey in the film adaptation of Harry Potter and the Chamber of Secrets, is born.
- 2012: Harry Potter Wizard's Collection is released