- Sep 1 Franz Anton Adam Stockhausen, composer
- Sep 3 Edmund Passy, Swedish composer, born in Stockholm, Sweden (d. 1870)
- Sep 9 William Cranch Bond, American astronomer (codiscovered Hyperion), born in Falmouth, Maine (d. 1859)
James Fenimore Cooper
Sep 15 James Fenimore Cooper, 1st major American novelist (Last of Mohicans), born in Burlington, New Jersey
James Fenimore Cooper
- Sep 28 Richard Bright, English physician (Bright's Disease/nephritis), born in Bristol, England (d. 1858)