- 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 (1789-1851)
Sep 15 1st major American novelist (The Last of the Mohicans), born in Burlington, New Jersey
- Sep 28 Richard Bright, English physician (Bright's Disease/nephritis), born in Bristol, England (d. 1858)