- Sep 6 Georg Druschetzky [Jiří Družecký], Czech composer, oboist, and timpanist, dies at 74
- Sep 7 Jean-Louis Duport, French cellist and composer, dies at 69
- Sep 8 Franz Stanislaus Spindler, German composer, dies at 56
- Sep 12 Gebhard Leberecht von Blücher, Prussian general (b. 1742)
- Sep 14 Erik Acharius, Swedish botanist (lichens), dies at 61
- Sep 16 John Jeffries, American physician and meteorologist (1st balloon flight across English Channel), dies at 75
- Sep 28 Karl Haack, German composer, dies at 68
- Sep 30 Nicolas Roze, French composer, dies at 74
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning