- Sep 4 José Echegaray, Spanish politician and dramatist (Nobel Prize for Literature 1904), dies at 84
- Sep 10 Friedrich Gernsheim, German composer, dies at 77
- Sep 14 Josiah Royce, American philosopher (Conception of Immortality), dies at 60
- Sep 14 Pierre Duhem, French naturalist, philosopher and historian, dies at 55
- Sep 15 Isidore Legouix, French composer, dies at 82
- Sep 16 Basil W. Duke, American Brigadier General (Confederate Army), dies at 78
- Sep 25 Julius Fučík, Czech composer, dies at 44
- Sep 27 Emile A G Verhaeren, Belgian writer (Les Heures du Soir), dies at 61
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning