- Sep 1 Dennis Brain, British classical horn player (Serenade), killed in a car wreck at 38
- Sep 1 Helen Haye [Hay], British stage and silent and sound screen actress (Honour in Pawn; Girl in the Taxi; Spy in Black), dies at 83
- Sep 2 William Alexander Craigie, Scottish lexicographer (Skotlands Rimur), dies at 90
- Sep 11 Petar Stojanovic, Serbian composer, dies at 80
Qi Baishi (1864-1957)
Sep 16 Chinese painter famous for whimsical and playful watercolor paintings, dies at 93
Jean Sibelius (1865-1957)
Sep 20 Finnish composer (Valse Triste, Finlandia), dies at 91
- Sep 21 Haakon VII, King of Norway (1905-57), dies at 85
- Sep 21 Henry E. Warren, American inventor (Telechon electric clock), dies at 85
- Sep 22 Soemu Toyoda, Japanese admiral during World War II, dies at 72
- Sep 28 Albert Ascoli, Italian serologist and chemist (developed anti-tuberculosis vaccine), dies at 80
- Sep 28 Luis Cluzeau-Mortet, Uruguayan composer, dies at 67
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning