- Sep 1 Helen Haye, actress (Girl in the Taxi, Spy in Black), dies at 83
- Sep 1 Dennis Brain, English musician (b. 1921)
- Sep 2 William Alexander Craigie, Scottish lexicographer (Skotlands Rimur), dies at 90
- Sep 9 Ettore Pozzoli, composer, dies at 84
- Sep 11 Petar Stojanovic, Serbian composer, dies at 80
- Sep 16 Ch'i Pai-shih, traditional Chinese painter, dies at 93
- Sep 16 Qi Baishi, Chinese artist, dies at 93
- Sep 17 John W "John" Eisenloeffel, goldsmith, dies at 81
- Sep 19 Reginald Aldworth Daly, Canadian-American Geologist who independently developed the theory of magmatic stopping, dies at 86
- Sep 20 Jean Sibelius, Finnish composer (Finlandia), dies at 91
- Sep 21 Haakon VII, King of Norway (1905-57), dies at 85
- Sep 22 Soemu Toyoda, Japanese admiral during World War II, dies at 72
- Sep 28 Albert Ascoli, Italian developed anti-tuberculosis vaccine, dies
- Sep 28 Luis Cluzeau-Mortet, composer, dies at 67