- Sep 10 Väinö Raitio, Finnish composer, dies at 54
- Sep 15 Anton von Webern, Austrian composer, dies at 61 after being shot by an American soldier on patrol
- Sep 16 John McCormack, Irish-American tenor (Irish folksongs), dies at 61
- Sep 18 "Blind" Willie Johnson, American gospel blues singer and guitarist ("Dark Was the Night, Cold Was the Ground"), dies of malarial fever, syphilis and blindness at 48
Béla Bartok (1881-1945)
Sep 26 Hungarian pianist, composer (Concerto for Orchestra), and ethnomusicologist, dies of leukemia at 64
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