- Sep 4 Giovanni Salviucci, Italian composer, dies at 29
- Sep 6 Henry Kimball Hadley, American composer (Bianca; Streets of Pekin), and conductor (San Francisco Symphony, 1915-18), dies of cancer at 65
- Sep 23 Caro Roma [Carrie Northey], American composer and singer, dies at 68
- Sep 26 Bessie Smith, American blues singer known as the "Empress of the Blues" (recorded over 200 songs), dies of injuries sustained in car crash at 43