- Sep 4 George O'Brien, American actor (Sunrise: A Song of Two Human), dies of a stroke at 85
- Sep 4 Isabel Jeans, actress (Suspicion, Easy Virtue, Tovarich), dies at 93
- Sep 4 Robert McCormick, American NBC newscaster (Current Opinion), dies at 74
- Sep 6 Jane Frazee [Mary Jane Frehse], American actress, singer, and dancer (Beautiful But Broke, Beulah), dies at 70 of pneumonia
- Sep 10 Alexa Kenin, American actress (Mousie-Coed Fever), dies at 23
- Sep 11 Masako Natsume [Odate], Japanese actress and model (Tripitaka in "Monkey"), dies of leukemia at 27
- Sep 22 Dickie Henderson, British comic and actor, dies of pancreatic cancer at 82
- Sep 23 Mickey Simpson, American actor (Wagonmaster), dies of a heart attack at 72
- Sep 27 Lloyd Nolan, American actor (A Tree Grows in Brooklyn; Peyton Place), dies of lung cancer at 83
Simone Signoret (1921-1985)
Sep 30 German-French BAFTA, Emmy, and Academy Award- winning actress (Room at Top; Diabolique), dies of pancreatic cancer at 64