- Sep 1 Richard Farnsworth, American actor (Misery, Havana, Sylvester), born in Los Angeles, California (d. 2000)
- Sep 5 Fons Rademakers, Dutch director (Assault) and actor (Daughter of Darkness), born in Roosendaal, Netherlands (d. 2007)
- Sep 9 Michael Aldridge, British actor (Last of the Summer Wine; Murder in Cathedral), born in Glastonbury, England (d. 1994)
- Sep 10 Egbert van Paridon, Dutch actor and director (Flodder, The Assault), born in Amsterdam, Noord-Holland, Netherlands (d. 2011)
- Sep 12 Irene Dailey, American actress (Another World, Grissom Gang), born in New York City (d. 2008)
- Sep 13 Carole Mathews [Jean Deifel], American actress (The Californians, Swamp Women), born in Montgomery, Illinois (d. 2014)
- Sep 17 Dinah Sheridan, British actress (Genevieve, The Railway Children, Don't Wait Up), born in Hampstead, London (d. 2012)
- Sep 18 Jack Warden [John Lebzelter Jr], American character actor (Shampoo, Heaven Can Wait, Brian's Song), born in Newark, New Jersey (d. 2006)
- Sep 20 Frances Heflin, American actress (All My Children, The Skin of Our Teeth), born in Oklahoma City, Oklahoma (d. 1994)
Mickey Rooney (1920-2014)
Sep 23 American Emmy award-winning actor (Boys Town, The Black Stallion), born in Brooklyn, New York
- Sep 27 William Conrad [John Cann], American actor (The Killers, Bullwinkle Show, Cannon), born in Louisville, Kentucky (d. 1994)
- Sep 30 Torbjörn Lundquist, Swedish classical and film score composer, conductor, and musicologist, born in Stockholm, Sweden (d. 2000)
About September 1920
How Old? 103 years old
Generation: Greatest Generation
Leap Year: Yes
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