- Sep 5 Jiří Menzel, Czech film director (Closely Watched Trains), dies at 82
- Sep 6 Kevin Dobson, American actor (Kojak, Knots Landing, Shannon), dies at 77
- Sep 8 Ronald Harwood, South African playwright and screenwriter (The Dresser), dies at 85
- Sep 9 Jack Ging, American character actor (11th Hour; Ripcord; Tales of Wells Fargo), dies at 90
- Sep 10 Diana Rigg, English actress (Emma Peel-Avengers, Game of Thrones), dies at 82
- Sep 12 Barbara Jefford, British stage actress (James Joyce's Ulysses), dies at 90
- Sep 21 Jackie Stallone (née Labofish);, American astrologer, television personality, and mother of Sylvester Stallone and Frank Stallone, dies at 98
- Sep 21 Michael Lonsdale, French actor (The Day of the Jackal, Moonraker), dies at 89
- Sep 22 Road Warrior Animal [Joseph Laurinaitis], American pro wrestler (3 x WWE Tag Team C'ship; WWE Hall of Fame), dies at 60
Gale Sayers (1943-2020)
Sep 23 American College and Pro Football Hall of Fame halfback, 4X Pro Bowl, 2X NFL rushing leader (Chicago Bears), and source for the TV movie "Brian's Song", dies from dementia and Alzheimer’s disease at 77 [1]
- Sep 23 Juliette Gréco, French singer (Sous le ciel de Paris) and actress, dies at 93 [1]
- Sep 24 Dean Jones, Australian cricket batsman and broadcaster (52 Tests @ 46.55; 164 ODIs; Victoria), dies from cardiac arrest at 59
- Sep 27 Yūko Takeuchi, Japanese actress (Miss Sherlock), dies at 40
- Sep 28 Frédéric Devreese, Belgian conductor, and composer of classical music (Gemini Suite; Valse Sacrée), and film scores (The Cruel Embrace), dies of cancer at 91
- Sep 29 Isidora Žebeljan, Serbian classical, opera, and film composer, dies at 53
- Sep 29 Mac Davis, American country music singer-songwriter ("Baby, Don't Get Hooked On Me"; "In The Ghetto"; "I Believe In Music") and actor (North Dallas Forty), dies following heart surgery at 78 [1]
- Sep 30 Quino [Joaquín Salvador Lavado Tejón], Argentine cartoonist (Mafalda), dies at 88
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TV Stars