- Sep 1 Clifford M Curzon, England, pianist, dies at 75
- Sep 1 Wladislaw Gomulka, Polish partisan/party leader, dies at 76
- Sep 1 Haskell Curry, American mathematician (b. 1900)
- Sep 2 Jay Novello, actor (Harum Scarum, Rebel Breed), dies of cancer at 78
- Sep 2 Tom Baker, US actor, dies of a drug overdose in New York at 42
- Sep 3 Della Chiesa, Italian general/mafia fighter, murdered
- Sep 3 Michael Thoma, actor (8 is Enough, Fame), dies at 55
- Sep 5 Maurice Naessens, Belgian banker, dies at 73
- Sep 5 Douglas Bader, RAF fighter pilot in World War II (b. 1910)
- Sep 7 Ken Boyer, American baseball player (b. 1931)
- Sep 9 Frederic Dannay, [Ellery Queen], American detective writer, dies at 76
- Sep 10 Max Winders, Belgian architect (WWII), responsible for bringing the Belgian gold stock, dies at 100
- Sep 11 Albert Soboult, French historian, dies at 68
- Sep 12 Kommer Kleijn, Dutch actor and radio play director (Tomorrow It Will Be Better), dies at 89
- Sep 13 Philip Ober, American actor (Gen Stone-I Dream of Jeannie), dies at 80
- Sep 14 Bashir Gemayel, falangist Lebanon's president-elect, assassinated by a bomb
Grace Kelly
Sep 14 Grace Kelly, princess of Monaco, dies in a car crash at 52
Grace Kelly
- Sep 14 John C Gardner, American writer (Life & Times of Chaucer High), dies at 49
- Sep 14 Christian Ferras, French violinist (b. 1933)
- Sep 15 Sadegh Ghotbzadeh, Iran's former foreign minister, executed in Iran
- Sep 16 Rolfe Sedan, American actor (Young Frankenstein, Ninotchka, George Burns Show), dies at 86
- Sep 17 Manos Loïzos, Greek composer (b. 1937)
- Sep 19 Fred Badcock, cricketer (7 Tests for NZ 1930-33, 16 wkts), dies
- Sep 19 Samuel L M Barlow, American composer (Mon Ami Pierrot), dies at 90
- Sep 21 Hovhannes Bagramyan, Soviet general (b. 1897)
- Sep 23 Jimmy Wakely, country western singer, dies of heart failure at 68
- Sep 24 Sarah Churchill, British actress (Matinee Theatre , All Over Town, Royal Wedding), dies at 67
- Sep 26 Alec Hurwood, cricketer (Australian off-spinner v WI 1930-31), dies
- Sep 27 Saad Sayd, [Abu Walid], Palestinian commandant in Lebanon, dies
- Sep 28 Larry Breeding, actor (Who's Watching the Kids), dies on 36th birthday
- Sep 28 Mabel Albertson, actress (Gazebo, Bewitched), dies of Alzheimer at 81
- Sep 29 H C Slinger Nitschke, cricketer (2 Tests for Australia 1931-32), dies
- Sep 29 Monty Stratton, baseball player (b. 1912)