- Sep 1 Chick Harbert, American golfer (PGA C'ship 1954, Ryder Cup 1949, 55), dies of a cerebral haemorrhage at 77
- Sep 5 Billy Herman, American Baseball HOF second baseman (10 x MLB All Star; Brooklyn Dodgers, Chicago Cubs), dies from cancer at 83
- Sep 6 Pat Harder, American NFL fullback (Cardinals, Lions), dies at 70
- Sep 7 Leo van der Kar, Dutch businessman (founder of Sports Fund), dies at 79
- Sep 11 Frank McKinney, American swimmer (Olympic gold 4x100m medley), dies in a mid-air collision between 2 aircraft at 53
- Sep 14 S A Banerjee, cricketer (1 Test for India 1948, no runs, 5 wkts), dies
- Sep 22 Aurelio López, Mexican baseball player (b. 1948)
- Sep 23 Bernice Gera, American 1st female baseball umpire (1969 NY-Penn League), dies of cancer at 61