- Sep 3 Alec Brown, English snooker player (Daily Mail Gold Cup 1939, 40; News of the World 1951), dies at 87
- Sep 6 Buster Mathis, American boxer (World Super Heavyweight title 1972), dies from heart failure at 52
- Sep 10 Molly Hide, English cricketer who captained England for 17 years, dies at 81
- Sep 11 Keith Odor, British racing driver, dies during a touring car race at 33
- Sep 13 Harold Sheperdson, British soccer trainer, dies at 76
- Sep 15 Gunnar Nordahl, Swedish soccer striker (33 caps; AC Milan; Olympic gold 1948), dies at 73
- Sep 17 Lucien Victor, Belgian road racing cyclist, dies at 64
- Sep 18 Oleg Tverdokhleb, Ukrainian athlete (b. 1969)
- Sep 20 Walter Haas Jr., American businessman and sports team owner (Levi Strauss & Co, Oakland A's), dies of prostate cancer at 79
- Sep 25 Dave Bowen, Welsh soccer wing-half (19 caps; Arsenal) and manager (Wales 1964-74; Northampton Town), dies at 67