- Sep 4 Lee Roy Selmon, American College-Pro Football HOF defensive end (NFL Defensive Player of the Year 1979; First-team All-Pro 1979, 80, 82; 6× Pro Bowl; TB Buccaneers), dies from a stroke at 56
- Sep 7 Brad McCrimmon, Canadian ice hockey defenseman (Stanley Cup 1989 Calgary Flames; NHL All-Star 1988; Plus-Minus Award +48 1989), dies as head coach KHL Lokomotiv Yaroslavl in plane crash at 52
- Sep 7 Josef Vašíček, Czech ice hockey center (World C'ship gold 2005; Carolina Hurricanes), dies in Lokomotiv Yaroslavl air disaster at 30
- Sep 7 Ruslan Salei, Belarusian ice hockey defenceman (917 NHL games; 48 internationals), dies in Lokomotiv Yaroslavl plane crash at 36
- Sep 11 Christian Bakkerud, Danish racing driver (b. 1984)
- Sep 12 Alexander Galimov, Russian ice hockey player (b. 1985)
- Sep 27 Dave Hill, American golfer (13 PGA Tour titles), dies of emphysema at 74
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