- Sep 6 Adolf Dassler, German entrepreneur (founder sportswear company Adidas), dies at 78
- Sep 10 Ronnie Peterson, Swedish auto racer (World F1 C'ship runner-up 1971, 78), dies in crash during Italian F1 GP at 34
- Sep 11 Mike Gazella, American baseball player (NY Yankees), dies at 82
- Sep 16 Bill Foster, American Baseball HOF pitcher (NgL All-Star 1933, 34; NgL World Series 1926, 27; Chicago American Giants), dies at 74
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