- Sep 9 Armenia wins the 40th FIDE Chess Olympiad
US Open Women's Tennis
Sep 9 US Open Women's Tennis: Serena Williams wins her 4th US title; beats Victoria Azarenka of Belarus 6-2, 2-6, 7-5
US Men's Tennis Open
Sep 10 US Open Men's Tennis: Andy Murray of Scotland wins his first Grand Slam event; beats defending champion Novak Đoković 7-6, 7-5, 2-6, 3-6, 6-2
Women's British Open
Sep 16 British Open Women's Golf, Royal Liverpool GC: Jiyai Shin wins her second Open title, 9 strokes ahead of fellow South Korean Inbee Park
- Sep 16 NHL locks out its players after the expiry of the collective bargaining agreement
- Sep 30 Ryder Cup Golf, Medinah CC: Europe retains Cup 14½-13½; win 8 and tie 1 of the 12 singles matches after trailing 10-6