Tennis Open
Sep 8 US Open Women's Tennis: Australian Margaret Court wins her 3rd US title and 16th Grand Slam singles event; beats Nancy Richey 6-2, 6-2
Nancy Richey
- Sep 9 Smallest US Tennis Open single session-131 (men's doubles final only)
Tennis Open
Sep 9 US Open Men's Tennis: Rod Laver beats fellow Australian Tony Roche 7-9, 6-1, 6-2, 6-2 to claim his record second Grand Slam
Rod Laver
Tony Roche
- Sep 10 NY Mets sweep Montreal Expos putting them in 1st place for 1st time
- Sep 13 Baltimore Orioles, win earliest AL Eastern division title
- Sep 13 Bobby Bonds is baseballs 4th 30-HR, 30-steal player
- Sep 15 Cards Steve Carlton sets record by striking out 19 NY Mets in a game
- Sep 20 18th Ryder Cup: Draw, 16-16 at Royal Birkdale, England
- Sep 20 Pitts Pirate Bob Moose no-hits NY Mets, 4-0
- Sep 21 58th Davis Cup: USA beats Romania in Cleveland (5-0)
Golf Tournament
Sep 21 Donna Caponi Young wins LPGA Lincoln-Mercury Golf Open
Donna Caponi
Baseball Record
Sep 22 SF Giant Willie Mays, becomes second player to hit 600 home runs
Willie Mays