Events in Sport
- Sep 1 Walter Kennedy begins his tenure as the commissioner of the NBA, succeeding Maurice Podoloff
- Sep 6 Historian Lee Allen says Indians-Senators game is 100,000th in Major League baseball history
- Sep 8 Milwaukee Braves future Baseball Hall of Fame pitcher Warren Spahn ties Christy Mathewson with 13 x 20-win seasons
- Sep 8 Scottish Lotus driver Jim Clark wins the Italian Grand Prix at Monza to clinch his first F1 World Drivers Championship; Clark's 5th GP win of the season
- Sep 8 US National Championship Men's Tennis, Forest Hills, NY: Rafael Osuna of Mexico beats Frank Froehling 7-5, 6-4, 6-2 for his lone major singles title
US Open Women's Tennis
Sep 8 US National Championship Women's Tennis, Forest Hills, NY: Maria Bueno of Brazil wins second of 4 US singles crowns; beats defending champion Margaret Smith of Australia 7-5, 6-4
Maria Bueno
- Sep 10 Phillies beat Houston Colt .45s, 16-0
Event of Interest
Sep 10 Stan Musial hits a HR in his 1st at bat as a grandfather
Stan Musial
- Sep 13 Jim Bouton's 20th win clinches Yanks 28th pennant
- Sep 18 Final game at Polo Grounds, 1,752 see Phillies beat Mets 5-1
- Sep 24 Idle Dodgers clinch their 2nd LA pennant as Cubs beat Cards
- Sep 29 Cardinal's celebrate Stan Musial Day in St Louis, for Stan Musial's final game, where he hits his 3,629th & 3,630th total hits (475 HRs)
Birthdays in Sport
- Sep 2 Sam Mitchell, NBA forward (Minn Timberwolves)
- Sep 4 John Vanbiesbrouck, American NHL goalie (Team USA, Florida), born in Detroit, Michigan
- Sep 5 Jeff Brantley, American MLB pitcher and broadcaster (Cincinnati Reds), born in Florence, Alabama
- Sep 5 Tim McKyer, American NFL defensive back (Denver Broncos-Super Bowl 32), born in Orlando, Florida
- Sep 6 József Kiprich, Hungarian soccer player (Feyenoord), born in Tatabánya, Hungary
- Sep 6 Pat Nevin, Scottish soccer winger (28 caps; Chelsea, Everton, Tranmere Rovers), born in Glasgow, Scotland
- Sep 8 Gerald Williams, NFL defensive end (Carolina Panthers), born in Waycross, Georgia
- Sep 8 Li Ning, Chinese gymnast (3 Olympic gold 1984), born in Laibin, Guangxi
- Sep 9 Leslie Thompson, American cross country skier (Olympics 1994), born in Burlington, Vermont
- Sep 11 Bonnie Gadusek, tennis player (French Juniors 1981), born in Pittsburgh, Pennsylvania
- Sep 11 Gerald Wilkins, American NBA guard (Orlando Magic), born in Atlanta, Georgia
- Sep 14 Antonia Real, Spanish 400m freestyle (Olympic-1976), born in Palma de Mallorca, Spain
- Sep 14 Jaromir Dragan, Slovak ice hockey goalie (1992 Winter Olympics Bronze), born in Liptovský Mikuláš, Slovakia
- Sep 16 Garth Jax, American NFL middle linebacker (Arizona Cardinals), born in Houston, Texas
- Sep 18 Richard Weiss, American slalom single kayaker (Olympic 6th 1996), born in Munich, Germany (d. 1997)
- Sep 18 Jim Pocklington, British racing driver, born in Romford, London
- Sep 19 David Seaman, English football goalkeeper (Arsenal), born in Rotherham, England
- Sep 21 Cecil Fielder, infielder (Detroit Tigers, NY Yankees), born in Los Angeles, California
- Sep 21 Curtly Ambrose, Antiguan cricket fast bowler (West Indies 98 Tests, 405 wickets @ 20.99; 176 ODIs), born in Swetes, Antigua and Barbuda
- Sep 23 Gabriele Reinsch, German DR, discus thrower (world record 1988)
- Sep 26 Douglas Wakiihuri, Kenyan athlete (World marathon champion 1987, Olympic silver 1988), born in Mombasa, Kenya
- Sep 27 Caren Metschuck, German DR, 100m butterfly swimmer (Olympic gold 1980)
- Sep 28 Johnny Dawkins, American basketball guard (NBA: San Antonio Spurs, Philadelphia 76ers; Detroit Pistons) and coach (Stanford, UCF), born in Washington, D.C.
- Sep 30 Ed Drakich, volleyball player (Olympics 1996), born in Windsor, Ontario