Events in Sport
- Sep 11 Minnie Minoso bats for White Sox after a 12-year hiatus (hitless)
US Open Women's Tennis
Sep 11 US Open Women's Tennis, Forest Hills, NY: Chris Evert retains her title; dominates Evonne Goolagong Cawley of Australia 6-3, 6-0
Chris Evert
- Sep 12 Seattle Seahawks play 1st regular-season game (St L 30, Sea 24)
US Men's Tennis Open
Sep 12 US Open Men's Tennis, Forest Hills, NY: Jimmy Connors wins his second US title; beats Björn Borg of Sweden 6-4, 3-6, 7-6, 6-4
Jimmy Connors
Björn Borg
- Sep 13 2nd Enterprise, approach & lands Test Cricket (ALT) flight (5m28s)
Event of Interest
Sep 18 Cleveland Indians player-manager Frank Robinson plays last game as a player
Frank Robinson
- Sep 26 Phillies clinch their 1st NL East Division title
Boxing Title Fight
Sep 28 Muhammad Ali beats Ken Norton in 15 for heavyweight boxing title
Muhammad Ali
- Sep 29 SF Giant John Montefusco no-hits Atlanta Braves, 9-0
Event of Interest
Sep 29 Tommy Lasorda replaces Walter Alston as Los Angeles Dodgers manager
Tommy Lasorda
Birthdays in Sport
- Sep 1 Sebastián Rozental, Chilean footballer
- Sep 1 Marcos Ambrose, Australian racing driver
- Sep 1 Erik Morales, Mexican boxer
- Sep 1 Clare Connor, England Woman cricketer
- Sep 3 Jevon Kearse 'The Freak', American football player, born in Fort Myers, Florida
- Sep 4 Helen Denman, Australian swimmer (Olympics 1996), born in Perth, Australia
- Sep 5 Tatiana Gutsu, Ukrainian gymnast (1992 Olympic Champion), born in Odessa, Soviet Union
- Sep 6 Danny Blankers, Dutch soccer player (PSV/Willem II), born in Goirle, Netherlands
- Sep 6 Michael Nakamura, Australian baseball pitcher (Olympics 1996), born in Nara, Japan
- Sep 8 Sjeng Schalken, Dutch tennis player, born in Weert, Netherlands
- Sep 8 Gerald Drummond, Costa Rican footballer, born in Limón, Costa Rica
- Sep 8 Jervis Drummond, Costa Rican footballer, born in Limón, Costa Rica
- Sep 9 Mattias Ohlund, Swedish ice hockey player (Vancouver Canucks, Team Sweden 1998), born in Piteå, Sweden
- Sep 9 Aki Riihilahti, Finnish footballer, born in Helsinki, Finland
- Sep 10 Greg Henderson, New Zealand track cyclist (World C'ship gold scratch race 2004), born in Dunedin, New Zealand
- Sep 11 Flora Redoumi, Greek hurdler, born in Athens, Greece
- Sep 11 Tomáš Enge, Czech racing driver, born in Liberec, Czech Republic
- Sep 12 Maciej Żurawski, Polish footballer, born in Poznań, Poland
- Sep 13 Giorgos Koltzos, Greek footballer, born in Athen, Greece
- Sep 13 Craig McMillan, New Zealand cricket all-rounder, coach and broadcaster (55 Tests; 197 ODIs), born in Christchurch, Canterbury
- Sep 13 José Théodore, Canadian ice hockey player, born in Saint-Bruno-de-Montarville, Canada
- Sep 14 Agustín Calleri, Argentine tennis player, born in Río Cuarto, Córdoba, Argentina
- Sep 15 Matt Thornton, American baseball pitcher (all-time AL leader in holds; MLB All-Star 2010; CWS), born in Three Rivers, Michigan
- Sep 17 Jonathan Nichols, dance skater (with partner Tami Tyler), born in Wilmington, Delaware
- Sep 21 Jana Kandarr, tennis star
- Sep 21 Poul Hübertz, Danish footballer
- Sep 24 Carlos Almeida, Angolan basketball player and politician, born in Luanda, Angola
- Sep 25 Chauncey Billups, American NBA guard, played for 17 seasons for 7 teams (5x All-Star; Finals MVP, 2004 - Detroit), born in Denver, Colorado
- Sep 26 Michael Ballack, German footballer, born in Görlitz, Germany
- Sep 27 Francesco Totti, Italian footballer
- Sep 27 Jason Phillips, American baseball player
- Sep 29 Andriy Shevchenko, Ukrainian football player
- Sep 29 Darren Byfield, English football player
- Sep 29 Oscar Sevilla, Spanish cyclist