Events in Sport
- Sep 11 Minnie Minoso bats for White Sox after a 12-year hiatus (hitless)
Tennis Open
Sep 11 US Open Women's Tennis: 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 : Jimmy Connors wins his second US title; beats Björn Borg of Sweden 6-4, 3-6, 7-6, 6-4
Jimmy Connors
Björn Borg
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 Dodger 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, American football player
- Sep 4 Helen Denman, 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, Weert Neth, tennis star
- Sep 8 Gerald Drummond, Costa Rican footballer
- Sep 8 Jervis Drummond, Costa Rican footballer
- Sep 9 Mattias Ohlund, NHL goaltender (Vancouver Canucks, Team Sweden 1998)
- Sep 9 Aki Riihilahti, Finnish footballer
- Sep 10 Gregory Robert Henderson, 4k pursuit cyclist (Olympics 1996), 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 cricketer, born in Christchurch, New Zealand
- Sep 13 José Théodore, Canadian ice hockey player, born in Saint-Bruno-de-Montarville, Canada
- Sep 14 Agustín Calleri, Argentine tennis player
- Sep 15 Matt Thornton, American baseball player
- Sep 17 Jonathan Nichols, dance skater (& Tami Tyler), born in Wilmington, Delaware
- Sep 18 Ronaldo [Luís Nazário de Lima], Brazilian retired soccer player, popularly described as "O Fenômeno" (The Phenomenon), born in Rio de Janeiro, Brazil
- Sep 18 Gabriel Gervais, Canadian football player
- Sep 21 Adrian Olivo, American canoeist (alt-Olympics 1996), born in Arlington, Virginia
- Sep 21 Jana Kandarr, tennis star
- Sep 21 Poul Hübertz, Danish footballer
- Sep 24 Carlos Almeida, Angolan basketball player
- Sep 25 Chauncey Billups, NBA guard (Boston Celtics)
- Sep 26 Michael Ballack, German footballer
- 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