- Sep 1 Aaron Schobel, American football defensive end (Pro Bowl 2006, 07; Buffalo Bills), born in Harris County, Texas
- Sep 1 David Albelda, Spanish soccer midfielder (51 caps; Valencia CF 351 games), born in La Pobla Llarga, Spain
- Sep 2 Frédéric Kanouté, Malian footballer
- Sep 3 Nate Robertson, American baseball player, born in Wichita, Kansas
- Sep 3 Olof Mellberg, Swedish footballer (Astob Villa), born in Gullspång, Sweden
- Sep 3 Rui Marques, Angolan soccer defender (21 caps; FC Baden, SSV Ulm, VfB Stuttgart, Leeds United), born in Luanda, Angola
- Sep 3 Stephen Laybutt, Australian soccer defender (15 caps; Brisbane Strikers, Excelsior Mouscron, KAA Gent), born in Lithgow, Australia (d. 2024)
- Sep 3 Tami Tyler, American dance skater (with partner Jonathan Nichols), born in Santa Clara, California
- Sep 5 Nazr Mohammed, American basketball player, born in Chicago, Illinois
- Sep 5 Rosevelt Colvin, American football linebacker (Super Bowl 2003, 04; NE Patriots) and analyst (Big Ten Network), born in Indianapolis, Indiana
- Sep 7 Jon Macken, British footballer (Preston North End), born in Blackley, England
- Sep 8 Maria Helena Selin, Finnish ice hockey right wing (Finland, Olympics 1998), born in Helsinki, Finland
- Sep 11 Matthew Stevens, Welsh snooker player, born in Carmarthen, Wales
- Sep 12 David Thompson, English footballer, born in Birkenhead, England
- Sep 12 Nathan Bracken, Australian cricket fast bowler (5 Tests, 12 wickets; 116 ODIs, 174 wickets; NSW), born in Penrith, Australia
- Sep 15 Jason Terry, American basketball player and coach, born in Seattle, Washington
- Sep 17 Simone Perrotta, Italian football player (Roma), born in Ashton-under-Lyne, England
- Sep 17 Tony Goskowicz, American short track skater (Olympics 1994), born in Wauwautosa, Wisconsin
- Sep 18 Kieran West, British oarsman (Olympic Gold 2000), born in Kingston upon Thames, England
- Sep 18 Li Tie, Chinese footballer and coach (Everton), born in Shenyang, China
- Sep 19 Aakash Chopra, Indian cricketer, born in Agra, India
- Sep 21 Brian Tallet, American MLB baseball pitcher, 2002-11 (Toronto Blue Jays, and 2 other teams), born in Midwest City, Oklahoma
- Sep 22 Paul Sculthorpe, English rugby league footballer (St Helens, 2x Man of Steel Award), born in Burnley, England
- Sep 23 Matthieu Descoteaux, Canadian ice hockey player
- Sep 24 Frank Fahrenhorst, German footballer, born in Kamen, West Germany
- Sep 25 Wil Nieves, Puerto Rican baseball player, born in San Juan, Puerto Rico
- Sep 27 Andrus Värnik, Estonian javelin thrower
- Sep 28 Se-ri Pak, South Korean golfer (5 LPGA major titles; US Open 1998, British Open 2001), born in Daejeon, South Korea
- Sep 29 Jake Westbrook, American baseball pitcher (World Series 2011 St. Louis Cardinals; MLB All Star 2004 Cleveland Indians), born in Athens, Georgia
- Sep 29 Wade Brookbank, Canadian ice hockey player, born in Lanigan, Saskatchewan
- Sep 30 Roy Carroll, Irish soccer goalkeeper who played 45 internationals NI; Wigan, Manchester United, West Ham, born in Enniskillen, Northern Ireland
- Sep 30 Sun Jihai, Chinese footballer (Manchester City, born in Zhuanghe, China
About September 1977
How Old? 46 years old
Generation: Generation X
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions