- Sep 4 Nikolaos Lyberopoulos, Greek footballer, born in Filiatra, Greece
- Sep 5 George Boateng, Dutch footballer, born in Nkawkaw, Ghana
- Sep 5 Rod Barajas, Mexican-American baseball player, born in Ontario, California
- Sep 6 Derrek Lee, American baseball 1st baseman (2 x MLB All Star, 3 x Gold Glove), born in Sacramento, California
- Sep 7 Harold Wallace, Costa Rican footballer, born in Heredia, Costa Rica
- Sep 7 Norifumi Abe, Japanese motorcycle road racer (3 x 500cc wins), born in Setagaya, Japan (d. 2007)
- Sep 8 Elena Likhovtseva, Russian tennis player, born in Alma-Ata, Soviet Union
- Sep 8 John Thomas, American NBA forward (Boston Celtics), born in Minneapolis, Minnesota
- Sep 8 Lee Eul-Yong, South Korean footballer, born in Taebaek, South Korea
Dan O'Toole (47 years old)
Sep 10 Canadian sports anchor (TSN, Fox Sports 1), born in Peterborough, Ontario
- Sep 11 Juan Cobián, Argentine footballer, born in Buenos Aires, Argentina
- Sep 13 Akihiro Asai, Japanese racing driver, born in Tokyo, Japan
- Sep 13 Sean McClain, American fencer-foil (Olympics 1996), born in Dayton, Ohio
- Sep 15 Tom Dolan, American 400m freestyle/200m/400m medley swimmer (Olympic gold 1996)
- Sep 16 Kip Harkrider, American baseball infielder (Olympic bronze 1996), born in Carthage, Texas
- Sep 17 Jimmie Johnson, American auto racer (7-time NASCAR Cup Series champion), born in El Cajon, California
- Sep 18 Kanstantsin Lukashyk, Belarusian pistol shooter (OLympic gold 1992), born in Hrodna, Belarus
- Sep 20 Juan Pablo Montoya, Colombian-American race car driver, born in Bogotá, Colombia
- Sep 22 Ethan Moreau, Canadian ice hockey player, born in Huntsville, Ontario
- Sep 24 Kyle Turley, American football offensive lineman (First-team All-Pro 2000 New Orleans Saints; Second-team All-Pro 2003 St. Louis Rams), born in Provo, Utah
- Sep 25 Matt Hasselbeck, American football player, born in Boulder, Colorado
- Sep 27 Ed Gray, NBA guard (Atlanta Hawks)
- Sep 27 Tajama Abraham, WNBA center (Sacramento Monarchs)
- Sep 28 Lenny Krayzelburg, American swimmer
- Sep 29 Albert Celades, Spanish football player (Barcelona, Real Madrid), born in Barcelona, Spain
- Sep 29 Heather Pease, American synchronized swimmer (Olympic gold 1996), born in Monterey, California
- Sep 30 Carlos Guillén, Venezuelan baseball shortstop (3-time MLB All Star; Seattle Mariners, Detroit Tigers), born in Maracay, Aragua
- Sep 30 Sammy Igoe, English football player, born in Staines-upon-Thames, England
About September 1975
How Old? 47 years old
Generation: Generation X
Leap Year: No