- Sep 2 Mario Tremblay, Canadian ice hockey right wing (Montreal Canadiens 852 games) and coach (Montreal Canadiens 1985-87), born in Alma, Quebec
- Sep 3 Hans-Georg Beyer, East German team handball player (Olympic gold 1980), born in Eisenhüttenstadt, Germany
- Sep 5 Steve Denton, American tennis player (world's fastest tennis serve-138 mph), born in Kingsville, Texas
- Sep 7 Byron Stevenson, British footballer (Leeds United), born in Llanelli, Wales (d. 2007)
- Sep 8 Maurice Cheeks, American NBA guard (NY Knicks, Philadelphia '76ers), born in Chicago, Illinois
- Sep 12 Chip Beck, American golfer (US Open 1986, 89, Masters 1993 runner-up; shot 59 in 1991), born in Fayetteville, North Carolina
- Sep 12 Ricky Rudd, American auto racer (NASCAR Winston Cup Series Rookie of the Year 1977; IROC Champion 1992; Brickyard 400 1997, born in Norfolk County, Virginia
- Sep 14 Ray Wilkins, English soccer midfielder (84 caps; Chelsea, Manchester Utd, AC Milan, Rangers, QPR) and manager (QPR, Fulham, Jordan), born in Hillingdon, England (d. 2018)
- Sep 16 Anatoly Beloglazov, Russian 52 kg freestyle wrestler (Olympic gold 1980), born in Kaliningrad, Russia
- Sep 16 Marcelo Campo, Argentine rugby union winger (20 Tests Argentina, 6 South America; Pueyrredón SC), born in Quilmes, Argentina (d. 2021)
- Sep 16 Sergei Beloglazov, Russian 57 kg freestyle wrestler (Olympic gold 1980, 88), born in Kaliningrad, Russia
- Sep 17 Thad Bosley. American major league baseball player, born in Oceanside, California
Peter Šťastný (67 years old)
Sep 18 Slovak-Canadian Hockey HOF center (2nd-highest NHL scorer 1980s, after Wayne Gretzky; World C'ship gold 1976, 77; Canada Cup gold 1984; Quebec Nordiques, NJ Devils, St. Louis Blues), born in Bratislava, Slovakia
- Sep 19 Juan Manuel Fangio II, Argentine racing driver, born in Balcarce, Buenos Aires, Argentina
- Sep 21 Jack Givens, American basketball player
- Sep 23 Paolo Rossi, Italian soccer striker (48 caps; FIFA World Cup 1982 [Golden Boot, Golden Ball]; L.R. Vicenza, Juventus), born in Prato, Italy (d. 2020)
- Sep 24 Ilona Slupianek, German shot-putter (Olympic gold 1980), born in Demmin, East Germany
- Sep 26 Steve Butler, American auto racer (USAC Silver Crown Champion 1988, 92; USAC Sprint Car Champion 1986, 87, 88, 90), born in Amarillo, Texas
- Sep 28 Bob Miller, American ice hockey center (47 games USA; Boston Bruins, Colorado Rockies, LA Kings), born in Medford, Massachusetts (d. 2020)
Sebastian Coe (67 years old)
Sep 29 British 1500m runner (Olympic gold 1980, 84), born in London, England
About September 1956
How Old? 67 years old
Generation: Baby Boomer
Leap Year: Yes
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions