- Sep 1 Gerhard Strack, German soccer defender (10 caps; 1. FC Köln, FC Basel, Fortuna Düsseldorf), born in Kerpen, Germany (d. 2020)
- Sep 6 Anne Henning, American 500m speed skater (Olympic gold 1972), born in Raleigh, North Carolina
- Sep 10 Marja-Liisa Hämäläinen, Finnish cross country skier (3 Olympic gold 1984), born in Simpele, Finland
Abdul Qadir (1955-2019)
Sep 15 Pakistani cricket spin bowler (67 Tests; 236 wickets; best 9/56 1987), born in Lahore, Punjab
- Sep 16 Robin Yount, American Baseball HOF shortstop/center fielder (AL MVP 1982, 89; 3 x MLB All Star; Milwaukee Brewers; 3,142 hits), born in Danville, Illinois
- Sep 17 Scott Simpson, American golfer (US Open 1987; 7 PGA Tour titles), born in San Diego, California
- Sep 18 Billy Sims, American College Football Hall of Fame running back (Heisman Trophy 1978, U of Oklahoma; Pro Bowl 1980–82, Detroit Lions), born in St. Louis, Missouri
- Sep 22 Jeffrey Leonard, American Major League baseball player, born in Philadelphia, Pennsylvania
- Sep 25 Karl-Heinz Rummenigge, German football player (Bayern Munich), born in Lippstadt, West Germany
- Sep 25 Ludo Coeck, Belgian footballer (R.S.C. Anderlecht), born in Berchem, Belgium (d. 1985)
- Sep 29 Vicki Fergon, American golfer (first woman to win on all 3 LPGA-affiliated tours), born in Palo Alto, California
About September 1955
How Old? 68 years old
Generation: Baby Boomer
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Virgo (Aug 23 - Sep 22), Libra (Sep 23 - Oct 22)
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions