- Sep 2 Gordon Kennett, English motorcycle speedway rider (World Pairs C'ship [Malcolm Simmons] 1978; World Championship 1978 runner-up), born in Bromley, England (d. 2023)
- Sep 6 Mohamed Kedir, Ethiopian 10k runner (Olympic bronze 1980), born in Ethiopia
- Sep 12 John Williams, American archer (Olympic gold individual 1972; World C'ship gold 1971), born in Cranesville, Pennsylvania
- Sep 14 Judy Playfair, Australian swimmer, born in Sydney, Australia
- Sep 16 Jerry Pate, American golfer (US Open 1976; 8 PGA Tour titles), born in Macon, Georgia
- Sep 22 Tomasz Wójtowicz, Polish volleyball player (Olympic gold 1976; World C'ship gold 1974; Legia Warsaw, Santal Parma) and broadcaster, born in Lublin, Poland (d. 2022)
- Sep 27 Benjamin Gene Brown, 4X400 runner (Olympic gold 1976), born in San Francisco, California
- Sep 27 Claudio Gentile, Italian footballer
- Sep 29 Warren Cromartie, American baseball player (Montreal Expos), born in Miami Beach, Florida
About September 1953
How Old? 70 years old
Generation: Baby Boomer
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions