- Sep 1 Kenny Mayne, American sports journalist, broadcaster (ESPN), born in Kent, Washington
- Sep 5 Tom Pernice Jr., American golfer (2 PGA Tour, 6 Champions Tour titles), born in Kansas City, Missouri
- Sep 11 David Frost, South African golfer (10 PGA Tour titles; The Tradition 2013), born in Cape Town, RSA
- Sep 11 Robert Wrenn, American golfer, sportscaster, course designer (ESPN), born in Richmond, Virginia
- Sep 12 Cindy Rarick, American golfer (5 LPGA Tour titles), born in Glenwood, Minnesota
- Sep 14 Hans Richter, German soccer forward (15 caps GDR; FC Karl-Marx-Stadt, 1. FC Lokomotive Leipzig), born in Olbernhau, Germany (d. 2023)
Tim Raines (64 years old)
Sep 16 American Baseball HOF left fielder (7 × MLB All-Star; World Series 1996, 98, 2005; NL batting champion 1986; Montreal Expos, NY Yankees, Chicago WS), born in Sanford, Florida
Ryne Sandberg (64 years old)
Sep 18 American Baseball HOF infielder (10 × MLB All-Star; NL MVP 1984; 9 × Gold Glove Award; Chicago Cubs) and manager (Philadelphia Phillies 2013-15), born in Spokane, Washington
- Sep 20 Lesley Thompson, Canadian rower (Olympic gold 1992, 96), born in Toronto, Ontario
- Sep 25 Andy Waller, Zimbabwean cricket batsman and coach (2 Tests, 39 ODIs), born in Harare, Zimbabwe
- Sep 26 Rich Gedman, American baseball player, born in Worcester, Massachusetts
- Sep 27 Beth Heiden, American 3000m speed skater (Olympic bronze 1980), born in Madison, Wisconsin
- Sep 28 Ron Fellows, Canadian auto racer (24 Hours of Le Mans GTS Class 2002, 02; 4 x NASCAR), born in Windsor, Ontario
- Sep 28 Todd Worrell, American baseball pitcher (MLB All-Star 1988, 95, 96; NL Rookie of the Year 1986; St. Louis Cardinals, LA Dodgers), born in Arcadia, California
- Sep 30 Ettore Messina, Italian basketball coach (Olimpia Milano), born in Catalania, Italy
- Sep 30 Hans Werdekker, Dutch soccer player (Ajax, RKC/Amsterdam Admirals)
About September 1959
How Old? 64 years old
Generation: Baby Boomer
Leap Year: No