Events in Sport
- Sep 10 International Lawn Tennis Challenge, Philadelphia, PA: Vincent Richards & R. Norris Williams clinch US 7th straight title; beat Jacques Brugnon & Henri Cochet of France 6-4, 6-4, 6-2 for 3-0 lead; ends 4-1
- Sep 11 21st Davis Cup: USA beats France in Philadelphia (4-1), for their 7th straight championship
- Sep 11 Yanks' Bob Meusel ties record with 3 sacrifice flies
- Sep 16 St Louis Cards beat Phillies 23-3
- Sep 18 US National Championship Men's Tennis: Frenchman René Lacoste wins first of 2 straight US titles; beats countryman Jean Borotra 6-4, 6-0, 6-4
Boxing Title Fight
Sep 23 "Upset of the Decade" - Gene Tunney beats defending champion Jack Dempsey by 10-round unanimous decision at Sesquicentennial Stadium, Philadelphia for world heavyweight boxing title
PGA Championship
Sep 25 PGA Championship Men's Golf, Salisbury GC: Walter Hagen defeats Leo Diegel, 5 & 3 in the final to win his 3rd consecutive PGA C'ship title
Birthdays in Sport
- Sep 1 Pat O'Sullivan, American golfer (Titleholders Championship 1951), born in Orange, Connecticut (d. 2019)
- Sep 3 Bill Flemming, American journalist and sportscaster (ABC's Wide World of Sports), born in Chicago, Illinois (d. 2007)
- Sep 4 Bert Olmstead, Canadian Hockey HOF left wing (Stanley Cup, Montreal Canadiens 1953, 56, 57, 58; Toronto Maple Leafs 1962), born in Sceptre, Saskatchewan (d. 2015)
- Sep 4 Dennis Murphy, American sports entrepreneur (co-founder American Basketball Ass'n, World Hockey Ass'n, original World Team Tennis, Roller Hockey International), born in Shanghai, China (d. 2021)
- Sep 7 Erich Juskowiak, German footballer, born in Oberhausen, Germany (d. 1983)
- Sep 11 Alfred Slote, American children's books author (Love & Tennis, Omega Station), born in Brooklyn, New York
- Sep 11 Eddie Miksis, American baseball player, born in Burlington, New Jersey (d. 2005)
- Sep 13 Emile Francis, NHL player, coach and general manager (Rangers, Blues, Whalers), born in North Battleford, Saskatchewan, Canada
- Sep 18 Bud Greenspan, American documentary maker (Olympic Games; IOC Olympic Order award 1985), born in NYC, New York (d. 2010)
- Sep 18 Bob Toski, American golfer, instructor (PGA Tour leading money winner 1954), born in Haydenville, Massachusetts
- Sep 19 Duke Snider, American Baseball Hall of Fame outfielder (8 x MLB All Star; World Series 1955, 59; Brooklyn / LA Dodgers), born in Los Angeles, California (d. 2011)
- Sep 25 Sergei Filatov, Soviet equestrian dressage (Olympic gold 1960), born in Lysyye Gory, Tambov Governorate (d. 1997)
- Sep 30 Robin Roberts, American Baseball Hall of Fame pitcher (7 x MLB All Star; won 28 consecutive complete games 1952-53; Philadelphia Phillies), born in Springfield, Illinois (d. 2010)