Events in Sport
- Sep 2 US National Championship Men's Tennis, Forest Hills NY: Bill Tilden wins 5th straight US singles title; beats Bill Johnston for 3rd consecutive year 6-1, 9-7, 6-2
- Sep 10 Giants rip Braves 22-1, Frisch goes 6-for-6 before grounding out
- Sep 12 International Lawn Tennis Challenge, Philadelphia, PA: Bill Johnston & Bill Tilden clinch US 5th straight title beating Australians Pat O'Hara Wood & Gerald Patterson 5-7, 6-3, 6-4, 6-1 for 3-0 lead; ends 5-0
- Sep 13 19th Davis Cup: USA beats Australia in Philadelphia (5-0)
Event of Interest
Sep 14 Walter Johnson selected as the American League MVP

Walter Johnson
PGA Championship
Sep 20 PGA Championship Men's Golf, French Lick CC: 1921 champion Walter Hagen beats Englishman Jim Barnes 2-up in the final

Walter Hagen

Jim Barnes
- Sep 20 Carl Mays is 1st pitcher to win 20 games seasons for 3 different teams
- Sep 20 Cub's Grover Cleveland Alexander beats NY Giants to win 300th game
- Sep 25 Malcolm Campbell sets world auto speed record at 146.16 miles per hour
- Sep 29 Senators clinch pennant, finishing 2 games in front of Yankees
Birthdays in Sport
Tom Landry
Sep 11 Tom Landry, American NFL player (NY Giants) and coach (Dallas Cowboys), born in Mission, Texas (d. 2000)

Tom Landry
- Sep 14 Jerry Coleman, American MLB 2nd baseman, born in San Jose, California (d. 2014)
- Sep 22 Norvel la Follette Ray Lee, lt-HW boxer (Olympic gold 1952)
- Sep 24 Sammy Guillen, West Indian cricket wicket-keeper (5 Tests West Indies & 3 Tests New Zealand), born in Port-of-Spain, Trinidad & Tobago (d. 2013)
- Sep 24 Nina Bocharova, Soviet-Ukrainian gymnast (Olympic gold balance beam, team 1952), born in Suprunivka, Ukraine (d. 2020)