- Sep 1 Buck Baker takes lead with 10 laps remaining to win the Southern 500 at Darlington in the most competitive event in NASCAR Grand National history; four drivers swap lead a record 35 times
Baseball Record
Sep 6 Roy Campanella sets record for HRs by a catcher at 38
- Sep 7 Roy Campanella sets catcher record of 125 (en route to 142) RBIs
US Men's Tennis Open
Sep 7 US National Championship Men's Tennis, Forest Hills, NY: Tony Trabert beats fellow American Vic Seixas 6-3, 6-2, 6-3 to win his first of 5 major titles
US Open Women's Tennis
Sep 7 US National Championship Women's Tennis, Forest Hills, NY: In an all-American final Maureen Connolly becomes first female to achieve a Grand Slam; beats Doris Hart 6-2, 6-4
- Sep 12 Brooklyn Dodgers clinch NL pennant earlier than any other team, defeating Milwaukee Braves 5-2. Brooklyn finishes season with record of 105-49.
F1 World Champion
Sep 13 Italian Ferrari driver Alberto Ascari retains Formula 1 World Drivers Championship although forced to retire (engine trouble) in season ending Italian Grand Prix at Monza; wins title by 6.5 points from Juan Manuel Fangio
Sports History
Sep 17 Ernie Banks becomes Chicago Cubs 1st black player
- Sep 20 Cubs Ernie Banks hits his 1st major league HR
Marciano TKOs LaStarza
Sep 24 Rocky Marciano TKOs home town favourite Roland LaStarza in 11 at NYC's Polo Grounds to retain his world heavyweight boxing title