PGA Championship
Sep 2 PGA Championship Men's Golf, Hershey CC: Byron Nelson wins his first PGA C'ship, beating Sam Snead 1 up in the Monday 36-hole final
US Men's Tennis Open
Sep 9 US National Championship Men's Tennis, Forest Hills, NY: Donald McNeill beats fellow American Bobby Riggs 4-6, 6-8, 6-3, 6-3, 7-5 for his second major singles title
US Open Women's Tennis
Sep 9 US National Championship Women's Tennis, Forest Hills, NY: Defending champion Alice Marble beats Helen Jacobs 6-2, 6-3 for her third US singles title
- Sep 15 3rd American Football League plays 1st game (Milw 14, Columbus 2)
- Sep 15 Chicago Tribune sponsors Ted Lyons Day (White Sox pitcher)
Leo Durocher Suspended
Sep 16 Leo Durocher suspended from Ebbetts Field for "inciting a riot"
Floyd Giebells 1st Game
Sep 27 MLB Detroit Tigers rookie pitcher Floyd Giebells throws 2-0 shut-out over Cleveland Indians Bob Feller to clinch the AL pennant at League Park in Cleveland, Ohio
- Sep 27 Yankees, lose to A's & eliminated from pennant for 1st time since 1935
NFL History
Sep 28 Bud Brennan, a fan at Memorial Stadium, races out of stands and attempts to tackle Tom Harmon at 3-yard line, Harmon easily evades
- Sep 28 Michigan's Tom Harmon runs 72, 86 & 94 yard touchdowns