Lindbergh Visits Idaho
Sep 4 Charles Lindbergh visits Boise, Idaho, on his cross-country tour
Tony Lazzeri Day
Sep 9 Tony Lazzeri Day at Yankee Stadium
International Lawn Tennis Challenge
Sep 10 International Lawn Tennis Challenge, Philadelphia, PA: Henri Cochet beats Bill Johnson 6-4, 4-6, 6-2, 6-4 to clinch a 3-2 win for France and break 7 title US win streak
US Men's Tennis Open
Sep 17 US National Championship Men's Tennis, Forest Hills NY: Frenchman Rene Lacoste successfully defends title; beats Bill Tilden 11-9, 6-3, 11-9
The Long Count Fight
Sep 22 "The long count" - in a famous boxing rematch, Gene Tunney beats Jack Dempsey by 10-round unanimous decision at Soldiers Field, Chicago to retain world heavyweight title; crowd 104,943; gate $2,858,660
- Sep 22 New York Yankees Earle Coombs hits 3 triples
- Sep 24 New York Yankees set a record of 106 victories
- Sep 24 NHL's Toronto St Patricks become Maple Leafs
- Sep 29 Yankees slugger Babe Ruth ties MLB record by hitting grand slams in consecutive games; New York's 7-4 win v Philadelphia A's and 15-4 rout of Washington Senators
- Sep 30 Yankees slugger Babe Ruth smacks his MLB record 60th home run off Tom Zachary in 8th inning of New York's 4-2 win over Washington Senators at Yankee Stadium