US Men's Tennis Open
Sep 10 US National Championship Men's Tennis: Englishman Fred Perry robs Australian Jack Crawford of his Grand Slam chance; wins final 6-3, 11-13, 4-6, 6-0, 6-1
- Sep 11 Antwerps Sportpaleis, the largest indoor arena in Europe opens; renovated 2010-13
- Sep 19 NY Giants clinch the pennant
- Sep 20 Pittsburgh Steelers (as Pirates) play 1st NFL game, lose 23-2
- Sep 23 MLB New York Yankees commit 5 errors (3 by shortstop Frankie Crosetti), but beat Red Sox 16-12 at Fenway Park, Boston