Bradman Scores 149no
Sep 4 Australian cricket super-batsman Don Bradman scores 149 not out in just 104 minutes (17 fours, 4 sixes) in drawn tour match v England XI at Folkestone
Jet Stream Discovered
Sep 5 American pilot Wiley Post discovers the jet stream while flying at high altitude near Chicago
- Sep 8 Luxury passenger ship Morro Castle bound for New Jersey catches fire, 133 die
- Sep 12 "L'Atalante", French film directed by Jean Vigo, starring Michel Simon, Dita Parlo and Jean Dasté, is released
- Sep 12 Estonia, Latvia and Lithuania signs Baltic Entente, against USSR
US Men's Tennis Open
Sep 12 US National Championship Men's Tennis, Forest Hills, NY: Englishman Fred Perry retains title; beats Wilmer Allison of the US 6-4, 6-3, 1-6, 8-6
World Series Rights Deal
Sep 13 MLB Commissioner Kenesaw Mountain Landis sells World Series broadcast rights to Ford for $100,000
- Sep 17 USSR joins League of Nations (Netherland, Switzerland & Portugal vote no)
- Sep 18 St Louis Brown Bobo Newsom loses no-hitter to Boston in 10, 2-1
- Sep 18 USSR admitted to League of Nations
- Sep 19 Bruno Haptmann arrested for kidnapping Lindbergh baby
- Sep 21 St Louis Cardinals pitching Dean brothers shut-out Brooklyn Dodgers in a doubleheader; Dizzy, in a 13-0 rout and Paul, with a 3-0 no-hitter
- Sep 21 Typhoon strikes Honshu Island Japan, kills 4,000
- Sep 22 An explosion takes place at Gresford Colliery in Wales, leading to the deaths of 266 miners and rescuers
- Sep 24 Idle Detroit wins pennant, as Red Sox beat Yankees 5-0
The Distaff Side
Sep 25 John Van Druten's comedy play "The Distaff Side" premieres in NYC
Lou Gehrig's 1,500th Game
Sep 25 Lou Gehrig plays in his 1,500th consecutive game
- Sep 25 Rainbow (US) beats Endeavour (England) in 16th America's Cup
- Sep 26 British ocean liner RMS Queen Mary is launched; "wins" Blue Riband for fastest passenger crossing of Atlantic, 1936 & 1938-52; retired in 1967, permanently moored and converted to a hotel in Long Beach, California
Judge Priest
Sep 28 "Judge Priest" film directed by John Ford, starring Will Rogers is released