- Sep 1 A magnitude 7.9 earthquake strikes Tokyo and Yokohama in Japan, killing 142,000 people
- Sep 3 International Lawn Tennis Challenge, New York: Bill Tilden & Bill Johnston win their final singles matches to give US 4-1 win over Australia; 4th straight Challenge victory
- Sep 3 Dorothys Donelly's "Poppy" premieres in NYC
- Sep 4 A Charlot & N Coward's revue "London Calling" premieres in London
- Sep 4 New York Yankees pitcher 'Sad Sam' Jones no-hits Philadelphia A's, 2-0
- Sep 4 Maiden flight of the first U.S. airship, the USS Shenandoah.
- Sep 5 Flyweights Gene LaRue & Kid Pancho KO each other simultaneously
- Sep 6 Queen Wilhelmina of the Netherlands celebrates her silver jubilee
- Sep 7 Boston Red Sox Howard Ehmke no-hits Philadelphia A's, 4-0
- Sep 7 Interpol forms in Vienna
- Sep 7 Mary Katherine Campbell (Ohio), 16, crowned 2nd Miss America 1922-23
- Sep 8 Honda Point Disaster: nine US Navy destroyers run aground off the California coast. Seven are lost.
- Sep 9 Albin Stenroos runs world record 20 km (1:07:11.2)
- Sep 10 Irish Free state joins League of Nations
- Sep 11 After a single, Red Sox Howard Ehmke retires next 27 Yanks
- Sep 11 Bernie Neis, hits the 1,000th Dodger home run
- Sep 11 ZR-1 (biggest active dirigible) flies over NY's tallest skyscraper, Woolworth Tower
- Sep 12 Britain takes over Southern Rhodesia from British South Africa Co
- Sep 13 With Spain's king Alfonso XIII assist, army coup under de Rivera
Boxing Title Fight
Sep 14 Jack Dempsey KOs Luis Firpo in 2 for heavyweight boxing title
Jack Dempsey
- Sep 14 Miguel Primo de Rivera becomes dictator of Spain
- Sep 14 Red Sox 1st baseman George Burns pulls off an unassisted triple play
- Sep 15 Governor Walton of Oklahoma declares state of siege because of Ku Klux Klan terror
- Sep 15 US Men's National Tennis Championship, Germantown Cricket Club, Philadelphia: Bill Tilden wins 4th straight US title; beats Bill Johnston 6-4, 6-1, 6-4
- Sep 17 Sutton Vane's "Outward Bound," premieres in London
- Sep 19 Ernst Tollers "Hinkemann," premieres in Leipzig
- Sep 23 80,000 demonstrate in Amsterdam against Fleet law
- Sep 26 Stresemann government ends resistance against occupiers in Ruhrgebied
- Sep 26 The Commonwealth Conference is held in London, where Britain recognizes the right of the Dominions to make treaties with foreign powers
- Sep 27 Italian troops leave occupied Corfu
Baseball Record
Sep 27 NY Yankee Lou Gehrig hits 1st of his 493 HRs
Lou Gehrig
- Sep 28 Abyssinia (Ethiopia) leaves League of Nations
- Sep 28 Radio Times 1st published
- Sep 28 Yanks slaughter Red Sox 24-4
- Sep 29 6th PGA Championship: Gene Sarazen at Pelham CC Pelham NY
- Sep 29 Steinhart Aquarium in Golden Gate Park opens to public
- Sep 30 Canton Bulldogs win 1st on way to 17-0 season