- Sep 1 Indian state of Tripura becomes a territory
- Sep 1 KELP (now KCOS) TV channel 13 in El Paso, TX (PBS) begins broadcasting
- Sep 2 Collapse of a rail bridge under a train kills 120 (India)
- Sep 2 Orioles trailing Red Sox 8-0 come back to win 11-10 in 9 innings
- Sep 2 San Francisco cable line replaced by bus service
- Sep 2 7th Formula One WDC: Juan Manuel Fangio wins by three points
- Sep 3 Tanks are deployed against racist demonstrators in Clinton, Tennessee
- Sep 5 20 die in a train crash in Springer NM
- Sep 7 Bell X-2 sets Unofficial manned aircraft altitude record 126,000'+
- Sep 8 Harry Belafonte's album "Calypso" goes #1 & stays #1 for 31 weeks
- Sep 9 African Party for Liberation of Guinea-Bissau & Cape Verde forms
TV Show Appearance
Sep 9 Elvis Presley appears on the Ed Sullivan Show for the 1st time
Elvis Presley
Tennis Open
Sep 9 76th U.S. Men's National Championship: Ken Rosewall beats Lew Hoad (4-6, 6-2, 6-3, 6-3)
Ken Rosewall
Lew Hoad
- Sep 9 70th U.S. Women's National Championship: Shirley Fry Irvin beats Althea Gibson (6-3, 6-4)
- Sep 10 Great Britain performs nuclear test at Maralinga, Australia
- Sep 10 Louisville Ky public schools integrates
- Sep 10 WSYE (now WETM) TV channel 18 in Elmira-Corning, NY (NBC) 1st broadcast
- Sep 11 Cincinnati Red Frank Robinson ties rookie record with his 38th HR
- Sep 11 Vladimir Kuts runs world record 10k (28:42.8)
Baseball Record
Sep 11 Yanks Yogi Berra ties career record for HRs (236) by a catcher
Yogi Berra
- Sep 12 Black students enter & are barred from Clay Ky elementary school
- Sep 13 Dike around Dutch polder Eastern Flevoland closes
- Sep 13 Stravinsky's "Canticum Sacrum," premieres in Venice
- Sep 13 IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton
- Sep 14 1st prefrontal lobotomy performed in Washington, D.C.
- Sep 16 Marlene Bauer wins LPGA Clock Golf Open
- Sep 17 Black students enter Clay Ky elementary school
- Sep 17 Yanks clinch pennant #22 on Mantle's 50th homer of year
- Sep 17 Television is first broadcast in Australia.
Baseball Record
Sep 18 Mickey Mantle is 8th to hit 50 HRs in a seaon
Mickey Mantle
- Sep 19 1st international conference of black writers & artists meets (Sorbonne)
- Sep 21 Yanks set dubious record, stranding 20 men on base Mantle hits a 500' plus homer but Red Sox win 13-9 in Fenway
- Sep 25 First transatlantic telephone cable goes into operation from Newfoundland to Oban
- Sep 25 Brooklyn Dodger Sal Maglie no-hits Philadelphia Phillies, 5-0
- Sep 28 "Johnny Carson Show" TV Variety last airs on CBS-TV
- Sep 28 RCA Records reports Elvis Presley sold over 10 million records
- Sep 29 "I Love Mickey" by Mickey Mantle & Teresa Brewer peaks at #87
- Sep 29 "Oh! Susanna" debuts on CBS-TV
- Sep 29 Yanks Mickey Mantle hits his 52nd HR of season
- Sep 30 Phillies Robin Roberts gives up a major league record 46th HR
- Sep 30 White Sox Jim Derrington, 16, is youngest to start a game (he loses)