- Sep 2 Angelo Fusco, Provisional Irish Republican Army member
- Sep 2 Mario Tremblay, Canadian ice hockey right wing (Montreal Canadiens 852 games) and coach (Montreal Canadiens 1985-87), born in Alma, Quebec
- Sep 3 Hans-Georg Beyer, East German team handball player (Olympic gold 1980), born in Eisenhüttenstadt, Germany
- Sep 3 Patrick McGeown, Irish IRA member, born in Belfast, Northern Ireland (d. 1996)
- Sep 4 Blackie Lawless [Steven Duren], American heavy metal singer and guitarist (W.A.S.P.), born in Staten Island, New York
- Sep 5 Roine Stolt, Swedish guitarist (The Flower Kings), born in Uppsala, Sweden
- Sep 5 Sandra Guibord, German actress (Donna-One Life to Live), born in West Germany
- Sep 5 Steve Denton, American tennis player (world's fastest tennis serve-138 mph), born in Kingsville, Texas
- Sep 6 Bill Ritter, American politician (41st Governor of Colorado), born in Denver, Colorado
- Sep 7 Byron Stevenson, British footballer (Leeds United), born in Llanelli, Wales (d. 2007)
- Sep 7 Diane Warren, American songwriter ("Music of My Heart"; "If I Could Turn Back Time"), born in Van Nuys, California
- Sep 7 Michael Feinstein, American jazz pianist, singer and Gershwin-ophile ("Isn't It Romantic"), born in Columbus, Ohio
- Sep 8 "Wild" Mick Brown, American rock drummer (Dokken; Ted Nugent), born in San Mateo, California
- Sep 8 David Carr, American journalist (New York Times), born in Minneapolis, Minnesota (d. 2015)
- Sep 8 Frank Tovey, British musician (Fad Gadget), born in London (d. 2002)
- Sep 8 Maurice Cheeks, American NBA guard (NY Knicks, Philadelphia '76ers), born in Chicago, Illinois
- Sep 9 Anatoli Pavlovich Artsebarsky, Russian colonel and cosmonaut (Soyuz TM-12)
- Sep 9 Avi Wigderson, Israeli mathematician and computer scientist (2023 Turing Prize for randomness), born in Haifa, Israel
- Sep 10 Johnny Fingers [John Moylett], Irish rocker (Boomtown Rats - "I Don't Like Mondays"), born in Dublin, Ireland
- Sep 10 Johnny Hickman, American rock guitarist (Cracker), born in Redlands, California
- Sep 11 Tony Gilroy, American screenwriter and director (Bourne), born in Manhattan, New York
- Sep 12 Barry Andrews, British rock musician (XTC; League of Gentlemen; Shreikback), born in West Norwood, London
- Sep 12 Chip Beck, American golfer (US Open 1986, 89, Masters 1993 runner-up; shot 59 in 1991), born in Fayetteville, North Carolina
- Sep 12 Leslie Cheung, Hong Kong actor, singer and composer (Farewell My Concubine), born in Hong Kong (d. 2003)
- Sep 12 Ricky Rudd, American auto racer (NASCAR Winston Cup Series Rookie of the Year 1977; IROC Champion 1992; Brickyard 400 1997, born in Norfolk County, Virginia
- Sep 12 Sam Brownback, American attorney and politician (46th Governor of Kansas), born in Garnett, Kansas
- Sep 13 (Joan) "Joni" Sledge, American vocalist (Sister Sledge "We Are Family"), born in Philadelphia, Pennsylvania (d. 2017)
- Sep 13 Alain Ducasse, French-born Monégasque chef, born in Orthez, France
- Sep 13 David Mansfield, American session and touring fiddler, guitarist, mandolin player (Bob Dylan; The Alpha Band; Buce Hornsby and The Range), and film score composer, born in Leonia, New Jersey
- Sep 13 Oribe Canales, Cuban American celebrity hairdresser, born in Havana, Cuba (d. 2018)
- Sep 14 Kostas Karamanlis, Greek politician (Prime Minister of Greece 2004-09), born in Athens, Greece
- Sep 14 Lefteris Zagoritis, Greek lawyer and politician, born in Rhodes, Greece
- Sep 14 Ray Wilkins, English soccer midfielder (84 caps; Chelsea, Manchester Utd, AC Milan, Rangers, QPR) and manager (QPR, Fulham, Jordan), born in Hillingdon, England (d. 2018)
- Sep 15 George Howard, American smooth jazz saxophonist (Dream Ride), born in Philadelphia, Pennsylvania (d. 1998)
- Sep 15 Jaki Graham, British R&B singer-songwriter ("Could It Be I'm Falling In Love"), born in Birmingham, England
- Sep 15 Maggie Reilly, Scottish folk singer, born in Moodiesburn, Scotland
- Sep 15 Ned Rothenberg, composer and multi-instrumentalist, born in Boston, Massachusetts
- Sep 15 Tawny Little (née Godin), American beauy queen (Miss American, 1976), news anchor, and actress, born in Portland, Maine
- Sep 16 Anatoly Beloglazov, Russian 52 kg freestyle wrestler (Olympic gold 1980), born in Kaliningrad, Russia
- Sep 16 Charles Fearing, American touring and session guitarist, songwriter (Raydio), and producer, born in the USA
- Sep 16 Dave Blood [Schulthise], American rock bassist (The Dead Milkmen - "Punk Rock Girl"), born in Ridley Park, Pennsylvania (d. 2004)
- Sep 16 Kevin R. Kregel, American pilot and astronaut (STS 70, 78, 87), born in Amityville, New York
- Sep 16 Marcelo Campo, Argentine rugby union winger (20 Tests Argentina, 6 South America; Pueyrredón SC), born in Quilmes, Argentina (d. 2021)
- Sep 16 Mark Daniel Gearan, American campaign manager (Al Gore), born in Gardner, Massachusetts
- Sep 16 Nick Banton, founder of Body Positive (d. 1994)
- Sep 16 Peter Zaremba, American rocker (Fleshtones), born in Queens, New York
- Sep 16 Sergei Beloglazov, Russian 57 kg freestyle wrestler (Olympic gold 1980, 88), born in Kaliningrad, Russia
- Sep 17 Brian Andreas, American writer, sculptor, painter and publisher
- Sep 17 Thad Bosley. American major league baseball player, born in Oceanside, California
- Sep 18 Chris Hedges, American journalist and author (War Is a Force That Gives Us Meaning), born in St. Johnsbury, Vermont
Peter Šťastný (67 years old)
Sep 18 Slovak-Canadian Hockey HOF center (2nd-highest NHL scorer 1980s, after Wayne Gretzky; World C'ship gold 1976, 77; Canada Cup gold 1984; Quebec Nordiques, NJ Devils, St. Louis Blues), born in Bratislava, Slovakia
- Sep 18 Tim McInnerny, British stage, screen, and radio actor (Blackadder; Notting Hill), born in Cheadle Hulme, Cheshire, England
- Sep 19 Juan Manuel Fangio II, Argentine racing driver, born in Balcarce, Buenos Aires, Argentina
- Sep 19 Lenny Castro, American session and touring percussionist (Melissa Manchester; Toto; Eric Clapton; The Crusaders), born in New York City
- Sep 20 Debi Morgan, American actress (All My Children, Cry Uncle), born in Dunn, North Carolina
- Sep 20 Gary Cole, American actor (Pineapple Express, Midnight Caller), born in Park Ridge, Illinois
- Sep 21 Jack Givens, American basketball player
- Sep 21 Marta Kauffman, American television producer (Friends; Grace and Frankie), born in Philadelphia, Pennsylvania
- Sep 22 David Krakauer, American Grammy Award-winning klezmer, jazz and classical clarinetist (Klezmer Madness!), born in New York City
- Sep 22 Debby Boone, American singer (You Light Up My Life), born in Hackensack, New Jersey
- Sep 22 Masayuki Suzuki, Japanese singer (Rats & Star), known as Japan's 'King of Love Songs', born in Ota City, Tokyo, Japan
- Sep 23 June Forester, American country singer (Forester Sister - "Mama's Never Seen Those Eyes"; "Men"), born in Lookout Mountain, Georgia
- Sep 23 Lili Carati, Miss Italy 1975 and actress (Alcove), born in Varese, Italy (d. 2014)
- Sep 23 Maren Jensen, American actress (Battlestar Galactica - "Athena"), born in Arcadia, California
- Sep 23 Paolo Rossi, Italian soccer striker (48 caps; FIFA World Cup 1982 [Golden Boot, Golden Ball]; L.R. Vicenza, Juventus), born in Prato, Italy (d. 2020)
- Sep 23 Peter David, American writer
- Sep 24 Ilona Slupianek, German shot-putter (Olympic gold 1980), born in Demmin, East Germany
- Sep 25 Jamie Hyneman, American visual effects technician (MythBusters), born in Marshall, Michigan
Linda Hamilton (67 years old)
Sep 26 American actress (Beauty & the Beast, Terminator films), born in Salisbury, Maryland
- Sep 26 Steve Butler, American auto racer (USAC Silver Crown Champion 1988, 92; USAC Sprint Car Champion 1986, 87, 88, 90), born in Amarillo, Texas
- Sep 28 Bob Miller, American ice hockey center (47 games USA; Boston Bruins, Colorado Rockies, LA Kings), born in Medford, Massachusetts (d. 2020)
- Sep 29 James Donald Halsell Jr, American retired USAF officer and astronaut (STS 65, 74, 83, 94), born in West Monroe, Louisiana
Sebastian Coe (67 years old)
Sep 29 British 1500m runner (Olympic gold 1980, 84), born in London, England
- Sep 29 Suzzy Roche, American singer (The Roches), writer and actress, born in Park Ridge, New Jersey
- Sep 30 Maria Esmeralda, Belgian princess, daughter of Leopold III and Lilian Baels
About September 1956
How Old? 67 years old
Generation: Baby Boomer
Leap Year: Yes
Year of the Rabbit
Year of the Dragon
Year of the Snake
Year of the Horse
Year of the Goat/Sheep
Year of the Monkey