- Sep 3 George Biondo, American rock bass player (Steppenwolf), born in Brooklyn, New York
- Sep 3 Mike Harrison, English keyboardist (Spooky Tooth-It's All About), born in Carlisle, Cumbria, England
- Sep 4 Daniel Wood "Danny" Gatton, American guitarist (88 Elmira St.), born in Washington, D.C. (d. 1994)
- Sep 5 Al Stewart, Scottish rocker (Year of the Cat), born in Glasgow, Scotland
- Sep 6 Petr Novák, Czech musician (George and Beatovens, Flamengo), born in Prague, Czechoslovakia (d. 1997)
- Sep 7 Luis Aravena Munoz, Chilean singer/exiled in Netherlands (d. 1991)
- Sep 8 Kelly Groucutt, English musician (Electric Light Orchestra), born in Coseley, England (d. 2009)
- Sep 8 Ron "Pigpen" McKernan, American rocker (Grateful Dead), born in San Bruno, California (d. 1973)
- Sep 9 Dee Dee Sharp [Dione Larue], American R&B singer (I Love You Anyway), born in Philadelphia, Pennsylvania
- Sep 10 José Feliciano, Puerto Rican singer/songwriter (Light My Fire; Feliz Navidad), born in Lares, Puerto Rico
- Sep 11 Leo Kottke, American guitarist (Ice Water, Greenhouse), born in Athens, Georgia
- Sep 12 John Mauceri, American conductor (Washington, D.C. Opera), born in NYC, New York
- Sep 12 David Garrick [Philip Darryl Core], British singer (Dear Mrs Applebee), born in Liverpool, Merseyside (d. 2013)
- Sep 13 Alain Louvier, French classical composer, born in Paris
- Sep 15 Jessye Norman, American opera singer (Carmen), born in Augusta, Georgia (d. 2019)
- Sep 19 David Bromberg, American musician (Demon in Disguise), born in Philadelphia, Pennsylvania
- Sep 20 Laurie Spiegel, American composer, born in Chicago, Illinois
- Sep 20 Hillard "Sweet Pea" Atkinson, American R&B singer (Was (Not Was)), born in Oberlin, Ohio (d. 2020) [1]
- Sep 23 Ronald Bushy, rock drummer (Iron Butterfly), born in Washington, D.C.
- Sep 24 John Milford Rutter, English composer, conductor, and arranger, mainly of choral music (Mass OfThe Children), born in London.
- Sep 25 Onnie McIntyre, Scottish guitarist (Average White Band - "Pick Up The Pieces"), born in Lennoxtown, Scotland
- Sep 25 Reynold Henry Weidenaar, American video artist and composer, born in East Grand Rapids, Michigan
- Sep 26 Bryan Ferry, English rocker (Roxy Music-Let's Stick Together), born in Washington, County Durham, England
- Sep 26 Gal Costa, Brazilian singer, born in Salvador, Bahia, Brazil
- Sep 27 Misha Dichter, pianist (Tchaikowsy 2nd prize-1966), born in Shanghai, China
- Sep 29 Kyriacos Sfetsas, composer
- Sep 29 Tatiana Tauer, harpist
About September 1945
How Old? 75 years old
Generation: Silent Generation
Leap Year: No