- Sep 5 Bob Cato, American photographer, graphic artist and Grammy Award-winning album cover designer (Columbia Records; United Artists), born in New Orleans, Louisiana (d. 1999)
- Sep 6 William Kraft, American timpanist, percussionist (Los Angeles Percussion Ensemble), conductor, and composer (The Demise of Suriyodhaya; Avalanche), born in Chicago, Illinois (d. 2022)
- Sep 7 Madeleine Dring, British composer and pianist, born in Harringay, England (d. 1977)
- Sep 8 Artie Anton, American jazz drummer, conguero, and timbalero (Stan Kenton, Jimmy Guiffre), born in New York City (d. 2003)
- Sep 8 Wilbur Ware, American jazz double bassist (Riverside Records; Thelonious Monk; Sonny Rollins), included in photographer Art Kane's photo "A Great Day In Harlem", born in Chicago, Illinois (d. 1979)
- Sep 12 Julie Mandell, American pop and theatre songwriter, and classical composer (The Pious Cat), born in New York City
- Sep 15 Anton Heiller, Austrian organist and composer, born in Vienna, Austria (d. 1979)
- Sep 15 Arvell Shaw, American jazz double-bassist (Louis Armstrong; Teddy Wilson), born in St. Louis, Missouri (d. 2002)
- Sep 15 David Kraehenbuehl, American composer (March of the Trolls), pianist, teacher (Yale), and music theorist (Journal of Music Theory), born in Champaign-Urbana, Illinois (d. 1997)
Hank Williams (1923-1953)
Sep 17 American country singer-songwriter ("Cold Cold Heart"; "Hey, Good Lookin'"; "Your Cheatin' Heart"), born in Mount Olive, Alabama
- Sep 24 Theodore "Fats" Navarro, American jazz trumpet player, born in Key West, Florida (d. 1950)
- Sep 25 Sam Rivers, American jazz and avant garde saxophonist, flutist, composer, and bandleader, born in El Reno, Oklahoma (d. 2011)
- Sep 27 Mary McCarty, American singer, dancer, stage and screen actress (Babes in Toyland; All That Jazz;, Trapper John, M.D.), born in Winfield, Kansas (d. 1980)
About September 1923
How Old? 100 years old
Generation: Greatest Generation
Leap Year: No
Country Singers
Jazz Musicians
Opera Singers
Pop Stars
Rappers
Rockers