- Sep 1 Boxcar Willie [Travis Martin], American soldier (USAF) and singer ("King of the Road"), born in Ellis County, Texas (d. 1999)
- Sep 3 Rudolf Kelterborn, Swiss composer, conductor (Swiss German RSO, 1974-80), and educator (Basel Music Academy, 1983-94), born in Basel, Switzerland (d. 2021)
- Sep 4 Mitzi Gaynor [Francesca von Gerber], American actress, singer and dancer (Anything Goes, South Pacific), born in Chicago, Illinois
- Sep 7 Charles Camilleri, Maltese composer (Missa Mundi), born in Ħamrun, Malta (d. 2009)
- Sep 8 Marion Brown, American jazz alto saxophonist, (Marion Brown Quartet; John Coltrane -"Ascension"; Artie Schepp), avant garde composer, writer, and ethnomusicologist, born in Atlanta, Georgia (d. 2010)
- Sep 12 George Jones, American country singer-songwriter ("Golden Rings"; "Oh Lonesome Me"), born in Saratoga, Texas (d. 2013)
- Sep 16 Jan Johansson, Swedish jazz pianist, born in Söderhamn, Hälsingland, Sweden (d. 1968)
- Sep 18 Anthony Bowles, British music director (Jesus Christ Superstar; Evita), born in England (d. 1993)
- Sep 19 Brook Benton [Benjamin Franklin Peay], American soul vocalist ("It's Just a Matter of Time"; "Rainy Night in Georgia"), born in Lugoff, South Carolina (d. 1988)
- Sep 22 Nello Santi, Italian opera conductor (Opernhaus Zürich; NY Metropolitan Opera), born in Adria, Veneto, Italy (d. 2020)
- Sep 24 Anthony Newley, British actor and singer-songwriter (Doctor Dolittle; Goldfinger theme; Willy Wonka score), born in London, England (d. 1999)
- Sep 26 George Chambers, American rock bassist and vocalist (Chambers Brothers - "Time Has Come Today"), born in Carthage, Mississippi (d. 2019)
- Sep 27 Freddy Quinn [Franz Nidl], Austrian pop singer and actor, born in Niederfladnitz, Austria
- Sep 28 John Gilmore, American tenor saxophonist (worked with Sun Ra), born in Summit, Mississippi (d. 1995)
About September 1931
How Old? 92 years old
Generation: Silent Generation
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Virgo (Aug 23 - Sep 22), Libra (Sep 23 - Oct 22)
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