- Sep 1 Natalie Bassingthwaighte, Australian actress (Neighbours), and rock singer (Rough Tarders - "Voodoo Child"), born in Wollongong, New South Wales, Australia
- Sep 1 Omar Rodriguez-Lopez, Puerto Rican guitarist
Mark Ronson (48 years old)
Sep 4 British-American record producer, songwriter and DJ (Uptown Funk), born in London, England
Michael Bublé (48 years old)
Sep 9 Canadian Grammy and Juno Award-winning singer ("Haven't Met You Yet"; "It's A Beautiful Day"), and actor, born in Burnaby, British Columbia
- Sep 11 Mark Klepaski, American bass guitarist (Breaking Benjamin), born in Wilkes-Barre, Pennsylvania
- Sep 13 Joe Don Rooney, American musician (Rascal Flatts), born in Baxter Springs, Kansas
- Sep 17 Constantine Maroulis, American rock singer (American Idol, season 4), born in Brooklyn, New York
- Sep 22 Svilen Noev, Bulgarian singer-songwriter (Ostava)
- Sep 23 Layzie Bone [Steven Howse], American rapper (Bone Thugs-N-Harmony), born in Cleveland, Ohio
- Sep 25 Mariusz Duda, Polish rock bassist and singer (Riverside), born in Wegorzewo, Poland
- Sep 26 Emma Härdelin, Swedish singer (Garmarna and Triakel), born in Krokom, Sweden
- Sep 28 Mandy Barnett, American country singer ("Maybe"; "The Whispering Wind"), born in Crossville, Tennesee
- Sep 29 Nathan Daughtrey, American classical marimba player, composer (Limerick Daydreams), and educator, born in North Carolina
- Sep 30 Georges-Alain Jones, French pop singer ("Embrasse"), born in Saint-Jean-Cap-Ferrat, France
About September 1975
How Old? 48 years old
Generation: Generation X
Leap Year: No
Country Singers
Jazz Musicians
Opera Singers
Pop Stars
Rappers
Rockers