- Sep 5 Brad Wilk, American drummer (Audioslave, Rage Against the Machine), born in Portland, Oregon
- Sep 7 Kyle Stevens, American rock guitarist (Bang Tango, 1988-1993; 2019-present - "Dancin' on Coals")
- Sep 10 Big Daddy Kane [Antonio Hardy], American rapper, born in Brooklyn, New York
- Sep 11 Kay Hanley, American singer-songwriter (Letters to Cleo), born in Boston, Massachusetts
- Sep 12 [Reid Laurence] Larry LaLonde, American guitarist (Primus - "Frizzle Fry"), born in Richmond, California
- Sep 13 John Roderick, American indie-rock musician, singer-songwriter (The Long Winters),and podcaster (Omnibus; Friendly Fire), born in Seattle, Washington
- Sep 14 Vincent Ghadimi, Belgian pianist and composer, born in Rocourt, Liège, Belgium
Marc Anthony (55 years old)
Sep 16 American salsa and pop singer-songwriter, born in New York City
- Sep 17 Anastacia [Newkirk], American pop singer ("Left Outside Alone"), born in Chicago, Illinois
- Sep 17 Lord Jamar [Lorenzo Dechalus], American rapper (Brand Nubian), born in The Bronx, New York
- Sep 18 Cappadonna [Darryl Hill], American rapper (Wu-Tang Clan), born in Staten Island, New York
- Sep 19 Paweł Łukaszewski, Polish classical and choral music composer, and music director (Musica Sacra - Warsaw), born in Częstochowa, Poland
- Sep 20 Tim Rogers, Australian singer and songwriter ("You Am I"), born in Kalgoorlie, Western Australia,
- Sep 21 Jon Brookes, English drummer (The Charlatans), born in Burntwood, Staffordshire (d. 2013)
- Sep 21 Trugoy the Dove [David Jolicoeur], American rapper and producer (De La Soul - "Me Myself and I"), born in Brooklyn, New York (d. 2023)
Will Smith (55 years old)
Sep 25 American Grammy Award-winning rapper (DJ Jazzy Jeff & the Fresh Prince - "Parents Just Don't Understand"), and actor (Men in Black, Independence Day; Hitch; Fresh Prince of Bel Air), born in Philadelphia, Pennsylvania
- Sep 28 Bess Singh [Lennart Bes], Dutch pop drummer (Burma Shop-Hippies)
- Sep 29 Alexander Skolnick, American heavy metal and jazz guitarist (Testament; Trans-Siberia Orchestra), born in Berkeley, California
- Sep 29 Luke Goss, English actor (Traffick) and musician (Bros. - "I Owe You Nothing"), born in London, England
- Sep 29 Matt Goss, English singer-songwriter (Bros. - "I Owe You Nothing"), born in London, England
About September 1968
How Old? 55 years old
Generation: Generation X
Leap Year: Yes