- Sep 2 Yonderboi [László Fogarasi Jr], Hungarian indie-pop composer, music producer (Splendid Isolation), and visual artist, born in Kaposvár, Hungary
- Sep 3 (Jason) "Cone" McCaslin, Canadian punk rock bassist (Sum 41), born in North York, Ontario
- Sep 3 The B.G. [Christopher Dorsey], American rapper, born in New Orleans, Louisiana
- Sep 4 Hitomi Shimatani, Japanese pop singer, born in Kure, Japan
- Sep 6 Kerry Katona, British singer-songwriter (Atomic Kitten), born in Warrington, Cheshire, England
- Sep 10 [Michael] Mikey Way, American musician (My Chemical Romance), born in Kearny, New Jersey
- Sep 12 Gus G., Greek guitarist (Firewind, Dream Evil), born in Thessaloniki, Greece
- Sep 13 Michelle Nolan, American musician (Straylight Run), born in Rockville Centre, New York
- Sep 13 Teppei Teranishi, American guitarist (Thrice), born in California
- Sep 15 Jolin Tsai, Taiwanese pop singer, born in Taipei, Taiwan
- Sep 18 Charles Hedger, British heavy metal guitarist (Cradle of Filth), born in UK
- Sep 19 Sara Quin, Canadian singer and songwriter (Tegan and Sara), born in Calgary, Alberta
- Sep 19 Tegan Quin, Canadian singer and songwriter (Tegan and Sara), born in Calgary, Alberta
- Sep 25 T.I. [Clifford Joseph Harris Jr.], American rapper and actor (Bring Em Out, Dead and Gone), born in Atlanta, Georgia
- Sep 29 Chrissy Metz, American actress and singer (This Is Us), born in Homestead, Florida
- Sep 29 Dallas Green, Canadian musician (Alexisonfire, City and Colour), born in St. Catharines, Ontario
- Sep 29 Maria Huld Markan Sigfúsdóttir, Icelandic composer (Aequora; Kom vinur), born in Iceland
About September 1980
How Old? 43 years old
Generation: Generation X
Leap Year: Yes
Country Singers
Jazz Musicians
Opera Singers
Pop Stars
Rappers
Rockers