- Sep 2 Ishmeet Singh Sodhi, Indian Playback Singer (d. 2008)
- Sep 8 Wiz Khalifa [Cameron Thomaz] American rapper (See You Again), born in Minot, North Dakota
Avicii
Sep 8 Avicii [Tim Bergling], Swedish musician, DJ, remixer and record producer (Levels, Wake Me Up, Sunshine), born in Stockholm, Sweden (d. 2018)

Avicii
- Sep 15 Chetan Ramlu, New Zealand musician
- Sep 21 Jason Derulo, American singer-songwriter (Whatcha Say, Wiggle), and dancer, born in Miramar, Florida
- Sep 29 Adore Delano [Daniel Noriega], American drag queen, singer-songwriter, actor and TV performer (RuPaul's Drag Race), born in Azusa, California
About September 1989
How Old? 31 years old
Generation: Millennial
Leap Year: No