- Sep 1 Eli-Mac [Camile Velasco], Filipino-American pop singer (American Idol), born in Makati, Philippines
- Sep 6 Lauren Lapkus, American actress and comedienne (Orange is the New Black), born in Evanston, Illinois
- Sep 7 Alyssa Diaz, American actress (The Rookie), born in Los Angeles, California
- Sep 7 Radhika Apte, Indian actress (Lust Stories), born in Vallore, India
- Sep 8 Yendi Phillips, Jamaican beauty pageant contestant (Miss Jamaica Universe 2010), born in Kingston, Jamaica
- Sep 14 Aya Ueto, Japanese actress and singer, born in Nerima, Tokyo
- Sep 16 Madeline Zima, American actress (The Nanny, Californication), born in New Haven, Connecticut
- Sep 19 Song Joong-ki, South Korean actor (Space Sweepers), born in Daejeon, South Korea
- Sep 21 Joe Wicks, British fitness coach, TV presenter (The Body Coach), and author (Lean in 15), born in Epsom, Surrey, England
- Sep 21 Maryam Hassouni, Dutch actor
- Sep 22 Tatiana Maslany, Canadian actress (Orphan Black), born in Regina, Saskatchewan
Hasan Minhaj (38 years old)
Sep 23 American stand-up comedian (Patriot Act with Hasan Minhaj), born in Davis, California
- Sep 28 Mouni Roy, Indian actress (Brahmāstra: Part One – Shiva), born in Cooch Behar, India
- Sep 29 Candice LeRae, American professional wrestler (WWE), born in Riverside, California
About September 1985
How Old? 38 years old
Generation: Millennial
Leap Year: No