- Sep 3 Iman Vellani, Pakistani-Canadian actress (Ms Marvel), born in Karachi, Pakistan
- Sep 5 Nils Einár Grönberg, Swedish rapper ("Första klass"; "Katten i trakten"), born in Stockholm, Sweden (d. 2021)
- Sep 6 Asher Angel, American actor (Andi Mack; Shazam!), born in Phoenix, Arizona
- Sep 6 Leylah Fernandez, Canadian tennis player (US Open 2021 runner-up), born in Montreal, Quebec
- Sep 8 Gaten Matarazzo, American actor (Stranger Things), born in Little Egg Harbor Township, New Jersey
- Sep 27 Jenna Ortega, American actress and scream queen (The Fallout, Wednesday), born in Coachella Valley, California
- Sep 29 Chloe Moriondo, American indie rock singer-songwriter, born in Detroit, Michigan
Maddie Ziegler (20 years old)
Sep 30 American dancer, actress and model, born in Pittsburgh, Pennsylvania
About September 2002
How Old? 20 years old
Generation: Generation Z
Leap Year: No