- Sep 1 Bianca Ryan, American pop singer and songwriter, 1st winner of "America's Got Talent", born in Ocean City, New Jersey
- Sep 1 Carlos Sainz Jr., Spanish Formula One racing driver, born in Madrid, Spain
- Sep 1 Kyōhei Sorita, Japanese classical pianist, born in Tokyo, Japan
- Sep 1 Matt Fitzpatrick, English golfer (US Open 2022; U.S. Amateur 2013; British Masters 2015), born in Sheffield, England
- Sep 7 Kento Yamazaki, Japanese actor (Alice in Borderland), born in Tokyo, Japan
- Sep 8 Bruno Fernandes, Portuguese attacking midfielder (Sporting CP, Manchester United), born in Maia, Portugal
- Sep 11 Ei Thinzar Maung, Burmese politician and activist, born in Burma
- Sep 12 Elina Svitolina, Ukrainian tennis player (WTA Finals champion 2018), born in Odessa, Ukraine
- Sep 12 RM [Kim Nam-joon], South Korean rapper (BTS), born in Ilsan, South Korea
- Sep 15 Wout van Aert, Belgium cyclist, born in Herentals, Flanders
- Sep 17 Taylor Ware, American yodeler and country music singer, born in Franklin, Tennessee
- Sep 19 Alex Etel, British actor (From Time to Time), born in Machester, England
- Sep 22 Carlos Correa, Puerto Rican MLB player (Minnesota Twins), born in Ponce, Puerto Rico
- Sep 25 Jansen Panettiere, American actor (How High 2), born in Palisades, New York (d. 2023)
- Sep 26 Marcell Jacobs, Italian athlete (Olympic gold men's 100m, 4×100m relay 2020; first Italian to win the event), born in El Paso, Texas
- Sep 29 Halsey [Ashley Frangipane], American singer-songwriter (Without Me), born in Edison, New Jersey
About September 1994
How Old? 29 years old
Generation: Millennial
Leap Year: No