- Sep 1 Gaël Monfils, French tennis player (world #6 2016; 10 x ATP career titles), born in Paris, France
Shaun White (36 years old)
Sep 3 American snowboarder (Olympic gold: 2006, 2010, 2018), born in San Diego, California
- Sep 4 James Younghusband, Philippine footballer, born in Ashford, United Kingdom
- Sep 7 Colin Delaney, American professional wrestler, born in Rochester, New York
- Sep 7 Jodie Turner-Smith, English actress (Nightflyers), born in Peterborough, England
- Sep 7 Spectacular Blue Smith, American hip-hop and R&B singer and musician (Pretty Ricky), and social media entrepreneur (Adwizar), born in Miami, Florida
- Sep 8 João Moutinho, Portuguese footballer, born in Barreiro, Portugal
- Sep 8 Matt Grothe, American football player, born in Lakeland, Florida
- Sep 9 Justice Chibhabha, Zimbabwean cricketer, born in Masvingo, Zimbabwe
- Sep 9 Luc Richard Mbah a Moute, Cameroonian basketball player, born in Yaounde, Cameroon
- Sep 10 Hiroki Uchi, Japanese Idol singer, model and actor, born in Habikino, Japan
- Sep 11 Chiliboy Ralepelle, South African rugby player, born in Tzaneen, South Africa
- Sep 12 Alfie Allen, English actor (Game of Thrones), born in London, England
- Sep 12 Emmy Rossum, American actress and singer, born in NYC, New York
- Sep 12 Yang Mi, Chinese actress (Eternal Love), born in Xuanwu District, Beijing, China
- Sep 13 Kamui Kobayashi, Japanese racing driver, born in Amagasaki, Hyōgo, Japan
- Sep 13 Sean Williams, American basketball player, born in Houston, Texas
- Sep 14 A.J. Trauth, American actor (Even Stevens), born in Chicago, Illinois
- Sep 14 Ai Takahashi, Japanese singer (Morning Musume), born in Sakai, Fukui Prefecture, Japan
- Sep 14 Alan Sheehan, Irish footballer (Luton Town), born in Athlone, Ireland
- Sep 15 Heidi Montag, American reality television star (The Hills), born in Crested Butte, Colorado
- Sep 15 Jenna Marbles, American YouTuber, born in Rochester, New York
- Sep 16 Kyla Pratt, American actress and musician (The Proud Family), born in Los Angeles, California
- Sep 17 Dimitrios Regas, Greek sprinter
- Sep 17 Landry Mulemo, Belgian footballer
- Sep 18 Keeley Hazell, British model, born in London, England
- Sep 19 Gerald Ciolek, German professional road racing cyclist, born in Cologne, Germany
- Sep 19 Ken Gushi, Japanese racing driver, born in Okinawa, Japan
- Sep 19 Peter Vack, American voice actor, born in NYC, New York
- Sep 21 Faris Badwan, English vocalist (The Rotters; The Horrors; Cat's Eye), born in Bexley, Kent, England
- Sep 22 Lido Pimienta, Colombian-Canadian Latin-synth-pop musician, singer, and songwriter (Miss Columbia), born in Barranquilla, Colombia
- Sep 23 Martin Cranie, English footballer
- Sep 24 Leah Dizon, American model, singer and Japanese television personality, born in Las Vegas, Nevada
- Sep 26 Ashley Leggat, Canadian actress, born in Hamilton, Canada
- Sep 27 Ricardo Risatti, Argentine racing driver
- Sep 28 Andrés Guardado, Mexican soccer midfielder (158 caps; Deportivo La Coruña, Valencia, PSV), born in Guadalajara, Jalisco
- Sep 29 Mark Fraser, Canadian ice hockey player, born in Ottawa, Ontario
- Sep 30 Ben Lovett, British folk-rock musician and producer (Mumford & Sons), born in Cardiff, Wales
- Sep 30 Olivier Giroud, French footballer (AC Milan), born in Chambéry, France
About September 1986
How Old? 36 years old
Generation: Millennial
Leap Year: No