Keanu Reeves
Sep 2 Keanu Reeves, Canadian actor (Bill & Ted's Excellent Adventure, The Matrix), born in Beirut, Lebanon

Keanu Reeves
- Sep 3 Junaid Jamshed, Pakistani singer (Vital Signs 1), born in Karachi, West Pakistan (d. 2016)
- Sep 4 René Pape, German opera singer (bass), born in Dresden, East Germany
- Sep 8 Joachim Nielsen, Norwegian musician (Jokke & Valentinerne), born in Oslo, Norway (d. 2000)
- Sep 11 Victor Wooten, American bass guitarist, born in Mountain Home, Idaho
- Sep 15 Doyle Wolfgang von Frankenstein [Paul Caiafa], American musician, former guitarist for horror punk band The Misfits, born in Lodi, New Jersey
- Sep 16 David Michael Sabo, American rocker (Skid Row-Psycho Love), born in Perth Amboy, New Jersey
- Sep 18 Marco Masini, Italian singer and songwriter, born in Florence, Italy
- Sep 18 Luca Belcastro, Italian classical music composer, born in Como, Italy
Trisha Yearwood
Sep 19 Trisha Yearwood, American country singer (Sweetest Gift), born in Monticello, Georgia

Trisha Yearwood
- Sep 21 Jorge Drexler, Uruguayan pop singer and composer, born in Montevideo, Uruguay
- Sep 22 Marq Torien, rocker (Bullet Boys-For Love of Money)
- Sep 23 Koshi Inaba, Japanese singer (B'z)
- Sep 25 Maria Doyle Kennedy, Irish actress and singer, born in Clontarf, Ireland
- Sep 26 Nicki French, English singer, born in Carlisle, United Kingdom
- Sep 27 Stephan Jenkins, American singer-songwriter and gutairist (Third Eye Blind - "Semi-Charmed Life"), born in Indio, California
- Sep 30 Robby Takac, American rock Bassist (Goo Goo Dolls - "Iris"), born in Buffalo, New York
- Sep 30 (Ernest Joseph) "Trey" Anastasio III, American singer-songwriter and guitarist (Phish), born in Ft. Worth, Texas
About September 1964
How Old? 56 years old
Generation: Baby Boomer
Leap Year: Yes