- Sep 1 Johnny Mack Brown, American actor (Lawman is Born, Back Trail), born in Dothan, Alabama (d. 1974)
- Sep 1 Ray Flaherty, American Pro Football Hall of Fame end, coach (3 x NFL Championships; Washington Redskins 1937, 42 coach), born in Lamont, Washington (d. 1994)
- Sep 4 Christian-Jaque [Christian Maudet], French film director (Fearless Little Soldier, Race for Life, The Pearls of the Crown), born in Paris (d. 1994)
- Sep 4 Julian W. Hill, American research chemist (developed nylon), born in St. Louis, Missouri (d. 1996)
- Sep 4 Max Delbrück, German-American biologist and molecular geneticist (bacteriophage, Nobel Prize 1969), born in Berlin, Germany (d. 1981)
- Sep 4 Sabin Carr, American athlete (Olympic gold pole vault 1928; WR 4.27m 1927), born in Santa Barbara, California (d. 1983)
- Sep 6 Arvi Kivimaa, Finnish writer (Groenende Cross), born in Hartola, Finland (d. 1984)
- Sep 6 Lyubomir Pipkov, Bulgarian pianist, composer, music educator, and (with his father) Antarctic glacier namesake, born in Lovech, Bulgaria (d. 1974)
- Sep 8 Carlos Sánchez Málaga, Peruvian composer, born in Arequipa, Perú (d. 1995)
- Sep 9 Feroze Khan, Pakistani field hockey player (d. 2005)
- Sep 10 Max Shachtman, American politician (d. 1972)
- Sep 12 Gavriil Popov, Soviet Russian composer, born in Novocherkassk, Russia (d. 1972)
- Sep 14 Anton Zischka, Austrian writer (Lebendiges Europa), born in Vienna, Austria (d. 1997)
- Sep 14 Gaston Vandermeulen, Flemish actor (Heilig Experiment, The Arrival of Joachim Stiller), born in Mechelen, Belgium (d. 1984)
- Sep 14 Kunihiko Hashimoto, Japanese composer, violinist, conductor, and musical educator, born in the Hongo district of Tokyo (d. 1949)
- Sep 14 Richard Mohaupt, German composer (Bucolica), born in Wrocław, Poland (d. 1957)
- Sep 14 Šrom, Karel, Czech composer, musicologist, and critic, born in Pilsen, Bohemia (d. 1981)
- Sep 15 Tom Conway, Russian actor (Mark Saber, Betty Hutton Show), born in St Petersburg, Russian Empire (d. 1967)
- Sep 15 Umberto II, van Piemonte, the last King of Italy (ruled 1946)
Frederick Ashton (1904-1988)
Sep 17 British choreographer (Cinderella), born in Guayaquil, Ecuador
- Sep 17 Jerry Colonna, American actor (Jerry Colonna Show, Alice in Wonderland, Road to Singapore), born in Boston, Massachusetts (d. 1986)
- Sep 19 Bergen Evans, American professor of English ($64,000 Question), born in Franklin, Ohio (d. 1978)
- Sep 19 Else-Marie Hansen, Danish actress (Hvor går Karl hen?), born in Copenhagen, Denmark (d. 2003)
- Sep 19 Karen Aabye, Danish author (Less bedstemor there jomfru), born in Copenhagen, Denmark (d. 1982)
- Sep 21 Hans Hartung, German-French painter, born in Leipzig, German Empire (d. 1989)
- Sep 22 Ellen Church, American 1st female airline stewardess (United flight in 1930 from San Francisco to Cheyenne), born in Cresco, Iowa (d. 1965)
- Sep 23 Meyer Schapiro, Lithuanian-born American art historian, born in Šiauliai, Russian Empire
- Sep 24 (John) "Jackie Wright, Northern Irish comedian (The Benny Hill Show, 1968-83), born in Belfast, Ireland (d. 1989)
- Sep 24 Cemal Reşit Rey, Turkish composer, born in Jerusalem, Ottoman Empire (d. 1985)
- Sep 24 Jan August [Augustoff], American pianist and xylophonist ("Misirlou"), born in New York City (d. 1976)
- Sep 24 Owen Saunders, English mathematician and mechanical engineer, born in Streatham, London (d. 1993)
- Sep 25 Columbus O'Donnell Iselin, American oceanographer, born in New Rochelle, New York (d. 1971)
- Sep 28 Hendrik J Hofstra, Dutch minister of Finance (PvdA)
- Sep 29 Dorothy Emmet, English philosopher, born in London, England (d. 2000)
Greer Garson (1904-1996)
Sep 29 British actress (Mrs Miniver), born in East Ham, Essex
- Sep 30 Frank Lawton, British actor (Devil Doll, Invisible Ray), born in London, England (d. 1969)
- Sep 30 Ralph Forbes [Taylor], British screen and stage actor (Romeo and Juliet; Piccadilly Jim; Daniel Boone), born in Wandsworth, London, England (d. 1951)
About September 1904
How Old? 118 years old
Generation: Greatest Generation
Leap Year: Yes