- Sep 1 Othmar Schoeck, composer
- Sep 4 Albert Orsborn, 6th General of The Salvation Army, born in Clapton, England (d. 1967)
- Sep 8 Siegfried Sassoon, English poet and writer (Counterattack), born in Matfield, Kent, England (d. 1967)
- Sep 10 Hilda Doolittle, American poetess (Imagist movement), born in Bethlehem, Pennsylvania (d. 1961)
- Sep 13 Alain LeRoy Locke, African-American writer and philosopher “Father of the Harlem Renaissance”, born in Philadelphia, Pennsylvania (d. 1954)
- Sep 14 Jan Masaryk, Czech statesman and Minister to London (1918-35), born in Prague, Austria-Hungary (d. 1948)
- Sep 20 Charles Williams, British poet and writer, born in London (d. 1945)
- Sep 21 Teiichi Igarashi, Japanese mountaineer who climbed Mt Fuji at age 99
- Sep 22 Hobart Cavanaugh, American actor (Border Town, Black Angel), born in Virginia City, Nevada (d. 1950)
- Sep 24 Edward Bach, British bacteriologist, homeopathic doctor (Bach flower remedies), born in Moseley, Worcestershire, England (d. 1936)
- Sep 24 James Burke, American actor (Mystery Theater, Great Guy), born in NYC, New York (d. 1968)
- Sep 25 Jesús Guridi, Spanish composer, born in Vitoria-Gasteiz, Spain (d. 1961)
- Sep 25 May Sutton, American tennis player (first American woman to win Wimbledon singles title 1905), born in Plymouth, England (d. 1975)