- Sep 3 Cecil Weston, South African actress (Dude Ranch, Huckleberry Finn), born in Capetown (d. 1976)
- Sep 6 Sarat Chandra Bose, Indian activist for independence, born in Howrah, British India (d. 1950)
- Sep 7 Albert Plesman, Dutch aviation pioneer and founder (KLM), born in The Hague, Netherlands (d. 1953)
- Sep 7 Bruce Frederick Cummings, English author (Journal of a Disappointed Man), born in barnstaple, England (d. 1919)
- Sep 8 Robert A. Taft, American politician (U.S. Senator from Ohio), born in Cincinnati, Ohio (d. 1953)
- Sep 10 Vilém Petrželka, Czech composer, born in Brno, Movravia (d. 1967)
- Sep 13 Pierre Reverdy, French poet (Nord-Sud), born in Occitanie (d. 1960)
- Sep 15 Robert Benchley, American humorist (My 10 Years in a Quandary), born in Worcester, Massachusetts (d. 1945)
- Sep 16 Claude Albert Barnett, American journalist and founder (Associated Negro Press), born in Sanford, Florida (d. 1967)
- Sep 18 Doris Blackburn, Australian politician (Member of the Australian Parliament for Bourke), born in Hawthorn, Melbourne, Australia (d. 1970)
- Sep 19 Ernest Truex, American actor (Fluffy, Scared, His Girl Friday, Pete & Gladys, Mr Peepers), born in Kansas City, Missouri (d. 1973)
- Sep 19 Sarah Louise "Sadie" Delany, American author and teacher, born in Lynch's Station, Campbell County, Virginia (d. 1999)
- Sep 20 Charles Reidpath, American athlete (Olympic gold 1912), born in Buffalo, New York (d. 1975)
- Sep 22 George "Hooks" Dauss, American MLB baseball pitcher, 1912-26 (Detroit Tigers), born in Indianapolis, Indiana (d. 1963)
Walter Lippmann (1889-1974)
Sep 23 American journalist and political writer (Public Opinion), born in NYC, New York
- Sep 25 C. K. Scott-Moncrieff, Scottish writer and translator, born in Stirlingshire, Scotland (d. 1930)
- Sep 25 G. D. H. Cole, English political theorist and socialist, born in Cambridge, England (d. 1959)
Martin Heidegger (1889-1976)
Sep 26 German philosopher (Being & Time), born in Meeskirch, Germany
