- Sep 2 Marie Ault [Mary Cragg], Wigan England
- Sep 4 Friedrich Panzer, German germanist (Das Nibelungenlied), born in Asch, Bohemia (d. 1956)
- Sep 7 Aleksandr Kuprin, Russian author (Pojedinok), born in Narovchat, Penza Governorate, Russian Empire (d. 1938) [OS=Aug 26]
- Sep 7 Thomas Curtis, American athlete (Olympic 1896 Gold), born in San Francisco, California (d. 1944)
- Sep 8 Hermann Hans Wetzler, German-American composer, born in Frankfurt, Germany (d. 1943)
- Sep 18 Clark Wissler, American anthropologist (American Indian), born in Hagerstown, Indiana (d. 1947)
- Sep 22 Arthur Pryor, American band composer and trombone player, born in Saint Joseph, Missouri (d. 1942)
Charlotte Cooper (1870-1966)
Sep 22 British tennis player (1st female Olympic champion 1900; Wimbledon 1895-96, 98, 1901, 08), born in Ealing, England
- Sep 23 John Lomax, American folk song collector and ethnomusicologist (American Folklore Society), and educator, born in Goodman, Mississippi (d. 1948)
- Sep 24 Georges Claude, French engineer and inventor (neon light), born in Paris (d. 1960)
- Sep 26 Christian X, King of Denmark (1912-47), born in Charlottenlund, Denmark (d. 1947)
- Sep 28 Florent Schmitt, French composer (La tragédie de Salome; Psalm 47), and music critic (Le Temps), born in Meurthe-et-Moselle, France (d. 1958)
- Sep 30 Jean Perrin, French physicist, studied Brownian motion (Nobel 1926), born in Lille, France (d. 1942)
- Sep 30 Thomas W. Lamont, American banker; father of Corliss Lamont; great-grandfather of Ned Lamont (d. 1948)