- Sep 2 Paul Bourget, French novelist and critic (d. 1935)
- Sep 8 Gojong, Emperor Gwangmu of Korea (1897-1907), born in Unhyeon Palace, Hanseong, Joseon dynasty, Korea (d. 1919)
- Sep 10 Alice Brown Davis, first female Principal Chief of the Seminole Tribe of Oklahoma (1922-35), born in Park Hill, Indian Territory (d. 1935)
H. H. Asquith (1852-1928)
Sep 12 British Prime Minister (Liberal: 1908-16), born in Morley, England
- Sep 15 Edward Bouchet, American physicist, 1st African American to receive US Ph.D, born in New Haven, Connecticut (d. 1918)
- Sep 15 Jan Matzeliger, Surinamese-Dutch-American inventor (shoe lasting machine), born in Paramaribo, Dutch Guyana (now Suriname) (d. 1889)
- Sep 20 Édouard Empain, Belgian railway builder (Paris Metro), born in Belœil, Belgium (d. 1929)
- Sep 23 William Stewart Halsted, American pioneering surgeon (introduced anesthesia and antisepsis while addicted to cocaine and opium), born in New York City (d. 1922) [1]
- Sep 25 Cornelis Jacobus Snijders, Dutch military leader - Supreme Commander of Dutch Navy (1910-18), born in Nieuwe-Tonge, Netherlands (d. 1939)
- Sep 25 Hans Vaihinger, German philosopher (Nietzsche Philosophy), born in Nehren, Germany (d. 1933)
Henri Moissan (1852-1907)
Sep 28 French chemist who isolated the element "fluorine" from its compounds (Nobel 1906), born in Paris
John French (1852-1925)
Sep 28 1st Earl of Ypres and British WWI field marshal, born in Ripple, Kent, England
- Sep 30 Charles Villiers Stanford, Irish organist, conductor, composer, and music teacher (Royal College of Music, 1882-1924), born in Dublin, Ireland (d. 1924)