- Sep 1 Innokenty Annensky, Omsk, Russian Empire, poet, critic and interpreter (poètes maudits)
- Sep 6 Ferdinand Hummel, German composer, born in Berlin (d. 1928)
- Sep 7 William Friese-Greene, British photographer and inventor (motion pictures), born in Bristol, England (d. 1921)
- Sep 9 Anthony Francis Lucas, Croatian-American oil exploration pioneer, born in Split, Austria-Hungary (d. 1921)
- Sep 9 Houston Stewart Chamberlain, British-German philosopher (wrote works about political philosophy and natural science), born in Southsea, Hampshire, England (d. 1927)
- Sep 12 Jacobus of Looy, Dutch writer and painter (Death of My Cat), born in Haarlem, Netherlands (d. 1930)
- Sep 12 Simon-Napoléon Parent, Canadian politician and 12th Premier of Quebec (1900-05), born in Beauport, Quebec City (d. 1920)
- Sep 28 Thomas Frederick Tout, British historian (Manchester school of historiography), born in London, England (d. 1929)
- Sep 29 Michele Esposito, Italian composer who worked in Ireland, born in Castellamare di Stabia (d. 1929)