- Sep 1 Princess Alexandra of Edinburgh and Saxe-Coburg and Gotha (d. 1942)
- Sep 2 Werner von Blomberg, German minister of Reichswehr
- Sep 3 Dorothea Lambert Chambers, British tennis player (Wimbledon 1903-04, 06, 10-11, 13-14), born in Ealing, England (d. 1960)
- Sep 9 Adelaide Crapsey, American poet (d. 1914)
- Sep 9 Sergio Osmeña, 4th President of the Philippines (d. 1961)
- Sep 16 Karl Albiker, German sculptor (German Art, female nudes), born in Ühlingen-Birkendorf, Germany (d. 1961)
- Sep 17 Vincenzo Tommasini, Italian composer (Le donne de buon umore), born in Rome (d. 1950)
Upton Sinclair
Sep 20 Upton Beall Sinclair, American writer (Jungle), born in Baltimore, Maryland (d. 1968)
Upton Sinclair