- Sep 1 J. Reuben Clark, Jr., American Undersecretary of State (d. 1961)
- Sep 4 [Rosalie] Julia Cuypers, Flemish actress and wife of Joseph of Lyre, born in St-Jans-Molenbeek, Belgium (d. 1952)
- Sep 10 Charles Collett, Chief Mechanical Engineer of the Great Western Railway (1922-41) (d. 1952)
- Sep 12 Prince Friedrich Aloys Johannes Maria, Prince of Liechtenstein, Romania, born in Arad, Romania (d. 1959)
- Sep 13 Alma Kruger, American actress (Made For Each Other), born in Pittsburgh, Pennsylvania (d. 1960)
- Sep 19 Fritz Schaudinn, German zoologist (examined syphilis), born in Röseningken, East Prussia (d. 1906)
- Sep 21 Ernst Heldring, Dutch ship owner and financier, born in Amsterdam (d. 1954)
- Sep 23 Frantisek Kupka, Czech writer
Lottie Dod (1871-1960)
Sep 24 British all-round athlete (Wimbledon 1887-88, 1891-93), born in Bebington, England
Pietro Badoglio (1871-1956)
Sep 28 41st Prime Minister of Italy (1943-44) and Italian General (1922-43), born in Grazzano Monferrato, Italy
- Sep 30 Jan Fabricius, Dutch-English playwright (Dolle Hans), born in Assen, Netherlands (d. 1964)
- Sep 30 Ruben Liljefors, Swedish composer, born in Uppsala, Sweden (d. 1936)