- Sep 8 Willem Pijper, Dutch composer and music critic, born in Zeist, Netherlands (d. 1947)
- Sep 9 Arthur Freed, American lyricist and film producer (Singin' in the Rain, and other MGM musicals), born in Charlestown, South Carolina (d. 1973)
- Sep 13 Julian Tuwim, Polish poet and lyricist, born in Łódź, Congress Poland (d. 1953)