- Sep 1 Heinrich Otto Ludwig, composer
- Sep 11 Heinrich Kaspar Schmid, German composer, born in Landau, Germany (d. 1953)
Arnold Schoenberg
Sep 13 Arnold Schoenberg, Austrian composer (2nd Quartet) and painter associated with the expressionist movement, born in Vienna, Austria (d. 1951)
Arnold Schoenberg
- Sep 21 Gustav Holst, English composer (Planets), born in Cheltenham, Gloucestershire, England (d. 1934)