- Sep 8 Carl Stenborg, Swedish composer, born in Stockholm, Sweden (d. 1813)
- Sep 9 Johann Friedrich Christmann, German composer, born in Ludwigsburg, Baden-Württemberg, Germany (d. 1817)
- Sep 18 Johann Anton Sulzer, Swiss writer and composer, born in Rheinfelden, Aargau, Switzerland (d. 1828)
- Sep 30 Justin Heinrich Knecht, German composer, born in Biberach an der Riss (d. 1817)