- Sep 3 Eugène de Beauharnais, stepson of Napoleon I (son of Alexandre de Beauharnais and Joséphine Tascher de la Pagerie), born in Paris (d. 1824)
- Sep 6 Anton Diabelli, Austria publisher and composer, born in Mattsee, Austria (d. 1858)
- Sep 23 Princess Juliane of Saxe-Coburg-Saalfeld (d. 1860)