- Sep 11 Johann Jakob Engel, German author (Herr Lorenz Stark), born in Parchim, Germany (d. 1802)
- Sep 22 Peter Simon Pallas, German geologist and zoologist (scientific expeditions through Russia and Siberia), born in Berlin (d. 1811)
- Sep 25 Vaclav Pichl, Czech composer, born in Bechyně, Czech Republic (d. 1805)