- Sep 2 Pehr Frigel, Swedish composer, born in Kalmar (d. 1842)
- Sep 5 Robert Fergusson, Scottish poet (Scottish poems), born in Edinburgh, Scotland (d. 1774)
- Sep 18 Tomás de Iriarte, Spanish writer (Fabulas Literarias), born in La Orotava, Tenerife, Canary Islands of Spain (d. 1791)
- Sep 26 Cuthbert Collingwood, 1st Baron Collingwood, British admiral, born in Newcastle upon Tyne, Northumberland, England (d. 1810)