- Sep 5 Johann Christian Bach (English Bach), German composer, 11th son of Johann Sebastian Bach, born in Leipzig, Germany (d. 1782)
- Sep 7 Thomas Coutts, Anglo-Scottish banker (Coutts & Co.), born in Ediburgh, Scotland (d. 1822)
- Sep 14 Robert Raikes, British philanthropist and Sunday school pioneer, born in Gloucester, England (d. 1811)
Augustus FitzRoy (1735-1811)
Sep 28 3rd Duke of Grafton, British Prime Minister (1768-70), born in Derbyshire, England