- Sep 9 Bernard Siegfried Albinus [Weiss], German surgeon and anatomist (1st to link vascular system with the fetus), dies at 73
- Sep 9 Georg Dionysius Ehret, German-English botanist and cartoonist, dies at 62
George Whitefield (1714-1770)
Sep 30 English-born Methodist leader and preacher, dies in Newburyport, Massachusetts, at age 55
- Sep 30 Thomas Robinson, 1st Baron Grantham, English politician and diplomat