Weather In London In September 2024 In November. Average high temperature in november: As autumn approaches, september in london offers plesant weather, with temperatures ranging from approximately 11.3°c to.

Warmer, colder, wetter, drier) across the. In city of london during september average daily high temperatures decrease from 69°f to 63°f and the fraction of time spent overcast or mostly cloudy increases from 47% to.