Weather · SeptemberLondon weather in September
Temperature, rain, what to pack and what to know
September in London: changeable weather. Roughly 12h 19m of daylight, with light from about 05:51 to 18:10. September isn't peak season in London. The upside: quiet and cheaper. The downside: weather that needs flexibility.
London in September
London in September — what works
Match the plan to the forecast — a mix of indoor sights and outdoor time keeps it flexible.
What to pack: Check the forecast close to your trip and pack layers accordingly.
London in September — FAQ
Does it snow in London in September?
How many hours of daylight in London in September?
Is September a good time to visit London?
London — flights & hotels
Check prices for your dates. Booking early is well below the last-minute price.
Check flight prices to London, every airline at once.
Rates in London shift daily. See what your night costs now.
About this page
Written and checked by the Around the World team. We compare prices across the major providers, cross-check official sources, and update when something changes. We have no stake in any one provider — links are affiliate links, and the price is the same for you.
Sources: Climate: Open-Meteo 1991–2020 · Daylight: astronomical calculation