London Weather in September

Mild and comfortable, with some rainy days. Average highs of 22°C and lows of 14°C, with around 10 rainy days expected throughout the month.

While September isn't our top-rated month for London, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

22°C

Average low

14°C

Rainy days

10 days

Best months to visit

June, July, August

What to do in London in September

Whatever the weather, London rewards curious visitors. Here are some of the best ways to spend your time:

Walk the Thames River paths through the city Visit the Museum of Ontario Archaeology Explore Western University campus and environs Attend performances at regional theaters Paddleboard the Thames River through town Visit nearby fruit farms and wineries

What to pack for September

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.