London in September
Autumn in London: expect mild weather with highs of 20°C.
Photo: Benjamin Davies / Unsplash
September Weather in London
🌡️
Average High
20°C
❄️
Average Low
12°C
🌧️
Rain Days
16
🌤️
Season
Autumn
What to Expect
September in London brings mild weather with daytime highs around 20°C and nighttime lows of 12°C. You can expect approximately 16 days of rain during the month. This is shoulder season with moderate crowds. A good balance of decent weather and reasonable prices.
Packing tip: Bring layers for comfortable days and cooler evenings. A light jacket is advisable. An umbrella or rain jacket is essential.
September Costs in London
Budget
GBP 100
per day
Mid-Range
GBP 250
per day
Luxury
GBP 600
per day
Things to Do in London in September
Our Top 5 Favourite Tours in London
Hand-picked guided experiences you can book in advance on GetYourGuide.
London Walking Tour: Highlights & Hidden Gems
Discover London on foot with a local guide who knows every backstreet and story. You will cover the must-see landmarks and stumble upon places most visitors never find.
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London Food Tour: Street Food & Local Favourites
Eat your way through London with a local foodie as your guide. From bustling markets to tucked-away restaurants, taste the dishes the city is truly known for.
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Best of London: Skip-the-Line Top Attractions
Skip the queues and get straight into London's top attractions with pre-booked access. An expert guide brings each site to life with stories and context you would not get on your own.
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Day Trip from London: Scenic Excursion
Escape London for the day and explore the stunning surroundings. Transport, guide, and itinerary are all sorted so you can relax and enjoy the scenery.
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London Cultural Experience: History & Traditions
Go beyond sightseeing and connect with London's living culture. From hands-on workshops to historic neighbourhood walks, this is the side of the city most travellers miss.
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Hotels in London for September
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FAQ: London in September
What is the weather like in London in September?
London in September has average highs of 20°C and lows of 12°C, with around 16 rainy days. The weather is generally mild.
Is September a good time to visit London?
September is a shoulder season in London, which means decent weather with fewer crowds and often lower prices than peak months.
How crowded is London in September?
September sees moderate tourist numbers in London. Popular spots will be busy but manageable.
How much does it cost to visit London in September?
Budget travellers can get by on around GBP 100/day. Mid-range travellers should budget GBP 250/day. Shoulder season often offers good value compared to peak months.
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