London in September
Crowds ease, the weather often holds, and Open House unlocks hundreds of buildings that are shut the rest of the year.
Is September a good time to visit London?
September is a middling month in London — crowds around 72/100. Not the worst, but February is noticeably calmer.
What’s on in September
- Open House London (mid-September)
- London Fashion Week
Best days in September
Weekdays are almost always calmer than weekends.
Tue is normally the calmest day of the week.
Best hours in September
The daily rhythm, hour by hour.
The 9:00 AM window is usually the calmest of the day.
Weather in September
Typical highs, lows and wet days.
How September compares
Every month in London, ranked by how calm it is.
Quieter alternatives
If your dates are flexible, these months are calmer in London.
Book things to do
Tours and tickets in London, from our booking partner.
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Frequently asked questions
Is September a good month to visit London?
September is a middling month in London — crowds around 72/100. Not the worst, but February is noticeably calmer.
How crowded is London in September?
London sits at roughly 72/100 in September on our crowd scale, which is 5 points above the yearly average. The quietest month is February.
What is the weather like in London in September?
Expect highs around 20°C and lows near 11°C in September, with about 8 wet days across the month.