
United Kingdom
London in September
🍂 AutumnPleasant and some showers.
Why September scores 9.6What goes into the score
How it works- Weather comfort9.6
- ✓Comfortable temperatures (21°C highs / 14°C lows)
- ✓Comfortable humidity (dew point 11.4°C)
- ✓Mostly dry (~54 mm rain)
- Air quality10.0
- ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline7.5
- ·Increased caution
| Sep | Jul | |
|---|---|---|
| Score | 9.6 Excellent | 9.6 Excellent |
| Season | 🍂 Autumn | ☀️ Summer |
| High / low | 21° / 14° | 24° / 16° |
| Rain | 54 mm | 54 mm |
| Humidity | dew pt 11° | dew pt 13° |
| PM2.5 | 5 µg/m³ | 6 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: London Weather Centre weather-station normals.
Holidays & crowdsSeptember 2027
No long holidaysNo long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.
No national public holidays in United Kingdom this month.
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore LondonEvents, sights, food & souvenirs
Check event dates locallyThe UK's capital on the Thames, visited for royal landmarks, world-class museums, theatre, parks and diverse neighbourhoods.
No major events on our calendar for September.
Coming up later
New Year's Eve fireworksEvery year31 December every year
Fireworks over the Thames at midnight.
Why go: Viewing areas are ticketed.
Where: River Thames by the London Eye
Chelsea Flower ShowDate variesUsually late May
A garden and flower show.
Why go: Tickets sell out well ahead.
Where: Royal Hospital Chelsea
Trooping the ColourDate variesUsually a Saturday in June
A military parade marking the monarch's official birthday.
Why go: Stand along The Mall early.
Where: The Mall and Horse Guards Parade
British Museum
A vast collection of world history and culture.
Tower of London
A historic castle that houses the Crown Jewels.
💡 Go early to see the Crown Jewels before the queues build.
Westminster
Houses of Parliament, Big Ben and Westminster Abbey.
Natural History Museum
Dinosaurs and natural history in a Victorian building.
West End theatres
London's theatre district.
Hyde Park and Kensington Gardens
Large central royal parks.
Fish and chips
Battered fish with chips.
💡 Chip shops across the city
Sunday roast
Roast meat with potatoes and Yorkshire pudding.
💡 Pubs on Sundays
Full English breakfast
Eggs, bacon, sausages, beans and toast.
💡 Cafes
Afternoon tea
Tea with sandwiches, scones and cakes.
💡 Hotels and tearooms
Curry
South Asian dishes, a major part of London food culture.
💡 Brick Lane, Southall, Tooting and across the city
Tea
British tea blends.
💡 Department stores such as Fortnum & Mason
Museum and royal palace souvenirs
Books, prints and gifts based on collections and royal history.
💡 Museum and palace shops
Shortbread and biscuits
Packaged British biscuits in gift tins.
💡 Department stores and supermarkets
Airport transfer Kiwitaxi
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