14-day forecast — London Updated hourly
Mon · Today · 3 Aug
Clear
+31°
+17°
1%
Tue · Tomorrow · 4 Aug
Clear
+30°
+20°
2%
Wednesday · 5 Aug
Clear
+26°
+17°
5%
Thursday · 6 Aug
Clear
+24°
+14°
3%
Friday · 7 Aug
Clear
+27°
+15°
2%
Saturday · 8 Aug
Clear
+29°
+16°
1%
Sunday · 9 Aug
Clear
+31°
+19°
1%
Monday · 10 Aug
Clear
+31°
+20°
2%
Tuesday · 11 Aug
Clear
+33°
+22°
1%
Wednesday · 12 Aug
Clear
+33°
+21°
1%
Thursday · 13 Aug
Clear
+32°
+22°
3%
Friday · 14 Aug
Clear
+33°
+23°
2%
Saturday · 15 Aug
Clear
+32°
+21°
1,4 mm
Sunday · 16 Aug
Clear
+26°
+19°
14,7 mm
About London
Storbritannias hovedstad ved Themsen.
Country Storbritannia
Region England
Continent Europa
Time zone Europe/London (+01:00)
Latitude 51.5074°
Longitude -0.1278°
Luftkvalitet Moderate (EAQI 59)
Climate in London in september
Normals 8 years · best time to travel · Open-Meteo
Best time to travel to London : may–august .
With acceptable weather, september is a possible month to visit.
Photo: Wikimedia
August
September
October
Average temperature
▼ 18°C
16°C
▼ 12°C
Highest temperature
▼ 23°C
20°C
▼ 16°C
Lowest temperature
▼ 14°C
12°C
▼ 9°C
Precipitation
▲ 48 mm
67 mm
▲ 93 mm
Precipitation days
▲ 8 days
11 days
▲ 14 days
Humidity
▲ 68%
77%
▲ 83%
Sun hours per day
▼ 10,3 h
8,7 h
▼ 6,2 h
Cloud cover
▲ 29%
31%
▲ 42%
UV index (midday)
▼ 8
5
▼ 3
Day length
14:33
12:38
10:39
Our rating
Good
Acceptable
Acceptable
Temperature day by day in september average + moving average
12° 14° 16° 18° 1 6 11 16 21 26
Precipitation day by day in september mm
0 4.6 9.1 1 6 11 16 21 26
UV index day by day in september midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europa
Data source
Global weather models — international forecasts
The weather for London is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts are updated hourly; measurements every 15 minutes. For destinations with a large time difference from Norway, local time is shown above.