14-day forecast — London
Updated hourly
Fri · Today · 4 Sep
Cloudy
+22°
+15°
1,7 mm
Sat · Tomorrow · 5 Sep
Clear
+23°
+13°
5%
Sunday · 6 Sep
Cloudy
+26°
+16°
9%
Monday · 7 Sep
Cloudy
+23°
+17°
0,4 mm
Tuesday · 8 Sep
Cloudy
+20°
+13°
1,1 mm
Wednesday · 9 Sep
Cloudy
+18°
+12°
0,1 mm
Thursday · 10 Sep
Showers
+18°
+13°
5,7 mm
Friday · 11 Sep
Cloudy
+16°
+14°
14%
Saturday · 12 Sep
Cloudy
+18°
+11°
10%
Sunday · 13 Sep
Cloudy
+17°
+12°
0,3 mm
Monday · 14 Sep
Cloudy
+21°
+12°
10%
Tuesday · 15 Sep
Clear
+28°
+14°
2%
Wednesday · 16 Sep
Clear
+29°
+18°
4%
Thursday · 17 Sep
Cloudy
+26°
+16°
17%
About London
Storbritannias hovedstad ved Themsen.
CountryStorbritannia
RegionEngland
ContinentEuropa
Time zoneEurope/London (+01:00)
Latitude51.5074°
Longitude-0.1278°
LuftkvalitetGood (EAQI 16)
Climate in London in september
Normals 8 years · best time to travel · Open-MeteoBest time to travel to London: may–august. With acceptable weather, september is a possible month to visit.
| 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
Precipitation day by day in september mm
UV index day by day in september midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
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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.