Current sea water temperature:
+64.0°F
| Minimum sea water temperature in September: | 68.2°F |
| Maximum sea water temperature in September: | 59.2°F |
| Average sea water temperature in September: | 63.5°F |
| more information | |
14 days
forecast
forecast
| London |
monthly
weather
weather
| London |
Sea water temperature for the last 10 days:
| September 28 | 64.0°F | September 23 | 63.7°F |
| September 27 | 63.9°F | September 22 | 64.6°F |
| September 26 | 64.0°F | September 21 | 65.3°F |
| September 25 | 64.2°F | September 20 | 65.7°F |
| September 24 | 63.9°F | September 19 | 65.8°F |
Monthly sea water temperature, °F
When is the warmest sea in London?
Based on the data about daily sea water temperature for the last three years the warmest sea in London was noticed in August, July and September.
Monthly Sea Temperatures in London, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 69.9°F. The highest and lowest sea temperatures during the month were 72.3°F and 66.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 72.7°F and 68.2°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 65.7°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.7°F.
current
weather
weather
| London |
weather in
October
October
| London |
Best time for vacation in London
London on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
London
Local time: 04:40
September 29, tuesday
0600
63°F
W
8 mph
8 mph
0900
63°F
NW
7 mph
7 mph
1200
73°F
NW
12 mph
12 mph
1500
77°F
NW
11 mph
11 mph
1800
75°F
NW
7 mph
7 mph
2100
70°F
NW
8 mph
8 mph
September 30, wednesday
0000
68°F
NW
9 mph
9 mph
0300
66°F
N
10 mph
10 mph
