Average sea water temperature in September:
+57.7°F
| Minimum sea water temperature in September: | 61.0°F |
| Maximum sea water temperature in September: | 55.0°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.7°F. The highest and lowest sea temperatures during the month were 61.0°F and 57.0°F.
Monthly sea water temperature in Belfast, °F
Which United Kingdom resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Gibraltar | 66.1°F | 70.7°F |
| Brighton | 64.1°F | 64.1°F |
| Bournemouth | 63.9°F | 64.0°F |
| Torquay | 63.0°F | 62.7°F |
| London | 62.9°F | 64.2°F |
| Bristol | 61.6°F | 61.9°F |
| Plymouth | 61.5°F | 61.7°F |
| Bath | 61.4°F | 61.9°F |
| Liverpool | 60.3°F | 59.9°F |
| Belfast | 58.7°F | 58.3°F |
| York | 58.6°F | 58.6°F |
| Glasgow | 57.9°F | 57.1°F |
| Edinburgh | 57.6°F | 56.0°F |
| Scarborough | 56.3°F | 56.4°F |
| Middlesbrough | 56.1°F | 56.2°F |
Best time for vacation in Belfast
Belfast on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Belfast
Local time: 09:07
December 05, friday
1200
46°F
NW
24 mph
24 mph
1500
43°F
NW
30 mph
30 mph
1800
50°F
NW
21 mph
21 mph
2100
48°F
N
9 mph
9 mph
December 06, saturday
0000
46°F
N
10 mph
10 mph
0300
45°F
N
8 mph
8 mph
0600
45°F
N
7 mph
7 mph
0900
45°F
NE
7 mph
7 mph
