Average sea water temperature in September:
+65.0°F
| Minimum sea water temperature in September: | 71.2°F |
| Maximum sea water temperature in September: | 59.5°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 68.4°F and 61.2°F.
Monthly sea water temperature in Brussel, °F
Which Belgium resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Brussel | 65.0°F | 66.2°F |
| Antwerpen | 64.9°F | 66.4°F |
| Gent | 64.7°F | 66.1°F |
| Kortrijk | 64.0°F | 64.9°F |
| Oostende | 64.0°F | 65.0°F |
| Brugge | 63.7°F | 65.2°F |
Best time for vacation in Brussel
Brussel on a weather map
Places in Belgium:
Name
°F
24 Hours Forecast
Brussel
Local time: 15:04
March 17, tuesday
1800

55°F
N
5 mph
5 mph
2100

50°F
NW
6 mph
6 mph
March 18, wednesday
0000

48°F
NW
6 mph
6 mph
0300

46°F
W
7 mph
7 mph
0600

45°F
W
7 mph
7 mph
0900

48°F
NW
12 mph
12 mph
1200

54°F
W
14 mph
14 mph
1500

57°F
W
15 mph
15 mph



























