World Resorts Belgium Brussel Weather

Brussel Sea Temperature in September

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

Sunniest months:
September 11 days
March 10 days
April 10 days
Warmest months:
August 73.2 °F
July 72.5 °F
June 69.8 °F
Warmest sea temp:
August 68.1 °F
July 66.9 °F
September 65.0 °F
Coldest months:
January 41.8 °F
February 44.4 °F
December 44.4 °F
Rainiest months:
December 5 days
June 5 days
May 5 days
Windiest months:
December 11.9 mph
February 11.8 mph
January 11.4 mph

Brussel on a weather map

Current weather
10:23
Brussel
+23°F
N 6 mph
Feels like: +16°F
Precip.: 0%
Places in Belgium:
Name
°F
Antwerpen
+25°F
Brugge
+27°F
Brussel
+23°F
Gent
+27°F
Kortrijk
+28°F
Liege
+18°F
Namur
+16°F
Oostende
+30°F
Charleroi
+19°F
24 Hours Forecast
Brussel
Local time: 10:23
January 11, sunday
1200
28°F
N
11 mph
1500
32°F
N
12 mph
1800
30°F
N
14 mph
2100
34°F
N
19 mph
January 12, monday
0000
36°F
N
21 mph
0300
37°F
N
21 mph
0600
39°F
N
19 mph
0900
39°F
N
16 mph
Units of measurement: °C / °F