World Resorts Belgium Brussel Weather

Brussel Sea Temperature in September

Average sea water temperature in September:
+65.1°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:
2026
2025
2024

The average sea water temperature in September of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 68.9°F and 65.8°F.

Monthly sea water temperature in Brussel, °F

Which Belgium resorts have warmest sea in September?

Place name September 2026 September 2025
Gent 67.5°F 64.7°F
Brussel 67.4°F 65.0°F
Oostende 67.3°F 64.0°F
Kortrijk 67.3°F 64.0°F
Brugge 67.2°F 63.7°F
Antwerpen 67.1°F 64.9°F

Best time for vacation in Brussel

Sunniest months:
September 11 days
March 10 days
April 10 days
Warmest months:
August 73.4 °F
July 72.9 °F
June 70.0 °F
Warmest sea temp:
August 68.3 °F
July 67.2 °F
September 65.0 °F
Coldest months:
January 41.7 °F
December 44.4 °F
February 44.6 °F
Rainiest months:
December 5 days
July 4 days
May 4 days
Windiest months:
December 11.9 mph
February 11.8 mph
January 11.3 mph

Brussel on a weather map

Current weather
08:26
Brussel
+57°F
E 10 mph
Feels like: +55°F
Precip.: 23%
Places in Belgium:
Name
°F
Antwerpen
+59°F
Brugge
+61°F
Brussel
+57°F
Gent
+61°F
Kortrijk
+59°F
Liege
+57°F
Namur
+55°F
Oostende
+63°F
Charleroi
+55°F
24 Hours Forecast
Brussel
Local time: 08:26
September 16, wednesday
0900
57°F
E
10 mph
1200
64°F
E
12 mph
1500
64°F
SE
14 mph
1800
63°F
SE
14 mph
2100
57°F
SE
6 mph
September 17, thursday
0000
55°F
NE
6 mph
0300
52°F
NE
8 mph
0600
52°F
NE
11 mph
Units of measurement: °C / °F