Measurements:
°C
°F
CURRENT WEATHER
00:03
Brussel
64°F
W 9 mph
Feels like: 64°F
Precip: 32%
World Resorts Belgium Brussel Weather

7 Day Weather Forecast

09.29
tue
DAY
78°F
N 11 mph
precip
4%
NIGHT
72°F
NW 9 mph
precip
9%
09.30
wed
DAY
80°F
N 14 mph
precip
10%
NIGHT
66°F
N 5 mph
precip
61%
10.01
thu
DAY
60°F
E 9 mph
precip
70%
NIGHT
58°F
E 2 mph
precip
10%
10.02
fri
DAY
66°F
W 6 mph
precip
14%
NIGHT
58°F
SW 6 mph
precip
10%
10.03
sat
DAY
64°F
SW 8 mph
precip
4%
NIGHT
60°F
SW 6 mph
precip
27%
10.04
sun
DAY
60°F
S 6 mph
precip
39%
NIGHT
58°F
SE 6 mph
precip
87%
10.05
mon
DAY
60°F
E 6 mph
precip
19%
NIGHT
56°F
NW 1 mph
precip
13%

Brussel Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Brussel was 19.1°F. The maximum and minimum values were 17.3°F and 20.5°F respectively.

Brussel on the Weather Map

Best Time to Visit Brussel
The most sunny months:
July 10 days
March 10 days
April 10 days
The most warm months:
August 76.0 °F
July 75.4 °F
June 72.2 °F
Warmest sea temperature:
August 70.3 °F
July 69.1 °F
September 66.8 °F
The most cold months:
January 40.8 °F
December 43.8 °F
February 44.0 °F
The most rainy months:
December 5 days
July 4 days
May 4 days
The most windy months:
December 12 mph
February 11 mph
January 11 mph
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