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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Brussels, BRU
Content continues below
September
Average Temperature
High
20°
Feels 20
Low
11°
Feels 10
Average Precipitation
10 Days
Rain amount
47.5mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18°
18
19°
19
21°
20
19°
21
20°
22
19°
23
21°
24
21°
25
22°
26
23°
27
21°
28
20°
29
18°
30
20°
Forecast
Thursday, September 17, 2026
Day
18°
Feels 18
Wind
24 km/h SW
Gust
36 km/h
Humidity
61%
P.O.P
40%
Rain
<1 mm
Night
11°
Feels 9
Wind
21 km/h SW
Gust
31 km/h
Humidity
89%
P.O.P
40%
Rain
~1 mm
Historical Averages
Sep 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.