Weather in Brussels in September
The weather in Brussels in September is relatively comfortable for a trip in terms of degrees (11-19), but it might be rainy (around 15 rainfall days) so it is important to prepare yourself with an umbrella and raincoat.
Avg Temp
11° - 19°
Avg Rainy Days
15
Avg Dry Days
15
Avg Snow Days
0
Weather Facts - Brussels in September
* The warmest temperature recorded in in September is 30°C
* The coldest temperature recorded in Brussels in September is 0°C
* The average rainfall in Brussels in September is 66 mm