Brussels, Belgium
Weather by months in Brussels
January
February
March
April
May
June
July
August
September
October
November
December
20ºC
Avg. daily temperature
26ºC
High
8ºC
Low
70 mm
Total precipitation
70%
Avg. humidity
4m/s
Avg. wind
8 
Sunny days
10 
Cloudy days
10 
Rainy days
Air temperature
September
The temperature is between 10 and 18 degrees Celsius.
Low10º18ºHigh
1.9The temperature is between 11 and 19 degrees Celsius.
Low11º19ºHigh
4.9The temperature is between 12 and 20 degrees Celsius.
Low12º20ºHigh
7.9The temperature is between 12 and 19 degrees Celsius.
Low12º19ºHigh
10.9The temperature is between 12 and 20 degrees Celsius.
Low12º20ºHigh
13.9The temperature is between 11 and 19 degrees Celsius.
Low11º19ºHigh
16.9The temperature is between 12 and 20 degrees Celsius.
Low12º20ºHigh
18.9The temperature is between 13 and 20 degrees Celsius.
Low13º20ºHigh
20.9The temperature is between 12 and 19 degrees Celsius.
Low12º19ºHigh
22.9The temperature is between 11 and 18 degrees Celsius.
Low11º18ºHigh
24.9The temperature is between 12 and 19 degrees Celsius.
Low12º19ºHigh
26.9The temperature is between 13 and 20 degrees Celsius.
Low13º20ºHigh
28.9In Brussels, September features a maximum daytime temperature of around 26ºC and a minimum nighttime temperature of 8ºC. The average daily high is about 20ºC, while the average nightly low hovers around 12ºC. Enjoy the mild weather by exploring the Royal Gallery of Saint Hubert or participating in the famous Braderie de Bruxelles.
