Brussels Weather in September

What's the weather like in Brussels (Brussels Capital Region) in September 2024?

The climate in Brussels during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Brussels and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (51°F) is normal.

Brussels weather averages (imperial / metric)
Daytime temperature 19.6°C 67.3°F
Nightly temperature 10.8°C 51.4°F
Average temperature 15.2°C 59.4°F
Daily sunshine 6.1 hrs
Avg rainfall 60 mm 2.4 ins
Rainy days 16 days
Sea temperature 17.9°C 64.2°F
Humidity 79%
Windspeed 13.3kph 8 mph

On average September is the 3rd driest month of the year in Brussels with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.1 hours of sunshine per day.

September temperatures in Brussels

Brussels average temperature in September

September rainfall

Brussels average rain in September

September hourly sunshine

Brussels average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Brussels in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Brussels weather stats

Brussels weather statistics
Hottest month: July 22.4°C 72.3°F
Driest month: February 52mm 2ins
Sunniest month: August 7.6hrs
Coldest month: January 4.7°C 40.5°F
Wettest month: November 79mm 3.1ins
Map showing location of Brussels (50.85045, 4.34878) Brussels map pin © Google

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