Spa Weather in September

What's the weather like in Spa (Walloon Region) in September 2024?

The climate in Spa during September can be summarized as mild and a little damp.

September is in the fall / autumn in Spa and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 8°C (47°F) is normal.

Spa weather averages (imperial / metric)
Daytime temperature 18.1°C 64.6°F
Nightly temperature 8.1°C 46.6°F
Average temperature 13.1°C 55.6°F
Daily sunshine 5.2 hrs
Avg rainfall 90 mm 3.5 ins
Rainy days 18 days
Sea temperature 18.2°C 64.8°F
Humidity 82%
Windspeed 13.3kph 8 mph

On average September is the 3rd driest month of the year in Spa with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.2 hours of sunshine per day.

September temperatures in Spa

Spa average temperature in September

September rainfall

Spa average rain in September

September hourly sunshine

Spa 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 Spa in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Spa weather stats

Spa weather statistics
Hottest month: July 21.1°C 70°F
Driest month: February 87mm 3.4ins
Sunniest month: August 6.5hrs
Coldest month: January 2.8°C 37°F
Wettest month: December 121mm 4.8ins
Map showing location of Spa (50.48375, 5.86674) Spa map pin © Google

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