Grou Weather in September

What's the weather like in Grou (Friesland) in September 2024?

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

September is in the fall / autumn in Grou and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.

Grou weather averages (imperial / metric)
Daytime temperature 17.7°C 63.9°F
Nightly temperature 9.7°C 49.5°F
Average temperature 13.7°C 56.7°F
Daily sunshine 4.9 hrs
Avg rainfall 76 mm 3 ins
Rainy days 17 days
Sea temperature 17°C 62.5°F
Humidity 85%
Windspeed 16.9kph 11 mph

On average September is the 2nd wettest month of the year in Grou with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.9 hours of sunshine per day.

September temperatures in Grou

Grou average temperature in September

September rainfall

Grou average rain in September

September hourly sunshine

Grou 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 Grou in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Grou weather stats

Grou weather statistics
Hottest month: August 20.5°C 68.9°F
Driest month: February 44mm 1.7ins
Sunniest month: May 7.2hrs
Coldest month: January 4.2°C 39.6°F
Wettest month: November 83mm 3.3ins
Map showing location of Grou (53.1, 5.83333) Grou map pin © Google

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