Challans Weather in September

What's the weather like in Challans (Pays de la Loire) in September 2024?

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

September is in the fall / autumn in Challans and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 12°C (54°F) is normal.

Challans weather averages (imperial / metric)
Daytime temperature 21.6°C 70.9°F
Nightly temperature 12.4°C 54.3°F
Average temperature 17°C 62.6°F
Daily sunshine 6.9 hrs
Avg rainfall 67 mm 2.6 ins
Rainy days 13 days
Sea temperature 19.6°C 67.2°F
Humidity 79%
Windspeed 12.6kph 8 mph

On average September is the 6th driest month of the year in Challans with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 hours of sunshine per day.

September temperatures in Challans

Challans average temperature in September

September rainfall

Challans average rain in September

September hourly sunshine

Challans 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 Challans in September 2024.

Other monthly averages

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UV index Best time to go?

Challans weather stats

Challans weather statistics
Hottest month: July 23.5°C 74.3°F
Driest month: July 45mm 1.8ins
Sunniest month: July 9.2hrs
Coldest month: January 8.8°C 47.8°F
Wettest month: November 98mm 3.9ins
Map showing location of Challans (46.84363, -1.8749) Challans map pin © Google

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