Douarnenez Weather in September

What's the weather like in Douarnenez (Brittany) in September 2024?

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

September is in the fall / autumn in Douarnenez and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 12°C (53°F) is normal.

Douarnenez weather averages (imperial / metric)
Daytime temperature 18.8°C 65.8°F
Nightly temperature 11.9°C 53.3°F
Average temperature 15.3°C 59.5°F
Daily sunshine 6.1 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 15 days
Sea temperature 16.8°C 62.2°F
Humidity 83%
Windspeed 14.8kph 9 mph

On average September is the 6th wettest month of the year in Douarnenez with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 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 Douarnenez

Douarnenez average temperature in September

September rainfall

Douarnenez average rain in September

September hourly sunshine

Douarnenez 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 Douarnenez in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Douarnenez weather stats

Douarnenez weather statistics
Hottest month: August 20°C 68°F
Driest month: July 48mm 1.9ins
Sunniest month: July 8hrs
Coldest month: January 8.9°C 48°F
Wettest month: December 139mm 5.5ins
Map showing location of Douarnenez (48.09542, -4.32904) Douarnenez map pin © Google

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