Guissény Weather in September

What's the weather like in Guissény (Brittany) in September 2023?

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

September is in the fall / autumn in Guissény 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.

Guissény weather averages (imperial / metric)
Daytime temperature 18.6°C 65.5°F
Nightly temperature 11.8°C 53.2°F
Average temperature 15.2°C 59.4°F
Daily sunshine 6.1 hrs
Avg rainfall 85 mm 3.3 ins
Rainy days 15 days
Sea temperature 16.8°C 62.2°F
Humidity 84%
Windspeed 15.5kph 10 mph

On average September is the 6th driest month of the year in Guissény with around 85mm 3.3 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 Guissény

Guissény average temperature in September

September rainfall

Guissény average rain in September

September hourly sunshine

Guissény 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 Guissény in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Guissény weather stats

Guissény weather statistics
Hottest month: July 20.1°C 68.2°F
Driest month: July 49mm 1.9ins
Sunniest month: July 8.1hrs
Coldest month: January 9°C 48.2°F
Wettest month: December 134mm 5.3ins
Map showing location of Guissény (48.63292, -4.40884)

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