Saint-Nazaire Weather in September

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

The climate in Saint-Nazaire during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Saint-Nazaire and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 12°C (54°F) is normal.

Saint-Nazaire weather averages (imperial / metric)
Daytime temperature 21.2°C 70.1°F
Nightly temperature 12.3°C 54.1°F
Average temperature 16.7°C 62.1°F
Daily sunshine 6.7 hrs
Avg rainfall 66 mm 2.6 ins
Rainy days 13 days
Sea temperature 17.7°C 63.8°F
Humidity 79%
Windspeed 13kph 8 mph

On average September is the 5th driest month of the year in Saint-Nazaire with around 66mm 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 6.7 hours of sunshine per day.

September temperatures in Saint-Nazaire

Saint-Nazaire average temperature in September

September rainfall

Saint-Nazaire average rain in September

September hourly sunshine

Saint-Nazaire 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 Saint-Nazaire in September 2024.

Other monthly averages

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Saint-Nazaire weather stats

Saint-Nazaire weather statistics
Hottest month: July 23°C 73.4°F
Driest month: July 44mm 1.7ins
Sunniest month: July 8.9hrs
Coldest month: January 8.8°C 47.8°F
Wettest month: November 98mm 3.9ins
Map showing location of Saint-Nazaire (47.28333, -2.2) Saint-Nazaire map pin © Google

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