Port-Louis Weather in September

What's the weather like in Port-Louis (Brittany) in September 2024?

The climate in Port-Louis during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Port-Louis and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 12°C (54°F) is normal.

Port-Louis weather averages (imperial / metric)
Daytime temperature 19.7°C 67.5°F
Nightly temperature 12.3°C 54.1°F
Average temperature 16°C 60.8°F
Daily sunshine 6.3 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 14 days
Sea temperature 17.5°C 63.4°F
Humidity 82%
Windspeed 14kph 9 mph

On average September is the 6th driest month of the year in Port-Louis with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 hours of sunshine per day.

September temperatures in Port-Louis

Port-Louis average temperature in September

September rainfall

Port-Louis average rain in September

September hourly sunshine

Port-Louis 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 Port-Louis in September 2024.

Other monthly averages

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UV index Best time to go?

Port-Louis weather stats

Port-Louis weather statistics
Hottest month: July 21.1°C 70°F
Driest month: July 44mm 1.7ins
Sunniest month: July 8.3hrs
Coldest month: January 9.1°C 48.4°F
Wettest month: November 118mm 4.6ins
Map showing location of Port-Louis (47.70704, -3.35484) Port-Louis map pin © Google

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