The climate in Petit-Bourg during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Petit-Bourg and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.
|Daytime temperature||30.6°C 87.1°F|
|Nightly temperature||22.8°C 73°F|
|Average temperature||26.7°C 80.1°F|
|Daily sunshine||7.7 hrs|
|Avg rainfall||207 mm 8.1 ins|
|Rainy days||18 days|
|Sea temperature||28.9°C 84°F|
|Windspeed||16.6kph 10 mph|
On average September is the 2nd wettest month of the year in Petit-Bourg with around 207mm 8.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
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 Petit-Bourg in September 2023.
Best places to visit in September
|Hottest month:||July||30.5°C 86.9°F|
|Driest month:||February||64mm 2.5ins|
|Coldest month:||January||27.9°C 82.2°F|
|Wettest month:||October||223mm 8.8ins|