The climate in Saint-Marc during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Saint-Marc and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (72°F) is normal.
|Daytime temperature||32°C 89.6°F|
|Nightly temperature||22.2°C 72°F|
|Average temperature||27.1°C 80.8°F|
|Daily sunshine||7.3 hrs|
|Avg rainfall||139 mm 5.5 ins|
|Rainy days||14 days|
|Sea temperature||29.3°C 84.7°F|
|Windspeed||9.7kph 6 mph|
On average September is the wettest month of the year in Saint-Marc with around 139mm 5.5 inches of rain making it a wet 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 7.3 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 September 2020.
|Hottest month:||August||32.4°C 90.3°F|
|Driest month:||December||1mm 0ins|
|Coldest month:||January||28.6°C 83.5°F|
|Wettest month:||September||139mm 5.5ins|