The climate in Port-of-Spain during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Port-of-Spain and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.
|Daytime temperature||31°C 87.8°F|
|Nightly temperature||22.1°C 71.8°F|
|Average temperature||26.6°C 79.8°F|
|Daily sunshine||6.9 hrs|
|Avg rainfall||192 mm 7.5 ins|
|Rainy days||19 days|
|Sea temperature||28.9°C 84°F|
|Windspeed||7.3kph 5 mph|
On average September is the 6th wettest month of the year in Port-of-Spain with around 192mm 7.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 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 Port-of-Spain in September 2023.
|Hottest month:||May||30.8°C 87.4°F|
|Driest month:||March||40mm 1.6ins|
|Coldest month:||January||29.2°C 84.6°F|
|Wettest month:||July||239mm 9.4ins|