The climate in Portobelo during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Portobelo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 23°C (73°F) is normal.
|Daytime temperature||28.7°C 83.7°F|
|Nightly temperature||22.5°C 72.5°F|
|Average temperature||25.6°C 78.1°F|
|Daily sunshine||5.4 hrs|
|Avg rainfall||277 mm 10.9 ins|
|Rainy days||19 days|
|Sea temperature||28.8°C 83.9°F|
|Windspeed||8.6kph 5 mph|
On average September is the 5th driest month of the year in Portobelo with around 277mm 10.9 inches of rain making it a very 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 5.4 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 Portobelo in September 2021.
|Hottest month:||April||30.8°C 87.4°F|
|Driest month:||March||38mm 1.5ins|
|Coldest month:||November||27.6°C 81.7°F|
|Wettest month:||November||503mm 19.8ins|