The climate in Isabela during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Isabela and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 22°C (72°F) is normal.
|Daytime temperature||29.3°C 84.8°F|
|Nightly temperature||22.2°C 71.9°F|
|Average temperature||25.8°C 78.4°F|
|Daily sunshine||8.4 hrs|
|Avg rainfall||213 mm 8.4 ins|
|Rainy days||17 days|
|Sea temperature||29°C 84.2°F|
|Windspeed||14kph 9 mph|
On average September is the 2nd wettest month of the year in Isabela with around 213mm 8.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 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 Isabela in September 2023.
Best places to visit in September
|Hottest month:||August||29.1°C 84.4°F|
|Driest month:||February||76mm 3ins|
|Coldest month:||February||26.1°C 79°F|
|Wettest month:||May||254mm 10ins|