The climate in Ischia during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Ischia and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (61°F) is normal.
|Daytime temperature||26.5°C 79.7°F|
|Nightly temperature||15.9°C 60.6°F|
|Average temperature||21.2°C 70.2°F|
|Daily sunshine||8.4 hrs|
|Avg rainfall||73 mm 2.9 ins|
|Rainy days||9 days|
|Sea temperature||24.8°C 76.6°F|
|Windspeed||6.5kph 4 mph|
On average September is the 6th wettest month of the year in Ischia with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 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 Ischia in September 2023.
Best places to visit in September
|Hottest month:||August||29.3°C 84.7°F|
|Driest month:||July||20mm 0.8ins|
|Coldest month:||January||12.5°C 54.5°F|
|Wettest month:||November||139mm 5.5ins|