The climate in Skíathos during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Skíathos and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 15°C (59°F) is normal.
|Daytime temperature||25.7°C 78.3°F|
|Nightly temperature||14.8°C 58.6°F|
|Average temperature||20.2°C 68.4°F|
|Daily sunshine||10.2 hrs|
|Avg rainfall||37 mm 1.4 ins|
|Rainy days||3 days|
|Sea temperature||23.8°C 74.8°F|
|Windspeed||5.6kph 3 mph|
On average September is the 5th driest month of the year in Skíathos with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 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 Skíathos in September 2023.
Best places to visit in September
|Hottest month:||July||29.3°C 84.7°F|
|Driest month:||July||19mm 0.7ins|
|Coldest month:||January||9.7°C 49.5°F|
|Wettest month:||December||99mm 3.9ins|