The climate in Santorini during September can be summarized as warm and dry.
September is in the fall / autumn in Santorini and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 20°C (67°F) is normal.
|Daytime temperature||25.3°C 77.5°F|
|Nightly temperature||19.5°C 67.1°F|
|Average temperature||22.4°C 72.3°F|
|Daily sunshine||11.1 hrs|
|Avg rainfall||14 mm 0.5 ins|
|Rainy days||1 days|
|Sea temperature||23.8°C 74.9°F|
|Windspeed||13kph 8 mph|
On average September is the 4th driest month of the year in Santorini with around 14mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 1 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.1 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 September 2020.
|Hottest month:||July||27.6°C 81.7°F|
|Driest month:||July||1mm 0ins|
|Coldest month:||January||13.9°C 57°F|
|Wettest month:||January||114mm 4.5ins|