Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Santorini, Greece

  • Average high temperature in September: 77°F

Warmest month (with highest average high temperature) is July (82°F).
Months with lowest average high temperature are January and February (57°F).

  • Average low temperature in September: 68°F

Months with highest average low temperature are July and August (72°F).
Coldest months (with lowest average low temperature) are January and February (48°F).

  • Average rainfall in September: 0.5"

Wettest month (with highest rainfall) is January (4.5").
Driest months (with lowest rainfall) are July and August (0").

  • Average rainfall days in September: 1 days

Month with highest number of rainy days is December (12 days).
Months with lowest number of rainy days are June, July, August and September (1 days).

  • Average sea temperature in September: 76.3°F

Best month for swimming (with highest average sea temperature) is August (77.5°F).
Coldest month (with lowest average sea temperature) is March (61.3°F).

  • Average daylight in September: 12h

Month with longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • Average sunshine in September: 10h

Months with most sunshine are June and July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 4).

  • Average UV index in September: 7

Months with highest UV index are June and July (UV index 10).
Months with lowest UV index are January and December (UV index 2).