Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Palermo, Italy

  • Average high temperature in September: 81.5°F

Warmest month (with highest average high temperature) is August (86.9°F).
Month with lowest average high temperature is February (58.1°F).

  • Average low temperature in September: 68.2°F

Month with highest average low temperature is August (72.9°F).
Coldest month (with lowest average low temperature) is February (47.3°F).

  • Average rainfall in September: 2.6"

Wettest month (with highest rainfall) is December (4.9").
Driest month (with lowest rainfall) is July (0.3").

  • Average rainfall days in September: 5.4 days

Month with highest number of rainy days is December (12 days).
Month with lowest number of rainy days is July (1.2 days).

  • Average sea temperature in September: 77°F

Best month for swimming (with highest average sea temperature) is August (79°F).
Coldest months (with lowest average sea temperature) are February and March (57°F).

  • Average daylight in September: 12h

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

  • Average sunshine in September: 8h

Month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January and December (Average sunshine: 4).

  • Average UV index in September: 7

Months with highest UV index are June, July and August (UV index 9).
Months with lowest UV index are January and December (UV index 2).