Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Mahon, Spain

  • The average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (14.1°C).

  • The average low temperature in September: 18.9°C

The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is February (7.4°C).

  • The average rainfall in September: 61mm

The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the lowest rainfall) is July (3mm).

  • The average rainfall days in September: 5 days

The month with the highest number of rainy days is December (9 days).
The month with the lowest number of rainy days is July (1 days).

  • The average sea temperature in September: 24°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (14°C).

  • The average daylight in September: 12h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The average sunshine in September: 7.5h

The month with most sunshine is July (Average sunshine: 11.2h).
The month with least sunshine is December (Average sunshine: 4.2h).

  • The average UV index in September: 6

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