Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Vigo, Spain

  • The average high temperature in September: 22.8°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (11.9°C).

  • The average low temperature in September: 13.8°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

  • The average humidity in September: 74%

Months with the highest relative humidity are January, November and December (84%).
Months with the lowest relative humidity are June, July and August (71%).

  • The average rainfall in September: 102mm

The wettest month (with the highest rainfall) is December (262mm).
The driest month (with the lowest rainfall) is July (44mm).

  • The average rainfall days in September: 8 days

The month with the highest number of rainy days is December (15 days).
Months with the lowest number of rainy days are July and August (5 days).

  • The average sea temperature in September: 18.3°C

The best month for swimming (with the highest average sea temperature) is September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.6°C).

  • The average daylight in September: 12h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in September: 7.1h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 3.3h).

  • The average UV index in September: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).