September weather forecast and Climate
Corfu, Greece GR

• The average high temperature in September: 27.6°C

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.9°C).

• The average low temperature in September: 16.5°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).

• The average humidity in September: 70.4%

The month with the highest relative humidity is November (77.5%).
The month with the lowest relative humidity is July (60%).

• The average rainfall in September: 81.3mm

The wettest month (with the highest rainfall) is November (187.4mm).
The driest month (with the lowest rainfall) is July (9.2mm).

• The average rainfall days in September: 7 days

The month with the highest number of rainy days is December (17.5 days).
The month with the lowest number of rainy days is July (2.3 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: 8.6h

The month with most sunshine is July (Average sunshine: 11.8h).
The month with least sunshine is December (Average sunshine: 3.6h).

• 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).