Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kythira, Greece

  • Average high temperature in September: 25.6°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (12.7°C).

  • Average low temperature in September: 20.3°C

The month with the highest average low temperature is August (22.5°C).
Coldest months (with the lowest average low temperature) are January and February (8.9°C).

  • Average humidity in September: 62.1%

The month with the highest relative humidity is December (72.8%).
The month with the lowest relative humidity is July (54.4%).

  • Average rainfall in September: 11.2mm

The wettest month (with the highest rainfall) is December (115.2mm).
The driest month (with the lowest rainfall) is June (1.9mm).

  • Average rainfall days in September: 1.1 days

The month with the highest number of rainy days is December (11 days).
Months with the lowest number of rainy days are June, July and August (0.3 days).

  • Average sea temperature in September: 25.4°C

The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).

  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 10h

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

  • Average UV index in September: 7

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