Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Naxos, Greece

  • The average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (14.3°C).

  • The average low temperature in September: 19.8°C

Months with the highest average low temperature are July and August (21.7°C).
Coldest months (with the lowest average low temperature) are January and February (9.3°C).

  • The average humidity in September: 71.1%

The month with the highest relative humidity is November (73.8%).
The month with the lowest relative humidity is June (67.8%).

  • The average rainfall in September: 5.7mm

The wettest month (with the highest rainfall) is January (71.3mm).
The driest month (with the lowest rainfall) is July (0.6mm).

  • The average rainfall days in September: 0.6 days

The month with the highest number of rainy days is December (8.6 days).
Months with the lowest number of rainy days are July and August (0.1 days).

  • The average sea temperature in September: 23.7°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).

  • The average daylight in September: 12h

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

  • The average sunshine in September: 11h

The month with most sunshine is July (Average sunshine: 14h).
The month with least sunshine is January (Average sunshine: 4h).

  • The average UV index in September: 7

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