Naxos
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Naxos, Greece

The first month of the autumn, September, is also a moderately hot month in Naxos, Greece, with average temperature ranging between max 24.6°C (76.3°F) and min 19.8°C (67.6°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still moderately hot 24.6°C (76.3°F). In September, the average low-temperature is 19.8°C (67.6°F).

Humidity

The average relative humidity in September is 71.1%.

Rainfall

In Naxos, during 0.6 rainfall days, 5.7mm (0.2") of precipitation is typically accumulated. In Naxos, during the entire year, the rain falls for 44.2 days and collects up to 375.9mm (14.8") of precipitation.

Sea temperature

In Naxos, Greece, the average seawater temperature is 23.7°C (74.7°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.7°C (74.7°F).

Daylight

The average length of the day is 12.4h.

Sunshine

In September, the average sunshine in Naxos is 11h.

UV index

In Naxos, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
The average daily UV index of 7 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Naxos?

In September, in Naxos, the average high-temperature is 24.6°C (76.3°F), and the average low-temperature is 19.8°C (67.6°F).

What is the average humidity in September in Naxos?

In September, the average relative humidity is 71.1%.

How much does it rain in Naxos in September?

In Naxos, in September, during 0.6 rainfall days, 5.7mm (0.2") of precipitation is typically accumulated.

What is the sea temperature in September in Naxos?

In Naxos, Greece, the average seawater temperature in September is 23.7°C (74.7°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.7°C (74.7°F) water.

How many hours of daylight does Naxos have in September?

In Naxos, Greece, the average length of the day in September is 12.4h.

How many hours of sunshine does Naxos have in September?

In Naxos, Greece, the average sunshine in September is 11h.

What is the UV index reading in September in Naxos?

The average daily maximum UV index in September in Naxos is 7. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Naxos, Greece
  • 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).

  • 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).

Average humidity in September - Naxos, Greece
  • 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%).

Average rainfall in September - Naxos, Greece
  • 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).

Average rainfall days in September - Naxos, Greece
  • 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).

Average sea temperature in September - Naxos, Greece
  • 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).

Average daylight in September / Average sunshine in September - Naxos, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • 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).

Average UV index in September - Naxos, Greece
  • 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).