Andorra la Vella
Andorra
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Andorra la Vella, Andorra

Andorra la Vella, Andorra in the Andorra la Vella valley between the Pyrenees Mountains
Andorra la Vella, Andorra in the Andorra la Vella valley between the Pyrenees Mountains
September, the first month of the autumn, in Andorra la Vella, is still a pleasant month, with average temperature ranging between max 21.4°C (70.5°F) and min 8.5°C (47.3°F).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 25.4°C (77.7°F) in August, to a pleasant 21.4°C (70.5°F). In Andorra la Vella, the average low-temperature is 8.5°C (47.3°F).

Rainfall

In September, the rain falls for 12 days. Throughout September, 80.9mm (3.2") of precipitation is accumulated. Throughout the year, in Andorra la Vella, Andorra, there are 157 rainfall days, and 812.6mm (32") of precipitation is accumulated.

Daylight

In September, the average length of the day in Andorra la Vella, Andorra, is 12.5h.

Sunshine

The average sunshine in Andorra la Vella is 6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.

What is the temperature in September in Andorra la Vella?

The average high-temperature, in September, in Andorra la Vella, is 21.4°C (70.5°F), while the average low-temperature is 8.5°C (47.3°F).

How much does it rain in Andorra la Vella in September?

In Andorra la Vella, Andorra, in September, during 12 rainfall days, 80.9mm (3.2") of precipitation is typically accumulated.

How many hours of daylight does Andorra la Vella have in September?

The average length of the day in September in Andorra la Vella, Andorra, is 12.5h.

How many hours of sunshine does Andorra la Vella have in September?

The average sunshine in September is 6h.

How high is the UV index in September in Andorra la Vella?

In September, the average daily maximum UV index in Andorra la Vella, Andorra, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Andorra la Vella, Andorra
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in September: 8.5°C

Months with the highest average low temperature are July and August (11.4°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average rainfall in September - Andorra la Vella, Andorra
  • Average rainfall in September: 80.9mm

The wettest month (with the highest rainfall) is May (89.8mm).
The driest month (with the lowest rainfall) is February (37.9mm).

Average rainfall days in September - Andorra la Vella, Andorra
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (17 days).
The month with the lowest number of rainy days is July (11 days).

Average daylight in September / Average sunshine in September - Andorra la Vella, Andorra
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 6h

The month with most sunshine is July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in September - Andorra la Vella, Andorra
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).