September weather forecast
Andorra, Spain

September

Weather in September

The first month of the autumn, September, is still a warm month in Andorra, Spain, with temperature in the range of an average low of 11.7°C (53.1°F) and an average high of 23°C (73.4°F).

Temperature

In September, the average high-temperature goes from a warm 28.5°C (83.3°F) in August to a still moderately hot 23°C (73.4°F). Andorra in September experiences a low-temperature average of 11.7°C (53.1°F).

Humidity

In September, the average relative humidity in Andorra is 56%.

Rainfall

In September, in Andorra, the rain falls for 7.6 days. Throughout September, 16mm (0.63") of precipitation is accumulated. Throughout the year, in Andorra, there are 114.9 rainfall days, and 308mm (12.13") of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Andorra.

Daylight

In Andorra, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 07:29 and sunset at 20:34. On the last day of September, sunrise is at 07:57 and sunset at 19:45 CEST.

Sunshine

The average sunshine in September in Andorra is 9.5h.

UV index

In Andorra, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are September temperatures in Andorra?
An average high-temperature, in September, in Andorra, is 23°C (73.4°F) and the average low-temperature is 11.7°C (53.1°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is appraised at 29°C (84.2°F).
What is the average humidity in September in Andorra?
In Andorra, the average relative humidity in September is 56%.
How many days does it rain in September in Andorra?
In Andorra, during September, the rain falls for 7.6 days and regularly aggregates up to 16mm (0.63") of precipitation.
When it does not snow in Andorra?
In Andorra, Spain, snow does not fall in June through October.
How many hours of daylight does Andorra have in September?
The average day length in September in Andorra is 12h and 28min.
What time are sunrise and sunset in September in Andorra?
On the first day of September in Andorra, Spain, sunrise is at 07:29 and sunset at 20:34. On the last day of the month, sunrise is at 07:57 and sunset at 19:45 CEST.
How long on average sun shines in September in Andorra?
In September, the average sunshine duration in Andorra, Spain, is 9.5h.
How high is the UV index in September in Andorra?
In Andorra, Spain, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Andorra, Spain
Average temperature in September
Andorra, Spain
  • Average high temperature in September: 23°C

The warmest months (with the highest average high temperature) are July and August (28.5°C).
The month with the lowest average high temperature is January (7.2°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).

Average pressure in September - Andorra, Spain
Average pressure in September
Andorra, Spain
  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).

Average wind speed in September - Andorra, Spain
Average wind speed in September
Andorra, Spain
  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).

Average humidity in September - Andorra, Spain
Average humidity in September
Andorra, Spain
  • Average humidity in September: 56%

The month with the highest relative humidity is January (75%).
The months with the lowest relative humidity are July and August (47%).

Average rainfall in September - Andorra, Spain
Average rainfall in September
Andorra, Spain
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is April (48mm).
The driest months (with the least rainfall) are July and August (12mm).

Average rainfall days in September - Andorra, Spain
Average rainfall days in September
Andorra, Spain
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (6.1 days).

Average snowfall in September - Andorra, Spain
Average snowfall in September
Andorra, Spain
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (48mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September - Andorra, Spain
Average snowfall days in September
Andorra, Spain
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Andorra, Spain
Average daylight in September /
Average sunshine in September
Andorra, Spain
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).

Average sunshine days in September - Andorra, Spain
Average sunshine days in September
Andorra, Spain
  • Average sunshine days in September: 21.1 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is April (13.2 days).

Average UV index in September - Andorra, Spain
Average UV index in September
Andorra, Spain
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Andorra, Spain
Average cloud cover in September
Andorra, Spain
  • Average cloud cover in September: 19

The months with the most cloud cover are January and November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in September - Andorra, Spain
Average visibility in September
Andorra, Spain
  • Average visibility in September: 10km

The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).

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