September weather forecastEls Plans, Andorra

September

Weather in September

September in Els Plans, Andorra marks the arrival of autumn, as temperatures cool down to an average high of 16.5°C (61.7°F). Subtle changes in the color palette of the city start to crop up, as leaves begin their metamorphosis into vibrant hues. While the warmth of summer still lingers, there is a distinct nip in the early morning and late evening air. The city takes on a mystical charm, with morning fogs blanketing the low laying areas. Despite shorter days, the weather remains pleasant for outdoor exploration.

Temperature

As August makes way for September, Els Plans's average high-temperature eases from a pleasant 20.6°C (69.1°F) to a refreshing 16.5°C (61.7°F). Els Plans records an average low-temperature of 6.3°C (43.3°F) throughout the month of September.

Humidity

In September, the average relative humidity in Els Plans is 75%.

Rainfall

In Els Plans, during September, the rain falls for 3.5 days and regularly aggregates up to 6mm (0.24") of precipitation. Throughout the year, in Els Plans, Andorra, there are 65.4 rainfall days, and 158mm (6.22") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall. In Els Plans, in September, during 0.2 snowfall days, 11mm (0.43") of snow is typically accumulated. In Els Plans, Andorra, during the entire year, snow falls for 60.4 days and aggregates up to 490mm (19.29") of snow.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 07:18 and sunset at 20:27. On the last day of the month, sunrise is at 07:50 and sunset at 19:36 CEST.

Sunshine

In September, the average sunshine in Els Plans, Andorra, is 9.1h.

UV index

In September, the average daily maximum UV index in Els Plans is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

The high-temperature, in September, in Els Plans, is 16.5°C (61.7°F), while the low-temperature averages to 6.3°C (43.3°F).

The average relative humidity in September is 75%.

In Els Plans, Andorra, in September, it is raining for 3.5 days, with typically 6mm (0.24") of accumulated precipitation.

In Els Plans, in September, snow falls for 0.2 days, with typically accumulated 11mm (0.43") of snow.

In Els Plans, Andorra, the average day length in September is 12h and 29min.

On the first day of September in Els Plans, Andorra, sunrise is at 07:18 and sunset at 20:27. On the last day of the month, sunrise is at 07:50 and sunset at 19:36 CEST.

In Els Plans, Andorra, the average sunshine duration in September is 9.1h.

In September, the average daily maximum UV index in Els Plans, Andorra, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Els Plans, Andorra

  • Average high temperature in September: 16.5°C

The warmest month (with the highest average high temperature) is July (20.8°C).
The months with the lowest average high temperature are January and February (1.8°C).

  • Average low temperature in September: 6.3°C

The month with the highest average low temperature is August (9.8°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).

Average pressure in September
Els Plans, Andorra

  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in September
Els Plans, Andorra

  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is February (10km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in September
Els Plans, Andorra

  • Average humidity in September: 75%

The months with the highest relative humidity are February and March (83%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in September
Els Plans, Andorra

  • Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is October (25mm).
The driest month (with the least rainfall) is February (5mm).

Average rainfall days in September
Els Plans, Andorra

  • Average rainfall days in September: 3.5 days

The month with the highest number of rainy days is April (7.1 days).
The month with the least rainy days is September (3.5 days).

Average snowfall in September
Els Plans, Andorra

  • Average snowfall in September: 11mm

The month with the highest snowfall is March (86mm).
The month with the least snowfall is July (0mm).

Average snowfall days in September
Els Plans, Andorra

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (10.4 days).
The month with the least snowfall days is July (0 days).

Average daylight in September /
Average sunshine in September
Els Plans, Andorra

  • Average daylight in September: 12h and 30min

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

  • Average sunshine in September: 9h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September
Els Plans, Andorra

  • Average sunshine days in September: 26.1 days

The month with the most sunshine days is September (26.1 days).
The month with the least sunshine days is February (18.9 days).

Average UV index in September
Els Plans, Andorra

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in September
Els Plans, Andorra

  • Average cloud cover in September: 30

The month with the most cloud cover is April (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in September
Els Plans, Andorra

  • Average visibility in September: 9km

The months with the highest visibility are February, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, March, April, May and November (8km).