Andorra la Vella
September
Weather in Andorra la Vella for September 2026
Your guide to Andorra la Vella weather in September - trends and predictions
So far, September 2026 in Andorra la Vella shows a warmer trend than usual by 2.1 °C.
Expect cooler weather in the next days in Andorra la Vella with the forecast suggesting a temperature of 18.9 °C, lower than the historical average.
In general, the average temperature in Andorra la Vella at the beginning of September is 20.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.7 °C by the end of September.
Andorra la Vella experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 53.8 mm.
Temperatures
Rain 🌧️
20
Dry days
9
Rainy days
0
Snow days
17°/5°
Temperatures
12 km/h
Avg max wind
69 %
Avg humidity
Andorra la Vella Weather September
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Temperatures trend during September in Andorra la Vella
See the weather trend as well as the moving average line
September weather in Andorra la Vella day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light rain with thunder | 18° /7° | 4.6 mm | 5 | |
| 2 Sept. |  Patchy rain possible | 20° /7° | 2.2 mm | 5 | |
| 3 Sept. |  Sunny | 21° /7° | 1.9 mm | 6 | |
| 4 Sept. | Sunny | 21° /9° | 2.4 mm | 6 | |
| 5 Sept. | Sunny | 22° /7° | 0.1 mm | 5 | |
| 6 Sept. | Sunny | 21° /8° | 0.8 mm | 5 | |
| 7 Sept. | Sunny | 23° /9° | 0.4 mm | 6 | |
| 8 Sept. | Sunny | 22° /9° | 2.4 mm | 5 | |
| 9 Sept. | Sunny | 18° /5° | 1.6 mm | 4 | |
| 10 Sept. | Sunny | 20° /4° | 0 mm | 6 | |
| 11 Sept. | Sunny | 20° /5° | 0 mm | 5 | |
| 12 Sept. |  Thundery outbreaks possible | 18° /5° | 3.3 mm | 5 | |
| 13 Sept. | Thundery outbreaks possible | 16° /5° | 3.4 mm | 4 | |
| 14 Sept. | Thundery outbreaks possible | 20° /5° | 0 mm | 5 | |
| 15 Sept. |  Mist | 20° /6° | 0 mm | 5 | |
| 16 Sept. | Mist | 18° /6° | 2.3 mm | 5 | |
| 17 Sept. | Patchy rain possible | 19° /6° | 2.7 mm | 5 | |
| 18 Sept. | Mist | 17° /6° | 2.2 mm | 4 | |
| 19 Sept. | Sunny | 19° /6° | 0 mm | 6.3 | |
| 20 Sept. | Sunny | 22° /8° | 0 mm | 7 | |
| 21 Sept. | Sunny | 21° /9° | 0 mm | 6.7 | |
| 22 Sept. | Sunny | 23° /10° | 0 mm | 6.5 | |
| 23 Sept. | Sunny | 21° /9° | 0 mm | 6 | |
| 24 Sept. | Sunny | 23° /9° | 0 mm | 6 | |
| 25 Sept. | Sunny | 20° /6° | 23.3 mm | 5 | |
| 26 Sept. | Sunny | 17° /5° | 6.1 mm | 5 | |
| 27 Sept. | Sunny | 19° /7° | 0.1 mm | 5 | |
| 28 Sept. |  Overcast | 19° /10° | 0 mm | 4 | |
| 29 Sept. | Overcast | 17° /9° | 0.2 mm | 4 | |
| 30 Sept. | Patchy rain possible | 16° /8° | 8.9 mm | 4 | |
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Important Notice
Our weather forecast for Andorra la Vella in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Andorra la Vella forecast closer to your planned date for the most up-to-date weather information.
Change Month
Andorra la Vella in September - FAQ
What are the expected maximum and minimum temperatures in Andorra la Vella during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Andorra la Vella during September?
Moderate rainfall is anticipated in Andorra la Vella during September, with a total of 53.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in Andorra la Vella in September 2026?
Andorra la Vella typically sees 0.1 cm of snowfall during September.
What are the typical wind conditions in Andorra la Vella during September?
The average wind speed in Andorra la Vella during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Andorra la Vella
Explore the daily rainfall trends and prepare for Andorra la Vellas September weather 💧
Typically, Andorra la Vella has 9 rainy days in September with a total of 53.8 mm of rainfall.
UV exposure in Andorra la Vella during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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