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Weather in Andorra for September 2025

Your guide to Andorra weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Andorra during September is quite rare, with fewer than 2 snowy days on average.
    According to Andorra snow forecast for September 2025, 2 snowy days are expected until the end of the month. The closest date with snow is Tuesday, 23 September.

    • Temperatures

  • Until now, September 2025 in Andorra is slightly cooler than the historical average by -1.1 °C.

  • Expect cooler weather in the next days in Andorra with the forecast suggesting a temperature of 16.1 °C, lower than the historical average.

  • In general, the average temperature in Andorra at the beginning of September is 19.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °C by the end of September.

    • Rain 🌧️

  • The climate of Andorra in September is notably wet, with an average of 14 rainy days, and a total of 50.7 mm of precipitation.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/5°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Andorra Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy light rain with thunder
17°
2
Patchy rain possible
18°
3
Patchy rain possible
19°
4
Sunny
19°
5
Sunny
20°
6
Sunny
20°
7
Sunny
22°
8
Sunny
21°
9
Sunny
20°
10
Sunny
20°
11
Patchy rain possible
20°
12
Thundery outbreaks possible
17°
13
Thundery outbreaks possible
14°
14
Thundery outbreaks possible
18°
15
Mist
19°
16
Partly cloudy
21°
17
Sunny
25°
18
Sunny
25°
19
Sunny
24°
20
Patchy rain possible
22°
21
Patchy rain possible
15°
22
Patchy rain possible
12°
23
Patchy rain possible
7°
24
Patchy rain possible
10°
25
Sunny
10°
26
Sunny
12°
27
Sunny
14°
28
Sunny
14°
29
Patchy rain possible
14°
30
Sunny
21°

What’s the Weather Like in Andorra This September?

Discover the average temperatures and weather trends across Andorra’s cities this September.
SunnyAndorra la Vella18 °C / 5 °CSunnyles Escaldes18 °C / 5 °CMore Locations

Temperatures trend during September in Andorra

See the weather trend as well as the moving average line

September weather in Andorra day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 17° /6° 6.1 mm 0 cm
2 Sept. Patchy rain possible
Patchy rain possible
 18° /6° 2.9 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 19° /6° 2.6 mm 0 cm
4 Sept. Sunny
Sunny
 19° /7° 3.2 mm 0 cm
5 Sept. Sunny
Sunny
 20° /5° 0.1 mm 0 cm
6 Sept. Sunny
Sunny
 20° /6° 1.1 mm 0 cm
7 Sept. Sunny
Sunny
 22° /7° 0.6 mm 0 cm
8 Sept. Sunny
Sunny
 21° /7° 1.9 mm 0 cm
9 Sept. Sunny
Sunny
 20° /6° 0.7 mm 0 cm
10 Sept. Sunny
Sunny
 20° /5° 0 mm 0 cm
11 Sept. Patchy rain possible
Patchy rain possible
 20° /5° 0 mm 0 cm
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 17° /5° 4.4 mm 0 cm
13 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 14° /4° 4.5 mm 0 cm
14 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 18° /5° 0 mm 0 cm
15 Sept. Mist
Mist
 19° /4° 0 mm 0 cm
16 Sept. Partly cloudy
Partly cloudy
 21° /10° 0.1 mm 0 cm
17 Sept. Sunny
Sunny
 25° /9° 0 mm 0 cm
18 Sept. Sunny
Sunny
 25° /10° 0 mm 0 cm
19 Sept. Sunny
Sunny
 24° /10° 0 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 22° /10° 0.3 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
 15° /8° 2.3 mm 0 cm
22 Sept. Patchy rain possible
Patchy rain possible
 12° /8° 2.5 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 7° /2° 3.2 mm 1.3 cm
24 Sept. Patchy rain possible
Patchy rain possible
 10° /0° 0.6 mm 0.4 cm
25 Sept. Sunny
Sunny
 10° /0° 0 mm 0 cm
26 Sept. Sunny
Sunny
 12° /-2° 0 mm 0 cm
27 Sept. Sunny
Sunny
 14° /0° 0 mm 0 cm
28 Sept. Sunny
Sunny
 14° /1° 0 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 14° /3° 0.1 mm 0 cm
30 Sept. Sunny
Sunny
 21° /6° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Andorra 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Guide for Andorra in September

In Andorra, September marks the transition from summer to autumn, bringing about a noticeable change in the weather. At the beginning of the month, Andorra experiences pleasant and mild temperatures, with average highs around 22° and lows around 12°.

The weather is generally sunny, making it an ideal time for outdoor activities such as hiking and sightseeing. However, as the month progresses, the temperatures gradually begin to cool down.

By the end of September, Andorra starts to witness the arrival of autumn, with average highs dropping to around 18° and lows around 8°. The weather becomes more unpredictable, with occasional showers and a higher chance of cloudy days.

Visitors to Andorra towards the end of September should be prepared for cooler weather and should pack layers to stay comfortable throughout the day.

Overall, September in Andorra offers a mix of summer and autumn weather, making it a great time to explore the stunning landscapes and charming towns of this beautiful country.

Andorra in September - FAQ

What are the expected maximum and minimum temperatures in Andorra during September?
Enjoy moderate daytime temperatures of up to 18° 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 during September?
Moderate rainfall is anticipated in Andorra during September, with a total of 50.7 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
Will it snow in Andorra in September 2025?
Andorra typically sees 0.075 cm of snowfall during September.
What are the typical wind conditions in Andorra during September?
The average wind speed in Andorra during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Andorra snow forecast September 2025

Track daily snowfall levels and discover Andorra’s snowy potential this September ❄️

September rainfall patterns in Andorra

Explore the daily rainfall trends and prepare for Andorras September weather 💧

UV exposure in Andorra during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Regions in Andorra
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Andorra la VellaEscaldes-Engordany
Top locations in Andorra
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Andorra la Vellales Escaldes
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Location coordinates Where is Andorra?

Get accurate weather forecasts for Andorra, located at latitude 42.508 and longitude 1.521. Stay updated with localized weather information tailored for Andorra.

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