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Weather in Andorra for September 2025

Your guide to Andorra weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Andorra at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 18.1 °C by the end of September.

    • Rain 🌧️

  • The climate of Andorra in September is notably wet, with an average of 14 rainy days.

    • More

  • Is September a good time to visit Andorra? check out the best time to travel to Andorra page.

  • New! Chat with our AI weatherman - it’s amazing and free.

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 in September average weather

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

See the weather trend as well as the moving average line
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September weather 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
 18° /7° 5.9 mm 0 cm
2 Sept. Light rain shower
Light rain shower
 19° /7° 4.3 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 18° /6° 3.8 mm 0 cm
4 Sept. Sunny
Sunny
 19° /8° 4.4 mm 0 cm
5 Sept. Sunny
Sunny
 21° /6° 0.1 mm 0 cm
6 Sept. Sunny
Sunny
 18° /7° 1.6 mm 0 cm
7 Sept. Sunny
Sunny
 21° /7° 0.7 mm 0 cm
8 Sept. Sunny
Sunny
 22° /7° 0.3 mm 0 cm
9 Sept. Sunny
Sunny
 21° /6° 0 mm 0 cm
10 Sept. Sunny
Sunny
 22° /6° 0 mm 0 cm
11 Sept. Sunny
Sunny
 20° /6° 0 mm 0 cm
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 17° /5° 5.9 mm 0 cm
13 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 14° /3° 0 mm 0 cm
14 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 17° /3° 0 mm 0 cm
15 Sept. Mist
Mist
 18° /3° 0 mm 0 cm
16 Sept. Mist
Mist
 17° /4° 0.3 mm 0 cm
17 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 19° /5° 4.1 mm 0 cm
18 Sept. Mist
Mist
 14° /4° 4.1 mm 0 cm
19 Sept. Patchy rain possible
Patchy rain possible
 17° /4° 0.4 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 14° /4° 2.1 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
 15° /5° 5.6 mm 0 cm
22 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 14° /4° 2.6 mm 0 cm
23 Sept. Sunny
Sunny
 14° /1° 1 mm 0 cm
24 Sept. Sunny
Sunny
 17° /2° 1.1 mm 0 cm
25 Sept. Sunny
Sunny
 17° /4° 0 mm 0 cm
26 Sept. Sunny
Sunny
 19° /6° 1.6 mm 0 cm
27 Sept. Sunny
Sunny
 18° /3° 0.2 mm 0 cm
28 Sept. Sunny
Sunny
 16° /4° 0.2 mm 0.1 cm
29 Sept. Sunny
Sunny
 19° /4° 0 mm 0 cm
30 Sept. Sunny
Sunny
 21° /6° 0 mm 0 cm
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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.

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.

Have you visited Andorra in September? Share your experience by writing a review.

Andorra in September - FAQ

Is September a good time to visit Andorra?
Yes, September is a good time to traveling to Andorra, read more about the best time to visit Andorra.
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 50.67 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
Will it snow in Andorra in September 2025?
Andorra experiences an average snowfall of 0.075 cm during September, occurring over 0 days.
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.

What to pack to Andorra in September?

As you prepare for your trip to Andorra in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Andorra, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

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 ☀️
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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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