Andorra Weather in September
What's the weather like in Andorra (Aragon) in September 2025?
The climate in Andorra during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Andorra and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 25°C 76.9°F |
|---|---|
| Nightly temperature | 12.1°C 53.7°F |
| Average temperature | 18.5°C 65.3°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 53 mm 2.1 ins |
| Rainy days | 8 days |
| Sea temperature | 24.5°C 76.2°F |
| Humidity | 62% |
| Windspeed | 11.2kph 7 mph |
On average September is the 3rd wettest month of the year in Andorra with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
September temperatures in Andorra
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Andorra in September 2025.
Other monthly averages
Best places to visit in September
Andorra weather stats
| Hottest month: | July | 29°C 84.2°F |
|---|---|---|
| Driest month: | July | 24mm 0.9ins |
| Sunniest month: | July | 11.5hrs |
| Coldest month: | January | 9.1°C 48.4°F |
| Wettest month: | October | 68mm 2.7ins |
© Google
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