Climate guide for Arinsal, Andorra

Arinsal in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Andorra

Best time to visit Arinsal in September Weather, crowds & prices

Weather in Arinsal in September

Average temperature 13°C, 61 mm of rain, about 16 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

1.7/10

Ranked #10 of 12 months

Full year for Arinsal
Avg temp
13°C
Rainfall
61 mm
Humidity
68%
Days with 6h+ sun
16
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Arinsal scores 1.7/10 for snow and ski travel - ranked #10 of 12. Expect around 13°C, 61 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.

Arinsal is a compact Vallnord ski village with beginner-friendly slopes and lively après in a mountain pocket. Best window: the core winter snow season, with shoulder weeks for quieter slopes.

September in Arinsal: expect compromises

September averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 61 mm, so plan one flexible day in three; you still get about 16 days with 6+ hours of sunshine and 12.3 hours of daylight.

It scores 1.7/10 here, 10th of 12 months, against 7.6/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Figure on low-season pricing, with crowds are light for this destination.

Flexible dates? January scores 5.9 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Arinsal in September?
In September, Arinsal averages 13°C, 61 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 1.7/10.
Is September a good time to visit Arinsal?
September earns a 1.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Arinsal in September?
Expect about 61 mm of rain in September. Average humidity is 68% and there are about 16 days with 6+ hours of sunshine.

Curated in Arinsal

Tickets & experiences

Things to do in Arinsal

Arinsal, Andorra. Live activities and tours from GetYourGuide, matched to this destination.