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Pas de la Casa Weather in September
Thinking of visiting Pas de la Casa in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 6°C (43°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Pas de la Casa in September
Historically, the month has about 12 days of rain, averaging 82 mm (3.2 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Pas de la Casa in September
Daytime temperatures in Pas de la Casa reach 17°C (63°F) in September, dropping to 6°C (43°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pas de la Casa Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
38%
Precipitation
82 mm (3.2 in)
Rainy days
12 days
Pas de la Casa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Pas de la Casa - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Pas de la Casa typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Pas de la Casa in September
Browse day-by-day weather records for Pas de la Casa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pas de la Casa historical weather extremes in September
Based on weather observations in Pas de la Casa between 1976 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Pas de la Casa reached 36°C (97°F) (September 16, 1987).
- On September 23, 2025, Pas de la Casa saw its coldest September day with temperatures maxing out at 8°C (46°F).
- The lowest overnight temperature recorded in September was -3°C (27°F) (September 14, 2024).
Best Places in Andorra in September
Find out more about the weather in Andorra and which places have the best travel conditions in this month. See all of Andorra in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Pas de la Casa in September
For Pas de la Casa in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Pas de la Casa in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Pas de la Casa 3-Day Forecast
More climate data for Pas de la Casa
See the full Pas de la Casa climate overview or explore weather in Andorra.
Popular in September
Where to go in September - average daytime high across popular destinations.
Arinsal
18°C (64°F) Soldeu18°C (64°F) Ordino18°C (64°F) Canillo18°C (64°F) Encamp17°C (63°F) Andorra la Vella17°C (63°F) El Tarter18°C (64°F) Pas de la Casa17°C (63°F) Bucket list
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