Last updated: August 25, 2025
September in Canillo, Andorra offers a delightful mix of cool temperatures and refreshing breezes. Visitors can expect a maximum temperature reaching 23°C (74°F), while the average hovers around a comfortable 11°C (52°F), dipping to a minimum of -3°C (27°F) at night. This month experiences about 70 mm (2.8 in) of precipitation spread over 12 days, contributing to the lush landscape and vibrant autumn hues. With humidity levels at 73%, the air holds a crispness that's invigorating, making September an ideal time for outdoor adventures and scenic explorations in this picturesque alpine region.
In September, Canillo, Andorra starts to transition from the warmth of summer to the crispness of autumn. With temperatures ranging from a cool -3°C (27°F) at night to a pleasant daytime high of 23°C (74°F), this month showcases a significant shift, with an average temperature of 11°C (52°F). The nights begin to dip, signaling the impending winter, yet the days still bask in mild sunshine, making it a delightful time for outdoor activities. This trend of cooler evenings paired with temperate days creates a perfect atmosphere for exploring the stunning landscapes of Andorra before the winter chill sets in.
September in Canillo, Andorra sees a moderate precipitation total of 70 mm (2.8 inches) spread over 12 days. This marks a slight decrease from the summer months, where July and August recorded 65 mm and 78 mm, respectively. The trend suggests a gradual transition from the wetter spring months, peaking in May and June, towards the drier fall season. As autumn approaches, the consistent, albeit lower rainfall hints at a shift in the weather patterns, preparing the region for cooler temperatures while maintaining its lush landscapes. The balance of precipitation days remains stable, contributing to the charming and vibrant scenery only autumn in the Pyrenees can offer.
In September, Canillo experiences a slight increase in humidity, registering at 73%. This marks a subtle rise from the summer months, where July and August enjoy lower levels at 72% and 70%, respectively. As the region transitions into autumn, humidity levels begin to creep upwards, foreshadowing the more humid conditions typical of the later months. The trend is evident as Canillo witnesses a notable spike in humidity during the fall, culminating in October's 82% and returning to the high levels characteristic of winter. This gradual shift not only reflects seasonal changes but also underscores the delicate balance of moisture in Canillo's climate throughout the year.
As September rolls into Canillo, Andorra, the UV Index stands at a notable 8, indicating a very high level of exposure that calls for caution during outdoor activities. While this marks a slight decrease from the peak summer months of June and July, where the index reached an extreme 11, September still requires vigilance with a burn time of just 15 minutes. This transition into autumn follows a steady upward trend from the beginning of the year, which started at a moderate 3 in January and climbed to a striking 10 in May. The noticeable seasonal shift in UV levels reflects the changing environment, urging residents and visitors to stay informed and protected. For more details, check out the Canillo UV Index.
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September in Canillo, Andorra, basks in an impressive 343 hours of sunshine, marking a delightful transition from the peak summer glow. As the summer months peak with 427 hours in July and a robust 397 hours in August, September gently tapers off, yet still holds significant warmth and brightness. This month showcases a harmonious blend of sunny days and cooler temperatures, inviting visitors to enjoy the stunning autumn landscapes. The trend indicates a gradual decrease in sunlight as the year progresses, with October following closely at 306 hours. September’s ample sunshine not only brightens the skies but also encourages outdoor adventures against the backdrop of the picturesque Andorran mountains.
In Canillo, Andorra, the likelihood of sunny weather in September takes a noticeable dip, with only a 21% chance of sunshine. This aligns with a general downward trend following the peak summer months of July and August, where the chances soar to a sunny 45% and 46%, respectively. As autumn approaches, the probability of sun begins to falter, hinting at the seasonal transition and a return to more variable weather patterns. Interestingly, while September stands out for lower sunshine levels, it mirrors the conditions found in April and May, suggesting a consistent tendency towards overcast skies as the days shorten. Overall, those planning to visit Canillo in September should be prepared for a mix of sunny spells and cloudy days.
As summer gives way to autumn in Canillo, Andorra, September brings a gradual shift in daylight duration. With approximately 12 hours of daylight, this month reflects a slight decrease following the peak of 15 hours in June. The transition from the longer days of summer to the shorter days of fall is evident, as September offers a balanced blend of sunlight, making it an ideal time for outdoor activities. As the days continue to shorten, visitors can enjoy the stunning autumn landscapes before the daylight dwindles further in October and November, when daylight dips back to 11 and 9 hours, respectively. This rhythm of changing light underscores the beautiful seasonal shift that characterizes life in the Pyrenees.
As September rolls into Canillo, Andorra, the gentle whispers of autumn begin to emerge, with average wind speeds dipping to 1.4 m/s (3 mph). This marks a noticeable trend as the winds gradually soften after the summer months, where they hovered around 1.5 to 1.7 m/s. The transition to fall is subtly signaled by this calming breeze, echoing the vibrant changes in the landscape. Compared to earlier in the year, where winter months boast stronger winds averaging between 1.6 and 2.0 m/s, September provides a serene contrast, inviting visitors to relish the crisp mountain air while savoring the stunning alpine scenery.
Weather in Canillo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Canillo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures typically range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 23°C (74°F), with an average of 11°C (52°F). This month experiences moderate precipitation, totaling 70 mm (2.8 in) over about 12 days, with humidity around 73%. In contrast, January is far colder, with temperatures dropping to a minimum of -20°C (-3°F) and peaking at just 10°C (51°F), resulting in an average of -3°C (28°F). Although January receives slightly more precipitation (76 mm or 3.0 in), it does so over fewer days (9), and the humidity is higher at 87%. For more detailed information, you can check Canillo weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 23°C (74°F), with an average of 11°C (52°F). The month experiences around 70 mm (2.8 in) of precipitation over 12 days, coupled with a humidity level of 73%. In contrast, February is significantly colder, with temperatures dipping as low as -15°C (5°F) and only reaching a maximum of 12°C (55°F), resulting in an average temperature of 0°C (33°F). Precipitation is slightly lower at 60 mm (2.4 in) over 10 days, but the humidity is higher at 83%. For more specific weather insights during February, check out Canillo weather in February.
In September, the weather is relatively mild, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), averaging around 11°C (52°F). The month experiences about 70 mm (2.8 in) of precipitation over approximately 12 days, coupled with a humidity level of 73%. In contrast, March is notably colder, with temperatures fluctuating between a minimum of -11°C (12°F) and a maximum of 15°C (59°F), averaging just 1°C (34°F). Precipitation increases to 87 mm (3.4 in) over 14 days, and humidity rises to 80%. For more detailed information, you can check Canillo weather in March.
In comparing the weather of September and April, September generally presents milder conditions with average temperatures ranging from -3°C (27°F) at night to a pleasant 23°C (74°F) during the day. In contrast, April tends to be colder, with temperatures dropping as low as -12°C (10°F) and peaking at 15°C (59°F). Furthermore, April receives slightly more precipitation, totaling 93 mm (3.7 in) over about 13 days, compared to September’s 70 mm (2.8 in) across 12 days. Humidity levels are also higher in April at 77%, compared to September’s 73%. For more details on April's weather, you can check Canillo weather in April.
When comparing the weather in September and May, it’s clear that both months showcase distinct characteristics. September typically presents milder temperatures, with an average of 11°C (52°F) and daily highs reaching 23°C (74°F), while May is generally cooler, averaging 8°C (46°F) with a maximum of 22°C (72°F). Precipitation in May is notably higher, accumulating to 111 mm (4.4 in) over 19 days compared to September's 70 mm (2.8 in) over just 12 days. Additionally, the humidity levels are quite similar, with September at 73% and May slightly higher at 75%. For a detailed view of monthly weather conditions, you can check Canillo weather in May.
When comparing the weather in September and June, both months exhibit cool temperatures and varying precipitation levels. September's temperature ranges from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), with an average of 11°C (52°F) and a comparatively lower precipitation of 70 mm (2.8 in) over 12 days. In contrast, June has a slightly warmer average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and total precipitation of 115 mm (4.5 in) over 15 days. Humidity remains similar across both months, hovering around 73-74%. This makes June generally warmer and wetter than September, providing a different experience for outdoor activities. For more details on June weather, check out Canillo weather in June.
In comparing the weather between September and July, September typically experiences a broader temperature range with a minimum of -3°C (27°F) and a maximum of 23°C (74°F), averaging around 11°C (52°F). In contrast, July is warmer, with minimum temperatures at 2°C (37°F) and a maximum of 26°C (78°F), leading to an average of 15°C (60°F). Both months see similar levels of precipitation, with September receiving 70 mm (2.8 in) over 12 days and July slightly less at 65 mm (2.6 in) across 10 days. Humidity levels are quite comparable as well, with September at 73% and July at 72%. For those interested in more detailed information, you can find it here: Canillo weather in July.
In comparing the weather between August and September, September tends to be cooler with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F), whereas August experiences milder conditions, with temperatures ranging from 0°C (32°F) to 27°C (81°F). Precipitation is slightly lower in September at 70 mm (2.8 in) over 12 days, while August has a bit more rain at 78 mm (3.1 in) for the same number of days. Humidity levels are relatively similar, with September at 73% and August at 70%. For a deeper dive into August weather specifics, you can check Canillo weather in August.
The weather in September is generally milder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F) and an average of 11°C (52°F). The month experiences moderate precipitation, totaling 70 mm (2.8 in) over approximately 12 days, with humidity averaging around 73%. In contrast, October brings cooler temperatures, with a minimum temperature dropping to -13°C (9°F) and an average of 7°C (45°F), while the maximum is slightly lower at 20°C (69°F). October also sees increased precipitation, totaling 85 mm (3.3 in) over 9 days, and higher humidity levels at 82%. For more details, you can check Canillo weather in October.
September sees a more temperate climate, with average temperatures around 11°C (52°F) and a maximum reaching up to 23°C (74°F), while November experiences a significant drop, where the average temperature is just 1°C (33°F) and the maximum temperature peaks at 16°C (61°F). Precipitation is slightly higher in November at 86 mm (3.4 in), compared to 70 mm (2.8 in) in September, and both months witness a similar number of rainy days, with September having 12 days and November having 13. Additionally, humidity levels increase from 73% in September to 87% in November, contributing to a more chill and damp atmosphere. For more details, you can check Canillo weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a chilly -3°C (27°F) at night to a pleasant max of 23°C (74°F) during the day, with an average of 11°C (52°F). The month experiences about 70 mm (2.8 in) of precipitation over 12 days and maintains a humidity level of 73%. In sharp contrast, December sees much colder temperatures, with a minimum of -14°C (6°F) and a maximum of 11°C (52°F), averaging around -1°C (30°F). Precipitation in December rises to 93 mm (3.7 in), also spread over 12 days, while humidity levels increase to 88%. For more details on December weather, you can check Canillo weather in December.
As summer gently transitions into autumn, September in Canillo offers a refreshing respite with its milder temperatures and notable precipitation. Unlike the peak warm months, this enchanting period sees average temperatures settling around 11°C (52°F), making it a perfect time for outdoor adventures amidst the stunning landscapes. With rainfall occurring on approximately 12 days, the lush environment thrives, creating a vibrant backdrop for your activities. This month’s 73% humidity adds a crispness to the air, making it feel invigorating. If you’re curious about how the weather in Canillo evolves throughout the year, check out Canillo Climate.