Last updated: August 25, 2025
September in La Massana, Andorra unveils a captivating blend of autumnal charm and moderate weather. With maximum temperatures reaching around 23°C (74°F) and a cooling average of 11°C (52°F), visitors can expect comfortable days that gradually transition into crisp evenings. The month witnesses a minimum of -3°C (27°F), hinting at the impending winter while still holding onto the warmth of summer. Although precipitation is a notable aspect, totaling 70 mm (2.8 in) over approximately 12 days, it adds a refreshing quality to the already vibrant landscapes. With humidity levels averaging 73%, the air is pleasantly cool, making September a perfect time to explore the stunning outdoors of this picturesque Andorran region.
September in La Massana, Andorra, marks a delightful transition from summer's warmth to autumn's crispness. With temperatures ranging from a minimum of -3°C (27°F) to a comfortable maximum of 23°C (74°F), visitors can expect mild days perfect for outdoor adventures amid stunning mountain scenery. The average temperature of 11°C (52°F) invites leisurely strolls and exploration, as daylight gradually shortens. Those cozy sweaters might come in handy during the cooler evenings, but the lingering warmth of late summer still prevails, making September a charming month to experience the beauty of Andorra.
September in La Massana, Andorra, typically sees a moderate precipitation level of 70 mm (2.8 in), marking a slight decline following the summer months. With rain occurring over 12 days, the early autumn brings a refreshing change after the peak of summer precipitation, where June recorded its highest at 115 mm. This gradual decrease in rainfall reflects the transition toward drier fall months, with October seeing a slight uptick again at 85 mm (3.3 in). Overall, September serves as a gentle shift in the weather, providing both lush landscapes and a hint of the crispness that winter will soon bring.
In September, La Massana experiences a slight uptick in humidity, averaging 73%, a modest increase from the summer months. This return to higher humidity levels signifies the transition into autumn, as the warmth of summer gives way to cooler temperatures. Notably, September serves as a bridge between the drier months of mid-year—when humidity reached a low of 70% in August—and the wetter autumn and winter seasons ahead, where humidity will climb substantially, peaking at 88% in December. This fluctuation illustrates La Massana's unique climate dynamics, showcasing how the region’s humidity ebbs and flows throughout the year.
As summer transitions to autumn in la Massana, Andorra, September sees a noticeable shift in the UV Index, dropping to 8—a very high exposure level that recommends cautious sun protection measures. This follows the peak summer months of June and July, where the UV Index reaches an extreme 11, necessitating swift action to minimize burn times to just 10 minutes. Even as the weather begins to cool, September still requires vigilance, with a burn time of 15 minutes underlining the need for sunscreen and protective clothing. Observing this trend, it's essential to adapt your sun protection strategies as you enjoy the beautiful early fall days. For more detailed insights on the UV Index, visit la Massana UV Index.
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In September, la Massana basks in a delightful average of 343 hours of sunshine, marking a continuation of the warm glow that starts in the summer months. Following a peak in July with an impressive 427 hours, the days begin to shorten slightly, yet September still enjoys a healthy amount of sunlight, providing a perfect backdrop for exploring the stunning landscapes. The gradual decline in sunshine hours from August’s 397 hours signals the transition into autumn, but this month remains a vibrant time to experience the natural beauty of Andorra before the cooler months set in. As the year progresses, the sunshine hours dip through October and into winter, with January trailing at just 201 hours, emphasizing the preciousness of September's lingering warmth.
In La Massana, Andorra, the likelihood of sunny weather sees notable fluctuations throughout the year. September marks a dip, with only a 21% chance of sunshine, reflecting a transition from the brighter summer months. August is the peak, boasting a 46% chance, but as autumn approaches, the sunny days diminish sharply. Interestingly, the trend shows that while summer provides ample sunshine with July and August leading the pack, the early fall months tend to cloud over, echoing a cool, crisp change in the air. Looking ahead, October offers a rebound to 42%, suggesting that sunny spells can still grace the skies even as the leaves turn.
As September arrives in La Massana, Andorra, daylight begins to wane slightly, providing about 12 hours of sunshine each day. Following the summer peak in June with its generous 15 hours of light, the trend shifts as the days shorten, reflecting the transition into autumn. This gradual decrease continues into October, where daylight dips to 11 hours before settling into the shorter days of winter. Despite this reduction, September still enjoys a comfortable balance of light, making it a beautiful time for outdoor activities amidst the backdrop of changing foliage. The steady progression from longer summer days to the more subdued hours of autumn is a reminder of nature's cyclical rhythm in this serene mountainous region.
As autumn approaches in la Massana, Andorra, the September wind brings a notable shift in the air. With an average wind speed of just 1.4 m/s (3 mph), the breezes become gentler, creating a serene atmosphere that complements the changing foliage. This decline from the summer months reflects a broader trend; throughout the year, wind speeds consistently decrease, from a brisk 2.0 m/s in January to September's calm. The softening of the winds not only signals the transition into fall but also invites residents and visitors alike to savor the picturesque landscapes and embrace the tranquil vibes of the season.
Weather in la Massana varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in la Massana, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in La Massana is much milder, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (74°F). With an average precipitation of 70 mm (2.8 in) over 12 days, the humidity is relatively moderate at 73%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -20°C (-3°F) and averaging around -3°C (28°F), peaking at 10°C (51°F). Despite slightly higher precipitation of 76 mm (3.0 in) over 9 days, January's humidity is notably higher at 87%. For more details, check out la Massana weather in January.
In September, temperatures range 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 relatively moderate humidity at 73%. The month sees about 70 mm (2.8 in) of precipitation over approximately 12 days. In contrast, February tends to be much colder, with temperatures fluctuating between -15°C (5°F) and a maximum of 12°C (55°F), resulting in an average of 0°C (33°F) and higher humidity levels at 83%. Precipitation in February is slightly less at 60 mm (2.4 in), occurring over around 10 days. For more details, visit la Massana weather in February.
In comparing the weather between September and March, it becomes evident that March is generally colder and wetter. September enjoys milder temperatures, with averages around 11°C (52°F) and a maximum of 23°C (74°F), while March has an average temperature of just 1°C (34°F) and can drop as low as -11°C (12°F). Additionally, March experiences more precipitation than September, with 87 mm (3.4 in) falling over 14 days compared to September's 70 mm (2.8 in) over 12 days. The humidity is also slightly higher in March at 80%, compared to September's 73%. For more detailed insights on March weather, you can visit la Massana weather in March.
In comparing the weather of September and April, notable differences emerge. September enjoys milder temperatures, with an average of 11°C (52°F) and a maximum of 23°C (74°F), compared to April's cooler average of 3°C (38°F), with highs reaching only 15°C (59°F). While both months experience a noteworthy amount of precipitation, April sees slightly more rainfall at 93 mm (3.7 in) over 13 days, in contrast to September's 70 mm (2.8 in) over 12 days. Additionally, humidity levels are slightly higher in April at 77%, compared to 73% in September. For a detailed look at April weather specifics, please visit la Massana weather in April.
In comparing the weather of September and May, September generally offers a milder range of temperatures, with average highs reaching 23°C (74°F) compared to May's maximum of 22°C (72°F). However, May experiences cooler minimum temperatures of -9°C (17°F), whereas September sees a higher minimum of -3°C (27°F). Additionally, September tends to be less rainy, with 70 mm (2.8 in) of precipitation over 12 days, in contrast to May's 111 mm (4.4 in) over 19 days. Both months have relatively high humidity levels, with September at 73% and May slightly higher at 75%. For more specific details about May weather, please visit la Massana weather in May.
In comparing the weather between September and June, we can observe notable differences in temperature and precipitation patterns. September features a temperature range from a chilly -3°C (27°F) to a pleasant max of 23°C (74°F), with an average temperature of 11°C (52°F). In contrast, June boasts slightly warmer temperatures, with a minimum of -3°C (26°F) and a maximum reaching 28°C (82°F), along with an average of 13°C (55°F). Additionally, June experiences more precipitation, totaling 115 mm (4.5 in) over 15 days, compared to September's 70 mm (2.8 in) over 12 days. Both months have similar humidity levels, hovering around 73-74%. For more detailed insights, you can check la Massana weather in June.
In comparing the weather of September and July, 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), while July has a slightly warmer average, with temperatures ranging from 2°C (37°F) to 26°C (78°F). Precipitation is fairly similar in both months, with September recording 70 mm over 12 days and July slightly less at 65 mm over 10 days. Humidity levels are comparable too, with September at 73% and July at 72%. For more detailed information, you can check la Massana weather in July.
In comparing the weather of September and August, we see distinct differences in temperature and precipitation. September’s temperatures show a decline, with a minimum of -3°C (27°F) and an average of 11°C (52°F), compared to August's milder temperatures, which range from a minimum of 0°C (32°F) to an average of 15°C (60°F). The maximum temperature in September is also lower at 23°C (74°F), while August peaks at 27°C (81°F). Additionally, September experiences slightly less precipitation, totaling 70 mm (2.8 inches) over 12 days, in contrast to August's 78 mm (3.1 inches) over the same number of days. Humidity levels remain comparable, with September at 73% and August at 70%. For a closer look at August weather specifics, you can visit la Massana weather in August.
September exhibits milder temperatures with a minimum of -3°C (27°F) and an average of 11°C (52°F), peaking at 23°C (74°F). In contrast, October brings a noticeable chill, with minimum temperatures dropping to -13°C (9°F) and an average of 7°C (45°F), while the maximum reaches 20°C (69°F). Both months experience significant precipitation, but October sees an increase to 85 mm (3.3 in) over 9 days, compared to September's 70 mm (2.8 in) over 12 days. Additionally, October has a higher humidity level of 82%, compared to 73% in September. For those looking for more specifics, you can check out la Massana weather in October.
September and November exhibit significant differences in weather patterns. In September, temperatures range from a 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 sees around 70 mm (2.8 in) of precipitation spread over 12 days, and humidity levels hover at 73%. In contrast, November experiences colder temperatures, with minimums plummeting to -14°C (6°F) and maximums reaching only 16°C (61°F), resulting in an average of just 1°C (33°F). Precipitation increases slightly to 86 mm (3.4 in) over 13 days, accompanied by higher humidity at 87%. For more detailed insights, you can check la Massana weather in November.
In September, temperatures range from a chilly -3°C (27°F) at night to a mild 23°C (74°F) during the day, with an average temperature of 11°C (52°F). The month experiences about 70 mm (2.8 in) of precipitation over 12 days, accompanied by a humidity level of 73%. In contrast, December sees much colder temperatures, with a minimum dropping to -14°C (6°F) and an average of -1°C (30°F). While the maximum temperature in December reaches only 11°C (52°F), overall precipitation increases to 93 mm (3.7 in) over the same number of rainy days, and humidity rises significantly to 88%. For more detailed information about December weather, visit la Massana weather in December.
As summer gracefully transitions into autumn, September in La Massana brings a distinct shift in weather patterns. The temperatures start to cool, often reflecting milder days compared to the sweltering heights of summer, while chilly nights signal the impending winter. With an average temperature of 11°C, this month offers a refreshing break, contrasted by an increase in precipitation, which can lead to more frequent rainy days. Although the mornings might still retain some warmth, don’t forget to pack a cozy jacket for those crisp evenings. This blend of cooler temperatures and moderate humidity adds a unique charm to September, making it an ideal time to experience the vibrant beauty of the changing landscape. For a deeper dive into the weather patterns, explore la Massana Climate.