Last updated: August 27, 2025
September in Leysin, Switzerland boasts a blend of mild temperatures and picturesque landscapes. With a maximum of 23°C (74°F) and an average of 11°C (52°F), the crisp mountain air invites outdoor enthusiasts to explore. However, visitors should be prepared for the occasional chill, as temperatures can dip to a minimum of -5°C (24°F). This month also sees 120 mm (4.7 in) of rainfall spread over 15 days, contributing to the lush greenery that defines Leysin's charm. With humidity levels lingering around 81%, the air feels refreshing yet invigorating, making September a delightful time to experience the breathtaking beauty of this Swiss alpine village.
September in Leysin, Switzerland marks a transition from summer warmth to the crispness of autumn. With temperatures ranging from a mild -5°C (24°F) at night to a pleasant 23°C (74°F) during the day, visitors can enjoy the fading warmth while surrounded by stunning alpine scenery. The average temperature settles at a comfortable 11°C (52°F), making it an ideal time for outdoor activities, such as hiking and exploring the breathtaking landscapes. As the month progresses, the evenings grow cooler, hinting at the winter chill to come, yet September still offers a delightful blend of summer's lingering warmth and the freshness of autumn.
In September, Leysin typically experiences 120 mm (4.7 in) of precipitation over 15 days, marking a transitional phase as summer gives way to autumn. This month’s rainfall, lower than the preceding months of May (211 mm) and June (211 mm), signifies a gradual decline in precipitation as the year progresses. Despite this decrease, September's rainfall is still substantial, reflecting the region's lush landscapes and vibrant changes in foliage. Notably, the weather remains wet, attesting to the continuation of precipitation from the summer, with September standing out as a blend of summer's lingering warmth and the crisp onset of fall.
In September, Leysin, Switzerland, experiences a slight uptick in humidity, reaching 81%. This marks a gentle rebound from the low of 77% in August, suggesting a transition as the summer warmth gives way to the crispness of autumn. Generally, humidity levels in Leysin retain a prevailing moisture throughout the year, peaking in the winter months of January and December at an impressive 91%. The late summer to early autumn climate sees a gradual decrease before this seasonal resurgence, creating a dynamic interplay that defines Leysin's climate. As the air begins to cool, September's humidity foreshadows the wetter months ahead, maintaining the region's lush natural beauty.
As September rolls into Leysin, Switzerland, the UV Index reflects a transition into autumn with a reading of 7, categorized as high. This indicates that while the sun's intensity decreases from the summer peak, protective measures remain essential, with a burn time of approximately 25 minutes for unprotected skin. Compared to the intense very high UV levels of July and August—where burn time plummeted to just 15 minutes—September provides a more moderate environment, although still requiring cautious sun exposure. This monthly shift illustrates the seasonal variations in UV exposure, highlighting the importance of staying vigilant even as the temperatures start to cool. For more detailed information about UV conditions throughout the year, visit Leysin UV Index.
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September in Leysin, Switzerland, offers a delightful transition into autumn, with 330 hours of sunshine illuminating the landscape. This month's sunshine hours reflect a graceful decline from the peak summer enjoyment seen in July and August, which boasted 418 and 388 hours respectively. As the days grow shorter, the consistently high sunlight throughout the summer feeds a sense of warmth and vitality in the early fall. Remarkably, September holds onto nearly the same brightness as the earlier months of spring, with 297 hours in March and an impressive 354 hours in April, hinting at a lingering summer spirit. Visitors to Leysin during this time can bask in mild temperatures and radiant sunsets, making it an ideal month for outdoor adventures in this picturesque Swiss resort.
September in Leysin, Switzerland, experiences a 34% chance of sunny weather, marking a slight dip compared to the summer months. This year begins with brighter prospects in April (46%) and a peak in March (43%), before the sunshine potential wanes as autumn approaches. Interestingly, while October returns to a more favorable 46%, September maintains a balanced ambiance, suggesting that while the sun might not shine as prominently, the crisp mountain air and stunning landscapes offer their own charm. Overall, although September is less sunny than the summer's peak, it still holds promise for those looking to enjoy the beauty of the Alps in a milder climate.
As September rolls into Leysin, Switzerland, the daylight hours begin to wane, offering approximately 12 hours of sunlight—a gentle decline from the summer peak of 15 hours in June and July. This transition marks a shift in the rhythm of the year, where the warm glow of late summer gradually gives way to the crispness of autumn. Following a robust spring and summer filled with long, sunlit days, September's daylight serves as a reminder of the upcoming seasonal change, settling comfortably between the vibrant summer and the more subdued autumn months. As daylight hours diminish, the enchanting landscapes of Leysin prepare to showcase their fall colors, inviting both locals and visitors to embrace the beauty of this picturesque alpine village.
As September graces Leysin, Switzerland, the average wind speed dips slightly to 1.1 m/s (2 mph), reflecting a gentle shift towards the calm embrace of autumn. This month continues a trend of gradually decreasing winds from the summer months of July and August, where breezes fluttered at 1.1 m/s and 1.2 m/s, respectively. While the winds are softer, this serene atmospheric change sets a tranquil backdrop for the picturesque landscapes, hinting at the cooler months ahead. As nature prepares for winter's arrival, September's whispering winds invite a sense of peaceful transition in this idyllic alpine village.
Weather in Leysin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Leysin, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present significantly different weather conditions. In September, temperatures range from a brisk minimum of -5°C (24°F) to a pleasant maximum of 23°C (74°F), with an average of 11°C (52°F). The month typically sees about 120 mm (4.7 in) of precipitation over 15 days, and humidity hovers around 81%. In contrast, January is much colder, with temperatures dipping to a minimum of -24°C (-11°F) and only rising to a maximum of 8°C (48°F), averaging -6°C (22°F). The precipitation increases slightly to 138 mm (5.4 in) but occurs over fewer days (10), and humidity rises to 91%. For more specific details on January weather, you can check out Leysin weather in January.
In September, temperatures range from a low of -5°C (24°F) to a comfortable high of 23°C (74°F), with an average of 11°C (52°F). The month experiences about 120 mm (4.7 in) of precipitation over approximately 15 days, accompanied by a humidity level of 81%. In contrast, February brings much colder conditions, with temperatures dropping to a minimum of -20°C (-3°F) and peaking at 14°C (57°F), averaging -2°C (29°F). Although precipitation is similar at 115 mm (4.5 in), it occurs over just 11 days, and the humidity increases slightly to 89%. For a more detailed look at the specifics of February weather, you can visit Leysin weather in February.
September and March exhibit stark contrasts in weather conditions. In September, temperatures range from a chilly -5°C (24°F) at night to a comfortable 23°C (74°F) during the day, with an average of 11°C (52°F). The month experiences significant rainfall, totaling 120 mm (4.7 in) over about 15 days, combined with a humidity level of 81%. In contrast, March is considerably colder, with minimum temperatures dropping to -22°C (-8°F) and a daytime maximum of 16°C (62°F), resulting in a much lower average temperature of just 1°C (34°F). March also sees slightly higher precipitation at 142 mm (5.6 in), spread over the same 15 days, and increased humidity at 87%. For more details, check Leysin weather in March.
In comparing the weather between September and April, one can observe distinct shifts in temperature and precipitation. September typically boasts a milder average temperature of 11°C (52°F), with daily highs reaching up to 23°C (74°F), while April experiences a cooler average of 5°C (41°F) and a lower maximum of 20°C (68°F). Despite April having a slightly lower total precipitation of 90 mm (3.5 in) over 13 days compared to September’s 120 mm (4.7 in) over 15 days, the humidity levels remain high in both months, at 84% in April and 81% in September. For those interested in more details about April weather, you can check out Leysin weather in April.
In comparing the weather of September and May, we see notable differences in temperature, precipitation, and overall climatic conditions. September experiences milder temperatures, with a minimum of -5°C (24°F) and an average of 11°C (52°F), peaking at a comfortable 23°C (74°F). In contrast, May starts cooler, with lows of -11°C (13°F) and an average temperature of 8°C (47°F), but it can reach a maximum of 26°C (79°F), showcasing a broader range of temperatures.
Precipitation is more abundant in May, with a total of 211 mm (8.3 in) over approximately 20 days, compared to September's 120 mm (4.7 in) across 15 days. Interestingly, humidity levels remain similar, at 81% for September and 80% for May, contributing to the overall dampness often felt during both months. For a closer look at May's conditions specifically, you can find more information at Leysin weather in May.
In comparing the weather between September and June, one can observe notable differences in temperature and precipitation patterns. In September, temperatures range from a chilly -5°C (24°F) at night to a comfortable 23°C (74°F) during the day, with an average of 11°C (52°F). The month sees significant rainfall, totaling 120 mm (4.7 in) over approximately 15 rainy days, accompanied by a humidity level of 81%.
In contrast, June experiences milder temperatures, with minimums around -1°C (30°F) and maximums reaching up to 30°C (85°F), yielding an average of 13°C (56°F). However, June is notably wetter, receiving 211 mm (8.3 in) of rain across about 20 days, along with a slightly higher humidity level of 82%. This makes June generally warmer but also more humid and wetter compared to the cooler and drier September weather. For further details on the conditions in June, you can check Leysin weather in June.
When comparing the weather in September and July, several notable differences emerge. September experiences a wider temperature range with a minimum of -5°C (24°F) and an average of 11°C (52°F), compared to July's milder minimum of 2°C (36°F) and an average of 15°C (59°F). July tends to be warmer overall, with a maximum temperature reaching 28°C (83°F) versus September's high of 23°C (74°F). Precipitation levels also differ, with July seeing more rain at 206 mm (8.1 in) over 17 days, while September records 120 mm (4.7 in) across 15 days. Humidity remains fairly consistent between the two months, at 81% in September and 82% in July. For a closer look at July's weather specifics, check this link: Leysin weather in July.
In comparing the weather between August and September, we see a notable shift in temperatures and precipitation patterns. August generally experiences warmer conditions, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F), while September cools down, with temperatures dropping to a minimum of -5°C (24°F) and a maximum of 23°C (74°F). Additionally, August tends to be wetter, boasting 189 mm (7.4 in) of precipitation over 16 days, compared to September's 120 mm (4.7 in) spread over 15 days. Humidity levels are slightly higher in September at 81%, compared to August's 77%. For more detailed insights into August weather specifically, you can refer to Leysin weather in August.
In September, the weather features a milder average temperature of 11°C (52°F), with maximums reaching 23°C (74°F), while October sees a drop to an average of 7°C (44°F) and maximums of 20°C (68°F). Both months experience low minimum temperatures of -5°C (24°F), but October is marked by increased humidity at 89% compared to September's 81%. Additionally, October typically receives slightly more precipitation at 127 mm (5.0 in) over 13 days, while September has 120 mm (4.7 in) over 15 days. For more details, check out Leysin weather in October.
September and November present stark contrasts in weather conditions. September typically enjoys milder temperatures, with minimums around -5°C (24°F) and maximums reaching up to 23°C (74°F), resulting in an average of 11°C (52°F). While this month sees considerable precipitation at 120 mm (4.7 in) over 15 days, the humidity is slightly lower at 81%. In contrast, November's weather is much chillier, featuring a minimum temperature of -17°C (1°F) and a significantly lower average of 1°C (33°F). The maximum temperature is also noticeably cooler, at 17°C (63°F). Despite a slightly lower total precipitation of 105 mm (4.1 in) over 12 days, November has higher humidity at 89%, adding to the crisp feel of late fall. For more details, you can check out Leysin weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of -5°C (24°F) to a pleasant average of 11°C (52°F), peaking at a warm 23°C (74°F). This month typically experiences about 120 mm (4.7 in) of precipitation over 15 days, with humidity levels around 81%. In contrast, December plunges temperatures significantly, with lows reaching -25°C (-13°F) and an average of -4°C (24°F), only climbing to a maximum of 9°C (48°F). This colder month receives even more precipitation, totaling 228 mm (9.0 in) across 18 days, while humidity climbs to 91%. For those curious about what to expect, you can find more details by checking Leysin weather in December.
As September unfolds in Leysin, the weather showcases a remarkable transition from the warmth of summer to the cool embrace of autumn. With average temperatures dipping and the days growing shorter, this month brings refreshing breezes and a notable increase in precipitation, making it wetter than the sunnier summer months. The air is laden with an invigorating humidity, often refreshing yet cool enough to require a light jacket during the evenings. This unique blend of crisp air and gentle rainfall makes September a wonderful time to experience the beauty of Leysin's natural scenery. For a deeper understanding of the seasonal shifts, explore more at Leysin Climate.