Last updated: August 27, 2025
September in Klosters Serneus, Switzerland greets visitors with a mild climate characterized by a maximum temperature of 22°C (72°F) and an average of 10°C (49°F). As autumn unfolds, temperatures can dip to a minimum of -6°C (21°F), creating crisp mornings and invigorating days. The area experiences significant precipitation, with 151 mm (6.0 in) spread over 16 days, contributing to the lush landscape. With a humidity level of 83%, the air feels refreshingly cool, making September an ideal time for outdoor adventures amidst stunning Alpine scenery.
In September, Klosters Serneus begins to transition from the warm embrace of summer to the crispness of autumn. With minimum temperatures dipping to a chilly -6°C (21°F) and a pleasant average of 10°C (49°F), the village offers a refreshing escape from the heat of the preceding months. The maximum temperature peaks at a comfortable 22°C (72°F), allowing visitors to enjoy the stunning alpine scenery in mild conditions. This month marks a notable shift, as temperatures start to decline from the summer highs, hinting at the approaching winter. Whether you're hiking in the cooler air or savoring the vibrant autumn colors, September in Klosters Serneus is a time of beautiful contrasts and natural beauty.
In September, Klosters Serneus experiences a notable precipitation amount of 151 mm (6.0 in), reflecting the region's transition into autumn. With 16 days of rain, this month sees a balance between summer's lingering showers and the onset of cooler, crisper weather. Although this is a decrease from the wetter months of July and August, it still maintains a healthy level of rainfall compared to the earlier months of the year. This consistent precipitation supports the lush alpine landscapes, ensuring that the stunning scenery remains vibrant and inviting as the leaves start to turn. As summer fades, September serves as a pivotal month, paving the way for the drier conditions often observed in October.
In September, Klosters Serneus experiences a relatively stable humidity level at 83%, continuing a slight rise from the summer months. The humidity remains consistent, reflecting a shift from the drier air of August, which recorded 80%. As autumn approaches, the region feels an increase in moisture, hinting at the upcoming seasonal change. This trend of higher humidity continues into the beginning of fall, paralleling the rise seen in October when levels soar to 90%, resembling the winter months ahead. Overall, September serves as a transitional phase, bridging the gentle warmth of summer with the crisp embrace of autumn in this picturesque Swiss alpine destination.
As summer gently fades into autumn, September in Klosters Serneus, Switzerland sees a UV Index of 7, indicating a high exposure category. This shift marks a slight decline from the peak summer months of July and August, where the UV Index reached 10. Despite the decreasing intensity of sunlight, outdoor enthusiasts should still be cautious as the burn time remains at 25 minutes, allowing for significant sun exposure. Comparing previous months, we see that September’s UV Index mirrors that of April, suggesting a trend where early autumn retains a strong potential for sunburn, though not as intense as the midsummer months. For anyone planning to enjoy the crisp mountain air, it’s essential to stay informed and take protective steps. For more details on UV levels, check the Klosters Serneus UV Index.
UV Risk Categories
In September, Klosters Serneus basks in a delightful 316 hours of sunshine, a lovely continuation of the vibrant summer months that precede it. The trend shows a gradual decline from the peak of 409 hours in July, followed closely by August's 376 hours. This shift marks the transition into autumn, where the sun still shines bright but hints at the cooler days ahead. Despite the decrease, September offers a serene backdrop with plenty of sun, perfect for enjoying the stunning alpine scenery before the colder months set in. As the days grow shorter, visitors can savor the lingering warmth and beauty of early autumn in this picturesque Swiss village.
In Klosters Serneus, Switzerland, the likelihood of sunny weather in September stands at a promising 39%, reflecting a somewhat brighter outlook as summer transitions to autumn. This slight uptick in sunshine probabilities compared to the preceding months of July and August, both at 29%, suggests that September enjoys a few more sunny spells, making it an ideal time for outdoor enthusiasts. Although the chance of sun ebbs slightly into the fall months, with October at 37%, September still holds its ground as a favorable month for enjoying the picturesque landscapes under the sun, promising a beautiful backdrop for hiking and exploration.
As September arrives in Klosters Serneus, Switzerland, the daylight hours begin their gentle decline, offering 12 hours of sunlight. This month marks a transition from the vibrant luminescence of summer, characterized by 15 hours in June and July, to the shorter days ahead in October with only 10 hours. After a gradual increase through spring and summer, where daylight steadily climbed from 8 hours in January to a peak in May, September embraces a more balanced twilight ambiance, perfect for autumnal strolls amid the spectacular fall foliage. While the sunlight recedes, the enchanting landscapes of Klosters continue to draw visitors, showcasing nature’s beauty as it shifts into a new season.
In September, the winds in Klosters Serneus, Switzerland maintain a gentle demeanor, averaging a consistent 1.2 m/s (3 mph). This marks a continuation of the summer's mild breeze, reflecting a trend of stability in wind speed that has persisted throughout the warmer months. As the seasons transition towards autumn, the approach of cooler temperatures brings a slight increase in wind speed into October, where it ticks up to 1.4 m/s (3 mph). This gradual shift encapsulates the picturesque scenery of Klosters Serneus, where the soft whispers of the wind serenade visitors amidst the vibrant foliage of early fall.
Weather in Klosters Serneus varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Klosters Serneus, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September is generally milder and more variable, with temperatures ranging from a chilly -6°C (21°F) at night to a pleasant 22°C (72°F) during the day, resulting in an average of 10°C (49°F). In contrast, January brings a much harsher climate, with minimum temperatures plummeting to -29°C (-19°F), and an average temperature of -6°C (22°F), highlighting a significant drop in warmth. Although September experiences more precipitation on 16 days, totaling 151 mm (6.0 in), January sees less rainfall, with 134 mm (5.3 in) over 12 days, yet both months are characterized by high humidity levels, 83% in September and 92% in January. For more detailed information, you can check out Klosters Serneus weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -6°C (21°F) at night to a pleasant 22°C (72°F) during the day, with an average of 10°C (49°F). This month experiences relatively high humidity at 83% and receives significant rainfall, totaling 151 mm (6.0 in) across about 16 days. Conversely, February is much colder, with temperatures dipping as low as -22°C (-7°F) and peaking at 11°C (52°F), averaging around -3°C (27°F). Although February has less overall precipitation, totaling 89 mm (3.5 in) over 13 days, it is marked by even higher humidity at 89%. For those interested in specifics about February weather in the Klosters Serneus area, please visit Klosters Serneus weather in February.
In comparing the weather between September and March, we see notable differences in temperature and precipitation patterns. September typically experiences milder temperatures, with a minimum of -6°C (21°F) and an average of 10°C (49°F), peaking at a maximum of 22°C (72°F). It also has higher precipitation levels, averaging 151 mm (6.0 in) over 16 days, along with a humidity of 83%. In contrast, March presents a much colder climate, with minimum temperatures plunging to -23°C (-9°F) and an average of 0°C (32°F), capped at 13°C (56°F). Although March has slightly less precipitation at 123 mm (4.8 in), it is spread out over 18 days, coupled with a higher humidity of 87%. For more details on weather in this chilly month, you can visit Klosters Serneus weather in March.
When comparing the weather in September and April, it's clear that September generally offers milder conditions. September's average temperature is 10°C (49°F), with maximums reaching up to 22°C (72°F), making it significantly warmer than April, which has an average temperature of just 3°C (38°F) and maximums of 19°C (66°F). Additionally, September experiences higher precipitation levels at 151 mm (6.0 in) over 16 days, compared to April's 101 mm (4.0 in) over 13 days. Both months have similar humidity levels, with September at 83% and April slightly higher at 84%. For more detailed insights into the weather during this time, you can check Klosters Serneus weather in April.
When comparing the weather in September and May, we can observe notable differences in temperature, precipitation, and humidity. September typically sees a milder temperature range, with averages of 10°C (49°F) and maximums reaching 22°C (72°F), while May, although slightly colder on average at 7°C (45°F), boasts a higher maximum temperature of 24°C (75°F). Precipitation levels are also significant in both months, with September receiving 151 mm (6.0 in) over 16 days and May receiving 189 mm (7.4 in) over 23 days, indicating that May tends to be wetter overall. Additionally, humidity levels are quite high in both months, with September at 83% and May slightly lower at 80%. For more detailed information, you can check Klosters Serneus weather in May.
Comparing the weather in September and June, we see notable differences in temperature and precipitation patterns. September experiences a temperature range from a chilly minimum of -6°C (21°F) to an average of 10°C (49°F) and a maximum of 22°C (72°F), while June is typically milder, with temperatures ranging from -1°C (31°F) to an average of 13°C (55°F) and peaking at 28°C (84°F). Both months see significant rainfall, with September receiving 151 mm (6.0 in) over 16 days and June a bit higher at 175 mm (6.9 in) across 20 days. Humidity levels are comparable, hovering around 83% in September and slightly lower at 82% in June. For more detailed insights on the weather conditions, check out Klosters Serneus weather in June.
When comparing the weather in September to that of July, a marked difference in temperatures is evident. September typically experiences cooler conditions, with a minimum temperature of -6°C (21°F) and a maximum of 22°C (72°F), leading to an average of 10°C (49°F). In contrast, July enjoys warmer weather, featuring a minimum of 4°C (39°F) and a maximum of 28°C (82°F), resulting in an average temperature of 13°C (56°F). Precipitation levels are relatively high in both months, with September receiving 151 mm (6.0 in) over 16 days and July slightly wetter at 174 mm (6.8 in) over 20 days. Both months share the same humidity level of 83%, making them feel quite humid despite the temperature variations. For more detailed information, check Klosters Serneus weather in July.
In comparing the weather of September to August, September tends to be cooler with a wider temperature range, featuring minimums dipping down to -6°C (21°F) and daily averages around 10°C (49°F), compared to August’s milder minimum of 2°C (36°F) and average of 13°C (56°F). While both months experience considerable precipitation, September sees 151 mm (6.0 in) over 16 days, which is less than August’s 203 mm (8.0 in) spread out over 20 days. Humidity levels remain relatively high in both months, but September holds the edge with a slight increase to 83% compared to August's 80%. For a detailed view of August weather patterns, you can visit Klosters Serneus weather in August.
In comparing the weather of September and October, we notice a distinct shift in temperatures and conditions. September typically sees a minimum temperature of -6°C (21°F) and an average of 10°C (49°F), peaking at a comfortable 22°C (72°F). In contrast, October records slightly cooler temperatures, with a minimum of -8°C (17°F) and an average of 6°C (43°F), reaching a maximum of 18°C (65°F). While both months experience significant precipitation, September has 151 mm (6.0 in) over 16 days, whereas October sees a similar amount of 146 mm (5.8 in) but spread over just 13 days. Humidity also rises in October, reaching 90%, compared to September's 83%. For more detailed insights, you can check the Klosters Serneus weather in October.
September and November exhibit contrasting weather patterns. In September, temperatures range from a minimum of -6°C (21°F) to a maximum of 22°C (72°F), with an average of 10°C (49°F), while November experiences colder conditions, with a minimum of -18°C (0°F) and an average of 0°C (33°F). Additionally, September sees more precipitation, totaling 151 mm (6.0 in) over 16 days, compared to November's 96 mm (3.8 in) across 12 days. Humidity levels are slightly higher in November at 88%, compared to 83% in September. For a more detailed look at the weather conditions in November, visit Klosters Serneus weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a chilly -6°C (21°F) at night to a warm 22°C (72°F) during the day, with an average of 10°C (49°F). The month sees 151 mm (6.0 in) of precipitation over 16 days, accompanied by a relatively high humidity of 83%. In contrast, December plunges to much colder temperatures, with nighttime lows of -27°C (-16°F), daytime highs of just 8°C (46°F), and an average of -5°C (24°F). Precipitation increases slightly to 159 mm (6.3 in) over 18 days, and humidity rises to 90%. For a detailed look at December weather, you can check Klosters Serneus weather in December.
As September arrives in Klosters Serneus, the weather begins to shift from the warmth of summer to the crispness of autumn. With average temperatures settling around a cool 10°C (49°F), the days gradually become shorter and chillier, providing a refreshing contrast to the typically warmer months. Rainfall increases, leading to 16 days of precipitation, which nourishes the vibrant landscapes transitioning into fall colors. The high humidity of 83% adds to the freshness in the air, enhancing the tranquil atmosphere of this picturesque village. For a deeper understanding of how these shifts affect the overall climate, visit Klosters Serneus Climate.