Last updated: August 27, 2025
September in Lenzerheide, Switzerland welcomes the onset of autumn with a pleasant mix of cool and crisp weather. The maximum temperature peaks at a comfortable 21°C (70°F), while the average hovers around a brisk 8°C (47°F), dipping to a minimum of -10°C (15°F) during the night. With precipitation accumulating to 136 mm (5.3 in) over approximately 15 days, the region exhibits an inviting blend of sunny intervals and refreshing rain. The humidity level averages a notable 83%, enhancing the enchanting atmosphere of this picturesque alpine setting. Ideal for outdoor enthusiasts, September showcases the stunning beauty of Lenzerheide against a backdrop of breathtaking landscapes.
In Lenzerheide, Switzerland, September marks a transitional period as summer draws to a close and autumn begins to set in. With temperatures ranging from a brisk -10°C (15°F) at night to a pleasant 21°C (70°F) during the day, the weather is perfect for enjoying the stunning alpine scenery without the sweltering heat of summer. The average temperature of 8°C (47°F) signifies a noticeable drop compared to the warmer months, yet the region still offers mild, sunny days ideal for outdoor activities. This month sees a charming blend of early autumn hues and lingering summer warmth, inviting visitors to embrace the breathtaking beauty of the landscape as it shifts. Overall, September in Lenzerheide is a delightful and picturesque time, perfect for those looking to experience the changing seasons in this enchanting Swiss destination.
September in Lenzerheide, Switzerland, sees a notable shift in precipitation patterns as summer wanes and autumn approaches. With 136 mm (5.3 in) of rain over 15 days, September represents a peak in moisture compared to the preceding summer months, indicating a transition into the wetter season. This month’s rainfall not only contributes to the lush landscapes that define the region but also sets the stage for the upcoming colder months. As temperatures begin to cool, the consistent precipitation aligns with the broader trend of increasing rainfall observed from May through August, peaking in August before gradually tapering off toward the winter. Overall, September encapsulates the essence of seasonal change, balancing the lingering warmth of summer with the promise of autumn's embrace.
In September, Lenzerheide experiences a comfortable humidity level of 83%, maintaining a balance between the cooler months preceding it and the crisp air of autumn. This slight uptick from August's 80% hints at the transition to a wetter climate as the year progresses. Notably, the region's humidity is at its lowest in the late spring and early summer, with May marking a drier period at 80%. As autumn approaches, humidity gradually rises, culminating in the winter months where levels peak again at 90% in both October and December. This trend showcases Lenzerheide's characteristic shift from the dry warmth of summer to the moist chill of winter, creating a dynamic and refreshing atmosphere for both residents and visitors.
In September, Lenzerheide, Switzerland, experiences a UV Index of 7, placing it in the high exposure category. This marks a notable decline from the peak summer months, where the UV Index reached a maximum of 10 in both June and July. With a burn time of just 25 minutes, it's essential for outdoor enthusiasts to stay vigilant and protect their skin, especially as the sun's intensity begins to wane with the arrival of autumn. This shift serves as a reminder of the changing seasons and the importance of adapting sun safety practices throughout the year. For more detailed information, check out the Lenzerheide UV Index.
UV Risk Categories
As summer fades into autumn, September in Lenzerheide, Switzerland continues to bask in the glow of golden sunshine, boasting an impressive 309 hours of sunlight. This month marks a noticeable transition, as daylight hours taper off from the peak of 408 hours in July. However, September still offers a warm embrace of sunshine compared to the winter months that lie ahead. With June and August also showcasing strong sunlight, the latter part of the year hints at a cooling trend, as seen in October's 278 hours. Despite this gradual decline, September remains a captivating time in Lenzerheide, inviting visitors to savor the last rays of summer before the crisp embrace of fall.
In September, Lenzerheide enjoys a 36% chance of sunny weather, making it a promising time for outdoor enthusiasts to experience the beauty of the Swiss Alps. As summer transitions into autumn, the likelihood of sunny days slightly increases compared to the previous months of peak summer. This trend suggests that while the sunny days may diminish as the year progresses, September offers a sweet spot for warmth and clearer skies before the cooler months set in. Travelers can anticipate a vibrant landscape, perfect for hiking and other outdoor activities, while savoring the lingering warmth of summer.
In September, Lenzerheide witnesses a delightful transition as daylight begins to wane, with 12 hours of sunshine illuminating the landscape. This month's daylight duration marks a gradual decrease from the peak summer months of June, July, and August, which enjoy a generous 15 hours each. As autumn approaches, daylight steadily declines, signaling the end of longer summer days and the onset of cozy fall evenings. The trend showcases a shift from summer vibrancy to richer hues, inviting both residents and visitors to experience the breathtaking beauty of the mountains bathed in the softer light of early autumn.
As the summer sun begins to fade, September in Lenzerheide greets visitors with a gentle breeze, exhibiting an average wind speed of 1.2 m/s (3 mph), similar to August's tranquil conditions. This slight drop in wind intensity reflects the transition into autumn, where the idyllic environment remains serene yet vibrant. Observing the past months, there's a consistent pattern with wind speeds hovering around the 1.3 to 1.6 m/s mark during spring and early summer, before tapering off as the seasons shift. Such gentle winds make September an ideal time for leisurely outdoor activities, allowing you to soak in the breathtaking landscapes without the distraction of stronger gusts.
Weather in Lenzerheide varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lenzerheide, focusing on differences in temperature, rainfall, humidity, and UV levels.
September sees a milder climate with temperatures ranging from a minimum of -10°C (15°F) to an average of 8°C (47°F) and a maximum of 21°C (70°F). The month records a total precipitation of 136 mm (5.3 in) across 15 days, accompanied by a humidity level of 83%. In contrast, January experiences much colder temperatures, with lows reaching -28°C (-19°F) and an average temperature of -8°C (18°F), peaking at just 6°C (43°F). Additionally, January has lower precipitation at 92 mm (3.6 in) over 11 days, but the humidity is slightly higher at 92%. For more detailed insights, check out Lenzerheide weather in January.
In comparing the weather between September and February, significant differences emerge in temperature and precipitation patterns. September enjoys a more moderate climate, with average temperatures ranging from a chilly 8°C (47°F) to a warm 21°C (70°F), while February is much colder, with an average of -4°C (25°F) and nighttime lows dropping to -25°C (-13°F). Additionally, September sees higher precipitation levels at 136 mm (5.3 in) over about 15 days, compared to February's 66 mm (2.6 in) across 12 days, making September the wetter month. Humidity levels are relatively high in both months, with February slightly more humid at 89%, compared to September’s 83%. For those interested in exploring more about February's conditions, you can visit Lenzerheide weather in February.
In comparing the weather between September and March, a striking contrast emerges. September typically offers milder temperatures, with average highs reaching 21°C (70°F) and lows around -10°C (15°F), while March is significantly colder, with average highs only reaching 12°C (54°F) and lows plunging to -25°C (-13°F). Precipitation is more abundant in September at 136 mm (5.3 in) over about 15 days, compared to March’s 95 mm (3.7 in) spread over 16 days. Additionally, the humidity levels are slightly higher in March at 87% compared to September's 83%. For a more detailed look at weather patterns in March, you can visit Lenzerheide weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and precipitation. September typically sees a milder temperature range, with a minimum of -10°C (15°F) and an average of 8°C (47°F), peaking at a comfortable 21°C (70°F). In contrast, April experiences colder conditions, with minimum temperatures dropping to -23°C (-9°F), an average of only 2°C (36°F), and a maximum of 16°C (61°F). Precipitation is more prominent in September, totaling 136 mm (5.3 in) over 15 days, while April records 93 mm (3.7 in) over 14 days. Both months have high humidity levels, with September at 83% and April slightly higher at 84%. For a detailed look at what to expect, you can refer to Lenzerheide weather in April.
In comparing the weather of September and May, September typically experiences milder temperatures with a minimum of -10°C (15°F) and a maximum of 21°C (70°F), resulting in an average of 8°C (47°F). In contrast, May has slightly cooler temperatures, featuring a low of -11°C (13°F) and a high of 22°C (71°F), with an average temperature of 6°C (43°F). Additionally, September receives less precipitation, totaling 136 mm (5.3 in) over 15 days, compared to May's 157 mm (6.2 in) over 22 days. Interestingly, humidity levels are relatively high in both months, with September at 83% and May slightly lower at 80%. For more detailed weather insights, you can visit Lenzerheide weather in May.
September weather in Lenzerheide features cooler temperatures, with nighttime lows reaching as low as -10°C (15°F) and daytime highs peaking at 21°C (70°F). In contrast, June offers a more moderate climate, with minimum temperatures around -2°C (29°F) and maximums averaging 27°C (81°F). While both months experience significant precipitation, September sees about 136 mm (5.3 in) over 15 days, compared to June's 148 mm (5.8 in) over 19 days. Humidity levels are similar, with September at 83% and June at 82%, creating a mildly damp atmosphere in both months. For more specific details on June weather, visit Lenzerheide weather in June.
When comparing the weather in September and July, there are notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of -10°C (15°F) and an average of 8°C (47°F), while July features milder conditions, with minimum temperatures around 3°C (37°F) and an average of 12°C (54°F). The maximum temperatures in July can reach up to 26°C (79°F), compared to 21°C (70°F) in September. Both months receive significant rainfall, with July having slightly higher precipitation at 148 mm (5.8 in) over 20 days, as opposed to September's 136 mm (5.3 in) across 15 days. Interestingly, humidity remains consistent at 83% in both months, contributing to the overall moist feeling in the air. For more detailed information about July weather, visit Lenzerheide weather in July.
September's weather presents a notable shift compared to August, with temperatures dipping significantly, exhibiting a minimum of -10°C (15°F) and an average of 8°C (47°F). Meanwhile, August enjoys milder conditions, boasting a minimum of 0°C (33°F) and an average of 12°C (54°F). In terms of precipitation, September records 136 mm (5.3 in) over 15 days, which is less than August's 201 mm (7.9 in) over 19 days. Humidity levels also remain slightly elevated in September at 83%, compared to August's 80%. For more detailed insights, you can explore Lenzerheide weather in August.
In September, the weather in Lenzerheide exhibits a wider range of temperatures, with a minimum of -10°C (15°F) and a pleasant maximum of 21°C (70°F), resulting in an average temperature of 8°C (47°F). The month experiences significant rainfall, totaling 136 mm (5.3 in) over 15 days, along with a relatively high humidity of 83%. In contrast, October sees a slight drop in temperatures, with a minimum of -8°C (17°F) and a maximum of 17°C (62°F), leading to a cooler average of 4°C (40°F). Precipitation increases moderately to 142 mm (5.6 in) over 12 days, and humidity rises to 90%, making October feel damp despite slightly fewer rain days. For more details on the weather patterns during this month, you can visit Lenzerheide weather in October.
In comparing the weather of September and November, notable differences emerge in temperature and overall conditions. September boasts a milder temperature range with a minimum of -10°C (15°F) and a maximum reaching 21°C (70°F), averaging around 8°C (47°F). This month also experiences significant precipitation, with 136 mm (5.3 in) falling over 15 days and a humidity level of 83%. In contrast, November presents a colder climate, with minimum temperatures dropping to -19°C (-2°F) and an average of -2°C (29°F), peaking at only 13°C (56°F). While November has less precipitation, totaling 104 mm (4.1 in) across 13 days, its humidity slightly increases to 88%. For more detailed weather conditions in November, you can check Lenzerheide weather in November.
In September, the weather in Lenzerheide is relatively mild, with average temperatures hovering around 8°C (47°F), experiencing a minimum of -10°C (15°F) and maximizing at 21°C (70°F). The month sees a fair amount of precipitation, totaling 136 mm (5.3 in) over approximately 15 days, while humidity levels stand at 83%.
In contrast, December brings much colder temperatures, with an average of -6°C (21°F) and a minimum dropping to -26°C (-15°F). Although precipitation is slightly less at 130 mm (5.1 in), it occurs over 17 days, leading to a higher humidity level of 90%. This drastic shift from the mild conditions of September to the frigid winter of December showcases the changing climate in Lenzerheide. To learn more about the December weather specifics, check out Lenzerheide weather in December.
As September arrives in Lenzerheide, the transition from summer to autumn becomes strikingly evident. The temperatures are notably cooler, with crisp mornings and mild afternoons inviting outdoor exploration. Rainfall increases during this month, contributing to the region's lush landscapes, while humidity remains relatively high, adding to the freshness in the air. With an average of 15 days of precipitation, September often presents a charmingly unpredictable weather pattern, differing from the stable warmth of summer months. For those planning a visit, embracing the variability of September is essential for fully experiencing the unique beauty of Lenzerheide. For more detailed insights, check out the Lenzerheide Climate.