Last updated: August 27, 2025
In September, Leukerbad, Switzerland offers a striking contrast in weather, where the average temperature holds at a brisk 8°C (46°F), peaking at a pleasant 20°C (68°F) during the day. Nights can dip to a chilly -6°C (21°F), inviting cozy evenings indoors. Visitors should prepare for frequent rainfall, with 119 mm (4.7 in) of precipitation spread over 16 days, resulting in an 83% humidity level that can make the air feel quite crisp. This enchanting blend of temperatures and weather patterns paints September as a uniquely refreshing yet unpredictable time to experience the scenic beauty of the Swiss Alps.
In September, Leukerbad begins to shed the warmth of summer, ushering in the crispness of autumn with a minimum temperature of -6°C (21°F) and an average of 8°C (46°F). The highs reach a comfortable 20°C (68°F), providing a delightful transition for outdoor enthusiasts. This month marks a noticeable shift from the warmer summer months of July and August, where temperatures hovered around the low twenties. As the days shorten and the leaves begin to change, visitors can enjoy the stunning alpine scenery in a refreshing climate, perfect for hiking or relaxing in the natural thermal baths that the region is famous for. The subtle drop in temperature signals the approaching winter, making September a picturesque time to experience Leukerbad before the snow sets in.
In September, Leukerbad experiences a noticeable dip in precipitation, with 119 mm (4.7 in) of rain, marking a shift from the wetter summer months. This decline is accompanied by 16 rainy days, somewhat fewer than the peak summer periods, suggesting a transition into the drier autumn season. As the weather begins to cool, September’s precipitation is markedly lower compared to the 195 mm (7.7 in) recorded in July and 179 mm (7.0 in) in August, highlighting a trend of decreasing rainfall as the year progresses. This pattern sets the stage for October's return to slightly higher precipitation levels, indicating that while September offers a brief respite in wet weather, the region remains susceptible to fluctuations as it heads deeper into fall.
As summer gracefully transitions into autumn, September in Leukerbad, Switzerland, experiences a mild shift in humidity levels. With an average humidity of 83%, the month sits comfortably between the summer's moderate 80% in August and the cooler, more humid 90% in October. This subtle rise indicates that while the warm days may linger, the crispness of fall is just around the corner. Interestingly, September’s humidity is slightly higher than July and August, suggesting a gradual buildup of moisture, likely due to changing weather patterns. Overall, the trend showcases a gradual increase as the year progresses toward winter, setting the stage for the cozy, humid conditions that define the colder months.
In September, Leukerbad experiences a high UV Index of 7, allowing for somewhat longer outdoor enjoyment with a burn time of 25 minutes. As summer transitions into autumn, this marks a decrease from the peak extreme levels seen in June, where caution was critical with just 10 minutes of safe sun exposure. Despite this decline, the UV radiation remains a concern, so sun protection is advisable for those planning outdoor activities. This trend highlights the importance of remaining vigilant about UV exposure even as the seasons change. For a detailed understanding of UV levels throughout the year, check out the full data at Leukerbad UV Index.
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In September, the charming village of Leukerbad, Switzerland, basks in an impressive 323 hours of sunshine, following the peak warmth of summer. This month typically reflects a gentle transition, with daylight hours starting to wane after the vibrant 416 hours of July and the slightly diminished 383 hours of August. As the landscape shifts into autumn, the sunshine remains generous, contributing to the stunning vistas of the surrounding Alps while inviting visitors to enjoy both outdoor adventures and serene spa experiences. The trend shows a steady decline in sunshine hours as the year progresses, from the energetic bursts of late spring and summer to the softer, golden hues of early autumn, making September a delightful time to explore all that Leukerbad has to offer before the winter chill sets in.
In Leukerbad, Switzerland, the likelihood of sunny weather shows a distinct seasonal pattern, peaking in the spring and early autumn months. As winter transitions to spring, the chances of sunshine steadily increase, reaching 38% in April and 37% in March. This trend gives way to the warmer months, where summer brings a slight dip, with July and August hovering around 26% for sunny days. Interestingly, September sees a further decline to 25%, marking a transition towards autumn. However, this drop is compensated by a notable rise in October, where the chance of sun rebounds to 40%. Overall, while September may not be the sunniest month, it reflects a gradual shift that hints at the bright days of fall ahead.
As September unfolds in Leukerbad, Switzerland, the transition toward autumn is marked by 12 hours of daylight, a gentle decline from the sunlit abundance of summer. After experiencing a peak of 15 hours in May through July, daylight starts to taper, reflecting nature's shift. The gradual shortening of days reminds us of the brisk fall months ahead, with October plunging to 10 hours and November further diminishing to 9 hours. This trend captures the essence of the seasons changing, inviting both locals and visitors to revel in the stunning fall foliage and crisp mountain air while the sun still gifts its warmth for a few more weeks.
As September unfolds in Leukerbad, Switzerland, the winds begin to whisper a gentle farewell to summer, with an average wind speed dipping to 1.0 m/s (2 mph)—the calmest month in the year. This subtle decline from the summer months' consistent breezes, which hovered around 1.2 m/s (3 mph), signifies a shift towards the tranquil embrace of autumn. The breezeless days offer a serene ambiance, perfect for savoring the breathtaking alpine views and soaking in the rejuvenating thermal waters. As the valley transitions into the crisper embrace of fall, the September wind serves as a soft reminder of nature's rhythm, preparing for the brisker days ahead.
Weather in Leukerbad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Leukerbad, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of -6°C (21°F) to a maximum of 20°C (68°F), with an average of 8°C (46°F). The month experiences about 119 mm (4.7 in) of precipitation over 16 days, accompanied by a humidity level of 83%. In contrast, January is significantly colder, with temperatures plummeting to a minimum of -25°C (-12°F) and reaching a maximum of just 5°C (42°F), averaging -9°C (16°F). This month sees a higher precipitation level of 175 mm (6.9 in) over 13 days, and the humidity rises to 92%. For more insights on January weather, you can check Leukerbad weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of -6°C (21°F) to a comfortable average of 8°C (46°F), reaching a maximum of 20°C (68°F). The month experiences an average precipitation of 119 mm (4.7 in) over 16 days, alongside relatively high humidity at 83%. Conversely, February is significantly colder with minimum temperatures dropping to -24°C (-11°F) and an average of -6°C (22°F), peaking at just 8°C (47°F). Although February’s precipitation is slightly higher at 125 mm (4.9 in), it falls over fewer days (11), and humidity rises to 89%. For more detailed information, you can check Leukerbad weather in February.
In September, temperatures in Leukerbad range from a minimum of -6°C (21°F) to a maximum of 20°C (68°F), with an average of 8°C (46°F). The month typically sees 119 mm (4.7 in) of precipitation over 16 days, accompanied by a humidity level of 83%. In contrast, March features much colder temperatures, with lows reaching -26°C (-15°F) and highs around 11°C (53°F), leading to an average temperature of -3°C (26°F). Precipitation is more abundant in March, totaling 154 mm (6.1 in) across the same number of days, and the humidity is slightly higher at 87%. For more details on March's weather, you can check Leukerbad weather in March.
Comparing the weather in September and April reveals notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of -6°C (21°F) to a pleasant maximum of 20°C (68°F), with an average of 8°C (46°F). This month experiences 119 mm (4.7 in) of precipitation over 16 days, along with a humidity level of 83%. In contrast, April brings cooler temperatures, with a minimum of -16°C (3°F), an average of 0°C (33°F), and a maximum of 14°C (57°F). Although April has slightly less precipitation at 94 mm (3.7 in) over 12 days, the humidity is slightly higher at 84%. For more insights on the climate during this time, check out Leukerbad weather in April.
The weather in September is generally milder compared to May, with average temperatures peaking at 8°C (46°F) and reaching a maximum of 20°C (68°F). In contrast, May has slightly cooler average temperatures, with a minimum of -11°C (12°F) and an average of 4°C (40°F), making it one of the cooler months. Additionally, September experiences 119 mm (4.7 in) of precipitation over about 16 days, while May is even wetter, receiving 183 mm (7.2 in) of rainfall across 22 days. Humidity levels are similar, with September at 83% and May at 80%. For more detailed information on May weather, you can visit Leukerbad weather in May.
In comparing the weather of September and June, it’s evident that both months exhibit cool temperatures, but June tends to be slightly warmer overall. In June, temperatures range from a minimum of -4°C (26°F) to a maximum of 26°C (79°F), with an average of 10°C (50°F). In contrast, September shows a minimum of -6°C (21°F), an average of 8°C (46°F), and a maximum of 20°C (68°F). Additionally, June experiences higher precipitation with 159 mm (6.3 in) across 21 days, compared to September's 119 mm (4.7 in) over 16 days. Humidity levels remain relatively similar, with September at 83% and June at 82%. For further details on the weather during June, you can check out Leukerbad weather in June.
In comparing the weather of September and July, we see notable differences in temperature and precipitation patterns. September experiences a more moderate temperature range, with a minimum of -6°C (21°F) and a maximum of 20°C (68°F), leading to an average of 8°C (46°F). In contrast, July is significantly warmer, starting at a minimum of 1°C (33°F) and reaching a maximum of 26°C (78°F), with an average of 12°C (53°F).
Precipitation levels also vary, with September receiving 119 mm (4.7 in) over 16 rainy days, while July sees higher rainfall at 195 mm (7.7 in) across 22 days, indicating that July is not only warmer but also wetter. Interestingly, both months have the same humidity level of 83%. For a more detailed perspective on July's conditions, you can check this link: Leukerbad weather in July.
September weather is cooler compared to August, with average temperatures dropping from 11°C (52°F) in August to 8°C (46°F) in September. While August experiences slightly warmer maximum temperatures of 23°C (73°F), September only reaches up to 20°C (68°F). Precipitation increases in September, totaling 119 mm (4.7 in) over 16 days, compared to August's 179 mm (7.0 in) over 21 days. Interestingly, September has higher humidity at 83%, compared to 80% in August, adding to the overall dampness as the seasons transition. For more detailed information on August conditions, you can visit Leukerbad weather in August.
In comparing the weather between September and October, a noticeable decline in temperatures occurs, particularly in the average and minimum temperatures. September experiences milder conditions with an average of 8°C (46°F) and minimums around -6°C (21°F), while October sees a further drop to an average of 3°C (38°F) and a minimum of -9°C (16°F). Precipitation also increases from 119 mm (4.7 in) over 16 days in September to 158 mm (6.2 in) over 13 days in October, indicating a slightly wetter month. Humidity rises from 83% in September to 90% in October, contributing to a more damp and chilly atmosphere. For detailed insights on October weather, you can check Leukerbad weather in October.
In September, the weather features milder temperatures, with averages around 8°C (46°F) and a maximum reaching 20°C (68°F), making it more pleasant for outdoor activities. The month experiences a considerable amount of precipitation, totaling 119 mm (4.7 in) over 16 days, accompanied by a humidity level of 83%. In contrast, November brings much colder conditions, with an average temperature dropping to -3°C (27°F) and a minimum of -20°C (-4°F). Although November has slightly less precipitation at 106 mm (4.2 in) over 14 days, the humidity rises to 88%, giving the month a much chillier feel. For a detailed look at what to expect, check out Leukerbad weather in November.
In September, the weather is notably milder, with temperatures ranging from a chilly -6°C (21°F) at night to a pleasant max of 20°C (68°F) during the day. The month sees an average temperature of 8°C (46°F), accompanied by moderate precipitation of 119 mm (4.7 in) over 16 days, and humidity levels at 83%. In contrast, December brings much colder conditions, characterized by minimum temperatures plunging to -26°C (-15°F) and an average of -7°C (19°F), with daytime highs only reaching 5°C (41°F). This month experiences significantly higher precipitation of 241 mm (9.5 in) over 19 days, and the humidity rises to 90%, creating a distinctly harsher winter climate. For more details on December weather, visit Leukerbad weather in December.
As September in Leukerbad unfolds, the cooling temperatures herald a distinct shift from the warmth of summer to the crispness of autumn. With daily averages hovering around 8°C (46°F), the month often surprises visitors with chilly mornings that can dip to lows of -6°C (21°F). These refreshing contrasts are accompanied by a notable increase in precipitation, as approximately 119 mm (4.7 in) falls over 16 days, contributing to the region's lush landscapes. The relatively high humidity of 83% adds to the invigorating atmosphere that characterizes September, making it a unique time to experience the beauty of Leukerbad. For a deeper dive into the climate nuances, check out Leukerbad Climate.