Last updated: August 27, 2025
September in Villars-sur-Ollon, Switzerland offers a charming blend of mild temperatures and fresh mountain air. With maximum highs reaching 23°C (74°F) and an average of 11°C (52°F), visitors can enjoy the stunning alpine scenery amidst the crisp days of early autumn. However, the season does bring its share of moisture, with 120 mm (4.7 in) of precipitation scattered over 15 days, contributing to the region's rich natural beauty. The humidity itself hovers at a notable 81%, adding a refreshing chill to the air, perfect for outdoor activities and exploring the breathtaking landscapes of this Swiss gem. Whether hiking, biking, or simply soaking in the views, September promises an invigorating experience in the Alps.
As September arrives in Villars-sur-Ollon, Switzerland, temperatures begin to showcase the transition from summer's warmth to the crispness of autumn. With minimums around -5°C (24°F) and an average of 11°C (52°F), the cool air offers a refreshing respite from the heat of the preceding months. The maximum temperature can reach a comfortable 23°C (74°F), making it a delightful time for outdoor activities amidst the stunning alpine backdrop. This month marks a significant drop compared to the highs of summer but is still mild enough for hikers and nature lovers to explore the breathtaking landscapes before winter casts its chill. Overall, September in Villars-sur-Ollon is a harmonious blend of summer's farewell and autumn's embrace, inviting visitors to enjoy the serene beauty of the Swiss Alps.
September in Villars-sur-Ollon, Switzerland, sees a moderate precipitation total of 120 mm (4.7 in) over approximately 15 days, providing a refreshing transition from the summer months. This amount is slightly lower than the heavy rains of May and June, which both recorded 211 mm (8.3 in), indicating a gradual tapering off of rainfall as the region shifts into autumn. Compared to July and August, which saw towering totals of 206 mm and 189 mm respectively, September's precipitation reflects a period of relative calm, creating optimal conditions for enjoying the stunning fall landscapes. The month serves as a gentle reminder of the approaching winter, while still offering ample opportunities for outdoor activities amidst the lingering warmth of early autumn.
In September, Villars-sur-Ollon experiences a notable shift in humidity levels, with an average of 81%. This marks a slight increase from the drier summer months, where humidity dipped to around 77% in August. As the season transitions toward autumn, a gradual rise in moisture levels can be observed, reminiscent of the consistent humidity seen earlier in the year, particularly during the cold months of January and February when levels hover near 91%. The trend highlights the region's propensity for increased humidity as the year progresses, especially leading into October, which sees a jump back to 89%. This rhythmic change not only shapes the region's weather patterns but also adds to the enchanting ambiance of Villars-sur-Ollon during this time of year.
In September, Villars-sur-Ollon experiences a shift in the UV Index, registering a UV Index of 7, which signifies a high exposure category. This month’s burn time extends to 25 minutes, allowing for a more comfortable outdoor experience compared to the intense peaks of summer. As the summer months conclude, the UV Index gradually decreases from the very high levels seen in July and August, yet it remains crucial for visitors and locals alike to stay vigilant about sun safety. With the sun still delivering strong rays, it’s a perfect time to enjoy the mountainous surroundings while being mindful of UV exposure. For more detailed information on sun safety throughout the year, check out the Villars-sur-Ollon UV Index.
UV Risk Categories
In September, Villars-sur-Ollon basks in a delightful 330 hours of sunshine, showcasing its picturesque landscape against a backdrop of clear skies. This is a dip from the sun-drenched July and August, where residents and visitors enjoyed peak summer with an impressive 418 and 388 hours, respectively. However, September’s warmth and light linger sweetly, marking it as a transitional month where autumn whispers its arrival amidst the fading summer glow. The sunny hours in September still provide ample opportunity for outdoor adventures against the stunning Alpine scenery, creating a perfect blend of lingering warmth while the leaves begin to turn. With the forthcoming months like October in sight, where sunshine hours drop to 288, September offers a serene golden hour for those seeking the beauty of the Swiss Alps before the chill settles in.
As September arrives in Villars-sur-Ollon, the chance of sunny weather stands at a modest 34%, reflecting a slight dip from the summer months. This figure, while lower than the peak summer months of July and August, is still comparable to the transitioning autumn months of October and November. The trend highlights a gradual increase in sunshine probability from the beginning of the year, with March through April seeing notable rises, culminating in a peak by mid-summer. As the warm days of September wane into autumn, visitors can still enjoy occasional bursts of sunshine, making it a delightful time to explore the beautiful landscapes of the Swiss Alps.
As summer gives way to autumn, September in Villars-sur-Ollon marks a gentle transition in daylight duration. With 12 hours of daylight, the month sees a noticeable decrease from the sunniest days of July and August, which enjoyed 15 and 14 hours respectively. This reduction hints at the approaching shorter days, yet September still offers a considerable amount of daylight compared to the winter months ahead. The trends showcase a gradual ebb in sunlight as the year progresses, with daylight dwindling further in October to 10 hours and then 9 hours in November. Overall, September serves as a bridge, combining the lingering warmth of summer with the crisp beginnings of fall, inviting residents and visitors alike to bask in the remaining light.
As September arrives in Villars-sur-Ollon, Switzerland, the gentle caress of the wind continues its subdued presence, with an average speed of 1.1 m/s (2 mph), slightly tapering off from the summer's breezy heights. This marks a trend of gently diminishing winds throughout the late summer months, where July and August lingered around 1.1 to 1.2 m/s (3 mph). Interestingly, the wind speed during this transition to autumn remains mild, mirroring a consistent pattern observed earlier in the season. As the year progresses, October and November are expected to bring a slight uptick back to 1.3 m/s (3 mph), suggesting a gradual reawakening of the winds as the landscape transitions towards winter. The overall trend reflects Villars-sur-Ollon's tranquil ambiance, inviting visitors to embrace the serene beauty of the Swiss Alps in early autumn.
Weather in Villars-sur-Ollon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Villars-sur-Ollon, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a minimum of -5°C (24°F) to a maximum of 23°C (74°F), with an average of 11°C (52°F). This month also sees considerable precipitation, averaging 120 mm (4.7 in) over 15 days, accompanied by a relatively high humidity of 81%. In contrast, January experiences much colder temperatures, with a minimum of -24°C (-11°F) and a maximum of just 8°C (48°F), resulting in a chilling average of -6°C (22°F). Despite a slightly higher total precipitation of 138 mm (5.4 in) over fewer rainy days—just 10—January's humidity is notably higher at 91%. For a detailed look at the weather in January, visit Villars-sur-Ollon weather in January.
September and February present two distinct climates, showcasing the transition from late summer to mid-winter. In September, temperatures fluctuate between a minimum of -5°C (24°F) and a maximum of 23°C (74°F), with an average around 11°C (52°F). The month experiences about 120 mm (4.7 in) of precipitation over 15 days, alongside a humidity level of 81%. In contrast, February is much colder, with temperatures ranging from a low of -20°C (-3°F) to a high of 14°C (57°F), yielding an average of -2°C (29°F). Precipitation is slightly lower at 115 mm (4.5 in) occurring over 11 days, and humidity is higher at 89%. For more details about February weather, you can refer to Villars-sur-Ollon weather in February.
Comparing the weather in September and March reveals distinct seasonal differences. September experiences milder temperatures with averages around 11°C (52°F), ranging from a low of -5°C (24°F) to a high of 23°C (74°F). In contrast, March is much colder, with an average temperature of just 1°C (34°F), and temperatures can drop as low as -22°C (-8°F), peaking at 16°C (62°F). Additionally, both months see around 15 days of precipitation, but March tends to be slightly wetter, with 142 mm (5.6 in) compared to September's 120 mm (4.7 in). Humidity levels are higher in March at 87%, compared to September’s 81%. For a more detailed look at March weather, you can visit Villars-sur-Ollon weather in March.
When comparing the weather in September and April, notable differences in temperature and precipitation emerge. September tends to be milder, with average temperatures ranging from a low of -5°C (24°F) to a comfortable high of 23°C (74°F). In contrast, April experiences cooler temperatures, often starting at -16°C (4°F) and peaking at 20°C (68°F), resulting in a lower average of 5°C (41°F). In terms of precipitation, September sees more rain, with 120 mm (4.7 in) over 15 days, compared to April's 90 mm (3.5 in) over 13 days. Additionally, humidity levels are slightly higher in April at 84% versus September’s 81%. For more detailed insights, you can check the Villars-sur-Ollon weather in April.
When comparing the weather in September and May, September generally offers a milder climate with an average temperature of 11°C (52°F) and maximums reaching 23°C (74°F). In contrast, May tends to be colder, with an average temperature of 8°C (47°F) and highs around 26°C (79°F). Both months experience significant precipitation, with May receiving 211 mm (8.3 in) over 20 days, while September has 120 mm (4.7 in) over 15 days. Humidity levels are fairly consistent, with September at 81% and May slightly lower at 80%. For more detailed information, you can check Villars-sur-Ollon weather in May.
When comparing the weather in September and June, we observe distinct differences in temperature and precipitation patterns. September features a temperature range from a chilly -5°C (24°F) to a comfortable maximum of 23°C (74°F), with an average of 11°C (52°F). In contrast, June boasts warmer conditions, with minimums around -1°C (30°F), averaging 13°C (56°F), and reaching highs of 30°C (85°F).
However, June is also characterized by heavier rainfall, receiving 211 mm (8.3 in) over approximately 20 days, compared to September's 120 mm (4.7 in) across 15 days. Humidity levels remain relatively high in both months, with September at 81% and June slightly higher at 82%. For more detailed information, you can view the Villars-sur-Ollon weather in June.
In comparing the weather of September and July, we notice distinct differences in temperature and precipitation patterns. September experiences cooler temperatures, ranging from a minimum of -5°C (24°F) to a maximum of 23°C (74°F), with an average of 11°C (52°F). In contrast, July enjoys warmer conditions, with temperatures ranging from 2°C (36°F) at night to a maximum of 28°C (83°F) during the day, and an average of 15°C (59°F). While September receives 120 mm (4.7 in) of rainfall over 15 days, July is wetter, with 206 mm (8.1 in) over 17 days. Both months have similar humidity levels, hovering around 81-82%. For a detailed overview of July's weather, you can check out Villars-sur-Ollon weather in July.
In comparing the weather of September to August, it is evident that September experiences cooler temperatures, with a minimum of -5°C (24°F) and an average of 11°C (52°F), compared to August’s warmer minimum of 3°C (37°F) and average of 14°C (58°F). The maximum temperatures in September reach 23°C (74°F), slightly lower than August’s peak of 27°C (81°F). Additionally, September sees a rise in humidity at 81%, while August maintains a lower level of 77%. Although both months have considerable precipitation, September receives 120 mm (4.7 in) over 15 days, while August has higher rainfall at 189 mm (7.4 in) over 16 days. For more details on August weather, visit Villars-sur-Ollon weather in August.
September and October exhibit noticeable differences in weather, despite their proximity in the calendar year. September tends to be slightly warmer, with average temperatures around 11°C (52°F) and maximums reaching 23°C (74°F). In contrast, October sees a drop in average temperatures to 7°C (44°F), with maximums of 20°C (68°F). Precipitation levels are also comparable; September experiences 120 mm (4.7 in) over 15 days, while October has a bit more at 127 mm (5.0 in) but over just 13 days. Humidity increases in October to 89%, compared to September's 81%, making the air feel a bit heavier. For more details, check Villars-sur-Ollon weather in October.
In comparing the weather between September and November, a noticeable shift in temperature and conditions can be observed. September typically experiences milder temperatures, with an average of 11°C (52°F) and highs reaching up to 23°C (74°F), while November sees a significant drop, with average temperatures plummeting to around 1°C (33°F) and maximums peaking at 17°C (63°F). Precipitation levels are relatively similar, with September receiving 120 mm (4.7 in) over 15 days and November slightly less at 105 mm (4.1 in) over 12 days. Additionally, humidity levels rise in November to 89%, up from 81% in September, contributing to a colder overall atmosphere. For more details, refer to Villars-sur-Ollon 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 maximum of 23°C (74°F), with an average of 11°C (52°F), making it a much milder month. The precipitation is moderate at 120 mm (4.7 in) over about 15 days, and humidity is relatively high at 81%. In contrast, December is significantly colder, with temperatures plunging to a minimum of -25°C (-13°F) and averaging around -4°C (24°F) during the day, peaking at just 9°C (48°F). The month also sees increased precipitation at 228 mm (9.0 in) over 18 days and a higher humidity level of 91%. For a detailed look at December weather specifically in Villars-sur-Ollon, check out Villars-sur-Ollon weather in December.
As September unfolds in Villars-sur-Ollon, the weather presents a refreshing transition from the warm summer days to the crispness of autumn. This month is characterized by a delightful mix of temperatures, with comfortable highs and cooler nights, creating a perfect environment for outdoor activities. However, be prepared for increased precipitation, as September typically sees more rainy days than its summer predecessors, bringing the lush landscape of the region to life. With higher humidity levels, the air feels distinctly different, inviting cozy afternoons and colorful foliage strolls. For those interested in a deeper look at seasonal variations, check out the detailed insights in the Villars-sur-Ollon Climate.