Last updated: August 27, 2025
September in Vallorbe, Switzerland offers a delightful blend of seasonal transitions, where temperatures peak at a comfortable 27°C (81°F) and dip to a refreshing 4°C (39°F), with an average of 15°C (58°F). Visitors can expect occasional rainfall, accumulating to around 92 mm (3.6 in) over 12 days, which contributes to the region's lush landscapes. With humidity levels at a moderate 81%, the air remains crisp and invigorating, creating an ideal backdrop for outdoor activities and sightseeing amidst the stunning autumn scenery.
In September, Vallorbe, Switzerland transitions to the gentle embrace of autumn, showcasing a delightful range of temperatures. With minimums settling around 4°C (39°F) and average highs reaching 27°C (81°F), the month presents a cozy blend of mild warmth and crispness in the air. This shift is reflective of the overall cooling trend following the summer's peak, as temperatures gracefully decrease from their maximums in August. September's average of 15°C (58°F) offers residents and visitors alike a pleasant respite, perfect for outdoor adventures amidst the stunning fall foliage. As the days grow shorter, Vallorbe's charm remains undiminished, inviting all to relish in the beauty of the changing seasons.
In September, Vallorbe experiences a moderate dip in precipitation, with 92 mm (3.6 in) of rain falling over 12 days. This trend reflects a transition from the wetter summer months of July and August, each recording 149 mm (5.9 in), to the drier conditions that often characterize the onset of autumn. The overall precipitation in September maintains a balance, ensuring that the lush landscapes remain vibrant as they prepare for the cooler months ahead. With these falling temperatures and decreasing rain, Vallorbe subtly shifts from the bustling summer to the tranquil, crisp beauty of fall, inviting a fresh perspective on its stunning natural surroundings.
In Vallorbe, Switzerland, September marks a seasonal shift in humidity levels, settling at a comfortable 81%. This is a slight increase from the drier summer months of July and August, which experienced lower humidity at 82% and 77% respectively. As autumn arrives, there's a noticeable trend of humidity gradually rising again, reminiscent of springtime levels. This pattern highlights Vallorbe's transition from warmer, more arid summer days into the cooler, moisture-rich air of fall, setting the stage for the upcoming months when humidity peaks again in winter at a striking 91% in both January and December. Thus, September serves as a bridge between the warmth of summer and the chill of winter, maintaining a balanced atmospheric comfort for locals and visitors alike.
As the summer fades in Vallorbe, Switzerland, September ushers in a notable shift in the UV Index, which stands at 6, categorizing the exposure as high. This drop from the very high levels experienced in the peak summer months means that while precautions are still necessary, the risks are somewhat lower. With a burn time of 25 minutes, it’s advisable to embrace sun safety practices like sunscreen application and protective clothing. This transition reflects a broader trend of gradually declining UV levels as autumn approaches, providing a more moderate climate after the intense sunshine of July and August. For more detailed information on UV Index trends throughout the year, visit Vallorbe UV Index.
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As the summer warmth begins to fade, September in Vallorbe, Switzerland, still basks in a generous 328 hours of sunshine. This month serves as a gentle transition from the sun-drenched days of July, which boasts the highest sunshine hours at 414, to the cooler hues of autumn. While September showcases a notable dip from the peak summer months, it remains significantly sunnier than the quieter winter months ahead, like January with only 155 hours. The gradual decline in sunshine hours from August’s 385 hours highlights the region's shift towards autumn, yet September still offers ample light, making it a lovely time to explore the breathtaking landscapes of Vallorbe before the winter chill sets in.
In Vallorbe, Switzerland, the likelihood of sunny weather shows a significant uptick as spring transitions into summer. September boasts a 39% chance of sunshine, making it one of the more promising months after a summer filled with fluctuating sunny days—July and August see rates of 37% and 41%, respectively. This slight dip in September's sunshine potential marks a subtle shift towards autumn, yet it still holds favorable conditions for basking in the sun compared to the early months of the year, where the chance hangs at a mere 15% in January. As autumn approaches, locals and visitors alike can expect a mix of vibrant weather, ideal for enjoying outdoor activities before the season changes.
As summer fades in Vallorbe, Switzerland, September brings a gentle transition, where daylight begins to recede from the long, sun-drenched days of August. With 12 hours of daylight, this month marks a noticeable shift from the 15 hours experienced during the peak of summer. The gradual decrease in daylight reflects the onset of autumn, paving the way for shorter days ahead. This trend continues into October, where daylight diminishes further to 10 hours, illustrating the annual ebb and flow of light as the year progresses. Overall, September serves as a bridge, allowing residents to enjoy lingering summer-like days while preparing for the cozy embrace of fall.
As September unfolds in Vallorbe, Switzerland, the wind begins to whisper a soft farewell to summer, with an average speed dipping to 1.6 m/s (4 mph). This gentle breeze marks a noticeable decline from the more invigorating early months of the year, where speeds typically hover between 2.3 m/s (5 mph) and 2.6 m/s (6 mph). The transition into autumn is evident as the winds soften, creating a tranquil atmosphere perfect for enjoying the vibrant fall foliage. As the year progresses, October shows a slight uptick in wind speed, hinting at nature's dynamic shifts, but for September, the calmness invites reflection amidst the stunning landscapes of Vallorbe.
Weather in Vallorbe varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Vallorbe, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Vallorbe is generally mild, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (81°F), and an average of 15°C (58°F). This month experiences a fair amount of rain with 92 mm (3.6 in) of precipitation over 12 days and humidity levels at 81%.
In stark contrast, January brings much colder conditions, where temperatures can drop as low as -14°C (7°F) and only reach a maximum of 13°C (56°F), averaging around 1°C (33°F). January also sees slightly higher precipitation levels at 122 mm (4.8 in) over just 11 days, accompanied by a humidity of 91%. The differences in temperature and overall feel between these two months highlight the seasonal changes in Vallorbe. For more detailed information, check out Vallorbe weather in January.
September and February present distinct contrasts in weather patterns. September enjoys a milder temperature range, with averages around 15°C (58°F) and maximums reaching 27°C (81°F), making it a pleasant month for outdoor activities. In contrast, February is much colder, with average temperatures hovering around 3°C (38°F) and minimums plunging to -12°C (10°F). Both months experience similar precipitation levels, with September totaling 92 mm (3.6 in) and February slightly higher at 97 mm (3.8 in), each spread across about 12 days. The humidity also increases in February, reaching 89%, compared to September's 81%. For a detailed look at February weather in Vallorbe, you can visit Vallorbe weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 27°C (81°F), with an average of 15°C (58°F). The month experiences moderate precipitation, totaling 92 mm (3.6 in) over 12 days, and a relatively high humidity of 81%. In contrast, March is much colder, featuring temperatures that dip as low as -12°C (11°F) and max out at 20°C (68°F), with an average temperature of 5°C (42°F). The precipitation in March is higher at 136 mm (5.3 in) over 15 days and is accompanied by an even higher humidity level of 87%. For a more detailed look at March weather, check out Vallorbe weather in March.
When comparing the weather in September and April, we see notable differences in temperature and precipitation. September tends to be warmer, with average temperatures reaching 15°C (58°F), peaking at a comfortable 27°C (81°F), while April's average temperature is cooler at 9°C (48°F), with a maximum of 24°C (76°F). Precipitation levels are slightly higher in September, with 92 mm (3.6 in) recorded over 12 days, compared to April's 71 mm (2.8 in) across 11 days. Despite the increased rain in September, April experiences slightly higher humidity at 84%, compared to September’s 81%. For more detailed information, you can check Vallorbe weather in April.
In comparing the weather between September and May in Vallorbe, we see notable differences as the seasons transition. September boasts a warmer average temperature of 15°C (58°F), compared to May's cooler average of 12°C (54°F), with both months sharing the same maximum temperature of 27°C (81°F). However, May experiences more precipitation, totaling 163 mm (6.4 in) over 18 rainy days, while September receives 92 mm (3.6 in) over 12 days, making it drier by comparison. Humidity levels are similar, with September at 81% and May slightly lower at 80%. For a closer look at the weather specifics in May, you can check out Vallorbe weather in May.
In comparing the weather of September and June, it's evident that June tends to be warmer overall. The average temperature in June is 17°C (63°F), peaking at a maximum of 33°C (92°F), while September averages a cooler 15°C (58°F) with a maximum of 27°C (81°F). Additionally, June experiences higher precipitation levels, with 160 mm (6.3 in) falling over 17 days, compared to September's 92 mm (3.6 in) over 12 days. Both months exhibit similar humidity levels, with September at 81% and June at 82%. For more detailed insights on June weather, you can visit Vallorbe weather in June.
In comparing the weather of September and July, it’s evident that July tends to be warmer overall. With average temperatures reaching 19°C (66°F), and maximums hitting 34°C (94°F), July is marked by a milder minimum temperature of 9°C (49°F). In contrast, September has a cooler average of 15°C (58°F), with a minimum of just 4°C (39°F) and a maximum of 27°C (81°F). Additionally, July experiences more rainfall, totaling 149 mm (5.9 in) across 16 days, compared to September's 92 mm (3.6 in) over 12 days. Both months have similar humidity levels, around 81-82%, making them typically humid. For a detailed look at July weather, refer to Vallorbe weather in July.
In comparing the weather between August and September, we notice a significant drop in temperature, with September experiencing a minimum of 4°C (39°F) compared to August's 7°C (45°F). The average temperature also declines from 18°C (65°F) in August to 15°C (58°F) in September, while maximum temperatures see a notable decrease from 32°C (90°F) to 27°C (81°F). Additionally, September is wetter, recording 92 mm (3.6 in) of precipitation over 12 days, compared to August's 149 mm (5.9 in) over 15 days. Humidity is slightly higher in September at 81%, whereas August maintains a lower level of 77%. For a more detailed look at August weather, you can check Vallorbe weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 27°C (81°F), with an average of 15°C (58°F), while October sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 21°C (71°F), averaging just 10°C (51°F). Additionally, October experiences increased precipitation, totaling 115 mm (4.5 in) over 12 days, compared to September's 92 mm (3.6 in) across the same number of days. Humidity also rises slightly in October to 89%, up from September's 81%. For more detailed insights into the October climate, check out Vallorbe weather in October.
In September, the weather is generally milder, featuring average temperatures around 15°C (58°F) and maximum highs reaching up to 27°C (81°F). However, it also experiences significant humidity at 81% and precipitation spread over about 12 days, totaling 92 mm (3.6 in). In contrast, November brings a notable drop in temperatures, with an average of just 5°C (41°F) and maximums peaking at 18°C (65°F). This month is also wetter, with precipitation increasing to 110 mm (4.3 in) over approximately 14 days and humidity rising to 89%. For more details about the weather specifics, you can check Vallorbe weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 4°C (39°F) to a warm 27°C (81°F), with an average of 15°C (58°F). The month experiences moderate precipitation, totaling 92 mm (3.6 in) over approximately 12 days and an average humidity of 81%. In contrast, December sees a drop in temperatures, with a minimum of -7°C (19°F), an average of 2°C (36°F), and a maximum of 12°C (54°F). This winter month is notably wetter, with precipitation reaching 191 mm (7.5 in) over about 20 days and a higher humidity level of 91%. For more detailed insights into December weather, check out Vallorbe weather in December.
As we transition into September, Vallorbe's weather begins to showcase its unique charm. With temperatures averaging a comfortable 15°C, this month presents a delightful mix of warm days and cool nights, markedly different from the sweltering heights of summer. The increased humidity at 81% and the slightly higher precipitation, with rain on about 12 days, signals the arrival of autumn, giving the landscape a refreshed and vibrant look. This blend of moderate warmth and refreshing rainfall sets the stage for the stunning fall foliage that Vallorbe is known for. For a deeper dive into each season's characteristics, check out Vallorbe Climate.