September Weather in Visperterminen, Switzerland

Last updated: August 27, 2025

September in Visperterminen, Switzerland, offers a blend of mild warmth and refreshing coolness, with maximum temperatures reaching 21°C (69°F) and an average of 8°C (48°F). As the month unfolds, the region experiences frequent rainfall, accumulating 116 mm (4.6 in) over 16 days, contributing to the lush, vibrant landscapes. The humidity level stays notable at 83%, enhancing the crisp, invigorating air that envelops this picturesque alpine locale. Whether it's the scenic trails or charming village life, September's weather invites exploration and appreciation of nature's beauty.

September Temperature in Visperterminen

As the summer warmth gently recedes, September in Visperterminen, Switzerland marks a transitional phase, with temperatures starting to reflect the approach of autumn. The average temperature hovers around 8°C (48°F), while the mercury dips to a chilly -4°C (25°F) at night and peaks at a pleasant 21°C (69°F) during the day. This shift heralds cooler evenings and fresher days, contrasting the milder warmth experienced in the preceding summer months. As nature's palette begins to shift, visitors can expect a crispness in the air, perfect for exploring the stunning alpine landscapes or savoring the local harvest. September truly captures the essence of change, inviting both adventure and reflection amid breathtaking scenery.

September Weather in Visperterminen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Visperterminen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Visperterminen, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec162227344152555447392718
Data source: Temperature data for Visperterminen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Visperterminen

In September, Visperterminen experiences a notable shift in precipitation, receiving about 116 mm (4.6 in) of rain over 16 days. This slight dip in rainfall compared to the more soggy summer months, where June and July saw peaks of 173 mm (6.8 in) and 131 mm (5.2 in), signals a transition into the wetter autumn season. However, the precipitation remains substantial, emphasizing that even as summer departs, the region continues to embrace its lush, tranquil landscapes. As October approaches with its 195 mm (7.7 in) forecast, September serves as a gentle reminder of nature's cycle, blending vibrant September hues with the promise of more rain ahead.

September Precipitation Trends in Visperterminen

The chart displays monthly precipitation patterns in Visperterminen, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Visperterminen, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11575111113163173131152116195141156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Visperterminen

In September, Visperterminen experiences a slight uptick in humidity, resting at 83%. This figure reflects a trend of variability throughout the year, where humidity is notably high during the winter months, peaking at 92% in January. As the seasons shift toward summer, humidity generally dips, reaching its lowest point at 80% in both May and August. However, as autumn approaches, the levels begin to rise again, foreshadowing the return to the more humid conditions of fall and winter, with October and December both hovering around 90%. This rhythm of humidity in Visperterminen paints a vivid picture of the region's changing climate, balancing between refreshing summer breezes and cozy, moist winter air.

September Average Humidity in Visperterminen

This chart illustrates the average monthly humidity levels in Visperterminen, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Visperterminen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Visperterminen

In September, Visperterminen experiences a shift toward more moderate sun exposure, with a UV Index of 7, categorized as high. This marks a gradual decline from the extreme levels of summer—peaking at 11 in June—offering a slightly gentler sun experience. With a recommended burn time of 25 minutes, residents and visitors alike can enjoy the outdoors while remaining mindful of sun safety. As the days grow shorter and cooler, it’s essential to adapt your sun protection strategies, capitalizing on September's pleasant weather while staying vigilant against UV rays. For more detailed insights on UV levels throughout the year, check out Visperterminen UV Index.

Maximum UV Index Levels in Visperterminen for September

The chart shows the monthly maximum UV Index (UVI) for Visperterminen in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Visperterminen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec348910111097632
Data source: Visperterminen September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Visperterminen

September in Visperterminen, Switzerland, offers a delightful transition as summer waves goodbye, basking in 323 hours of bright sunshine. This month stands out as a vibrant capstone to the sun-soaked months of July and August, which each enjoyed over 380 hours of radiant daylight. Following the peak summer, September's sun still shines generously, reflecting a steady decline into the cooler months. As the temperatures begin to dip, the reduction in sunshine hours from the summer's peak creates a cozy atmosphere, perfect for indulging in the stunning autumn foliage. This gradual shift is a gentle reminder of nature's cycles, making September a month of both warmth and change amidst the breathtaking Swiss landscape.

Monthly Sunshine Duration in Visperterminen: September Highlighted

The September sunshine duration represents the total number of hours Visperterminen experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec181h236h306h353h365h389h417h382h323h287h231h205h
Data source: Visperterminen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Visperterminen During September

In Visperterminen, Switzerland, September offers a modest 23% chance of sunny weather, continuing a trend from the summer months where sunshine is more prevalent. As we transition from August's more favorable 40% likelihood of sun, September sees a slight dip, indicating the encroachment of autumn. This reduction aligns with the general pattern observed from June onwards, where the chance of clear skies decreases, particularly compared to the spring months, which enjoy higher percentages. Nevertheless, September still provides a pleasant opportunity for outdoor activities under the crisp mountain sky, albeit with a bit more unpredictability than the peak summer season.

Percentage of Sunny Days in September in Visperterminen

The chart illustrates the percentage of sunny days in Visperterminen throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Visperterminen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%36%43%40%31%22%31%40%23%37%28%38%
Data source: Visperterminen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Visperterminen in September

In Visperterminen, Switzerland, September marks a gentle transition toward autumn, with daylight lasting around 12 hours. This month showcases a gradual reduction in sunlight compared to the vibrant summer months of June and July, which basked in 15 hours of daylight. As the summer warmth begins to fade, September strikes a balance, offering more light than the approaching October's 10 hours. The decline in daylight from summer's peak reflects the seasonal shift, though it still allows plenty of time for outdoor adventures amidst the stunning alpine landscape. This gradual ebbing of sunlight serves as a reminder of the cyclical beauty of nature, inviting residents and visitors alike to savor the lingering warmth and colorful foliage before winter sets in.

Average Daylight Hours in Visperterminen for September

The chart illustrates the variation in daylight duration in Visperterminen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m14h 59m15h 43m15h 20m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Visperterminen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Visperterminen

As September unfolds in Visperterminen, Switzerland, the gentle whispers of the September wind can be felt, with an average speed of just 0.9 m/s (2 mph). This marks the month where the winds begin to slow down noticeably, dropping from the more consistent breezes of summer months like July and August, which both registered at 1.1 m/s (2 mph). From the brisk early months of the year, averaging around 1.5 m/s (3 mph) in January, the trend shows a gradual tapering as autumn approaches, leading into slightly breezier conditions in October. This shift in wind patterns not only enhances the serene atmosphere of the village but also signals the transition into the cozy embrace of autumn, where the landscapes begin to change in tandem with the gentler breezes.

Average September Wind Speed in Visperterminen

The chart displays monthly wind speed patterns in Visperterminen, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.21.21.21.31.11.11.10.9 m/s1.31.21.4
Data source: Visperterminen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Visperterminen Compares to Other Months

Weather in Visperterminen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Visperterminen, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather conditions. In September, the temperatures range from a chilly minimum of -4°C (25°F) to a pleasant maximum of 21°C (69°F), with an average temperature of 8°C (48°F). This month experiences significant precipitation totaling 116 mm (4.6 in) spread over 16 days, coupled with relatively high humidity at 83%. In contrast, January typically sees much harsher weather, with temperatures plummeting to a minimum of -25°C (-13°F) and peaking at only 4°C (40°F). The average temperature during this winter month falls to -9°C (16°F). Precipitation is slightly lower at 115 mm (4.5 in) over just 10 days, but humidity is higher, reaching 92%. For a detailed look at January weather in Visperterminen, check out Visperterminen weather in January.

September and February present strikingly contrasting weather conditions. In September, temperatures range from a crisp -4°C (25°F) at their lowest to a mild 21°C (69°F) at their peak, averaging around 8°C (48°F). The month experiences significant rainfall, with 116 mm (4.6 in) of precipitation spread over 16 days, accompanied by a humidity level of 83%.

In contrast, February is much colder, with temperatures plunging to a minimum of -23°C (-9°F) and peaking at just 10°C (50°F), resulting in an average temperature of -5°C (23°F). Precipitation is lower at 75 mm (2.9 in) but occurs over 12 days, with a higher humidity level of 89%. For more detailed insights into February’s weather, you can visit Visperterminen weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a chilly -4°C (25°F) at night to a pleasant 21°C (69°F) during the day, with an average of 8°C (48°F). The month sees a considerable amount of precipitation at 116 mm (4.6 in), spread over 16 days, and humidity levels are high at 83%. In contrast, March experiences much colder conditions, with temperatures dipping as low as -24°C (-11°F) and peaking at just 11°C (52°F), averaging -3°C (27°F). Despite the slight difference in total precipitation at 111 mm (4.4 in) also over 16 days, March has higher humidity at 87%. For those interested in more specific weather patterns, you can check Visperterminen weather in March.

When comparing the weather in September and April, it is clear that both months exhibit chillier conditions, albeit with some notable differences. September typically enjoys milder temperatures, with an average of 8°C (48°F) and a maximum of 21°C (69°F), while April has a cooler average of just 1°C (35°F) and a maximum of 14°C (58°F). Both months experience a similar amount of precipitation, with September receiving 116 mm over 16 days and April slightly less at 113 mm over 12 days. Humidity remains relatively high in both months, with September at 83% and April at 84%, adding to the cool, crisp feel of the air. For a detailed look into conditions during this transition into spring, check out Visperterminen weather in April.

September and May exhibit distinct weather patterns, with September generally experiencing milder conditions. In September, temperatures range from a minimum of -4°C (25°F) to a maximum of 21°C (69°F), resulting in an average of 8°C (48°F). The month sees 116 mm (4.6 in) of precipitation over 16 days, accompanied by a relatively high humidity of 83%. In contrast, May has colder minimum temperatures reaching down to -11°C (12°F), with an average of 5°C (41°F) and a maximum of 19°C (67°F). It also has higher precipitation levels at 163 mm (6.4 in) over 21 days but slightly lower humidity at 80%. For more detailed information, you can explore Visperterminen weather in May.

In comparing the weather of September and June, we observe distinct differences in temperature and precipitation patterns. September typically sees a wider range of temperatures, with a minimum of -4°C (25°F) and a maximum of 21°C (69°F), while June has slightly warmer temperatures, ranging from -2°C (28°F) to a maximum of 26°C (80°F). Precipitation also varies, with September receiving 116 mm (4.6 in) over 16 days compared to June's higher total of 173 mm (6.8 in) over 19 days. Both months experience high humidity, with September at 83% and June slightly lower at 82%. For a more detailed look at June weather specifically, you can refer to Visperterminen weather in June.

When comparing the weather between September and July, one can notice distinct differences in temperature and precipitation patterns. September experiences a cooler climate, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (69°F), while July offers warmer temperatures, with averages between 2°C (35°F) and 24°C (75°F). Precipitation is slightly higher in July, totaling 131 mm (5.2 in) over 19 days, compared to September's 116 mm (4.6 in) over 16 days. Both months exhibit the same humidity level of 83%, adding to the overall dampness of the region. For more detailed insights, see Visperterminen weather in July.

In comparing the weather between August and September, September presents a notable drop in temperature, with average highs of 21°C (69°F) compared to August's 24°C (75°F). September's minimum temperatures also dipped to -4°C (25°F), whereas August started at a milder 1°C (35°F). Precipitation levels are slightly lower in September, with 116 mm (4.6 in) over 16 days, compared to August's 151 mm (6.0 in) over 18 days. However, September maintains a higher humidity level at 83%, slightly above August's 80%. For more details on August weather, check out Visperterminen weather in August.

As September transitions into October, the weather undergoes a noticeable shift. September typically experiences a wider temperature range, with minimums around -4°C (25°F) and maximums reaching 21°C (69°F), resulting in an average of 8°C (48°F). In contrast, October sees cooler conditions, with minimum temperatures dropping to -8°C (19°F) and maximums capping at 15°C (60°F), leading to a reduced average of 4°C (39°F). Additionally, October is marked by increased precipitation, totaling 195 mm (7.7 in) over 13 days, compared to September's 116 mm (4.6 in) over 16 days. Humidity also rises in October, reaching 90%, up from September's 83%. For a detailed look at the conditions in October, you can check Visperterminen weather in October.

September and November showcase a stark contrast in weather conditions. In September, temperatures range from a minimum of -4°C (25°F) to a comfortable maximum of 21°C (69°F), with an average around 8°C (48°F). The month sees 116 mm (4.6 in) of precipitation spread across 16 days, accompanied by a humidity level of 83%. In contrast, November experiences much colder temperatures, with a minimum plunging to -21°C (-6°F) and an average of -3°C (27°F), while the maximum reaches only 12°C (54°F). Precipitation increases to 141 mm (5.5 in) over 16 days, with humidity rising to 88%. This shift highlights the transition into winter, making November decidedly chillier and wetter than September. For more details, check Visperterminen weather in November.

The weather in September is notably milder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (69°F) and an average of 8°C (48°F). In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -25°C (-12°F), averaging -8°C (18°F), and peaking at just 4°C (40°F). Additionally, while September experiences 116 mm (4.6 in) of precipitation over 16 days, December sees an increase to 156 mm (6.2 in) of precipitation over 17 days, accompanied by a higher humidity level of 90%. For more details on winter conditions, you can check Visperterminen weather in December.

Compare Visperterminen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Visperterminen

September in Visperterminen brings a notable shift in weather compared to the warmer summer months, with temperatures gradually cooling and a distinct increase in precipitation. As the season changes, expect cooler averages that create a crisp atmosphere, while lingering warmth reaches its peak in occasional sunny spells. The frequent rainfall, coupled with noticeably higher humidity, adds a refreshing quality to the air but also marks a transition into the wetter part of the year. For a deeper dive into the climate trends of Visperterminen, explore Visperterminen Climate.