September Weather in Kandersteg, Switzerland

Last updated: August 27, 2025

September in Kandersteg, Switzerland, offers a varied climate characterized by a maximum temperature of 20°C (68°F), providing a pleasant backdrop for outdoor activities. The average temperature hovers around 8°C (46°F), while the nights can dip to a chilly minimum of -6°C (21°F). This transitional month witnesses 119 mm (4.7 in) of precipitation spread over 16 days, contributing to the picturesque landscapes of the region. With an humidity level of 83%, visitors can expect a fresh, invigorating atmosphere, perfect for exploring the natural beauty that Kandersteg has to offer.

September Temperature in Kandersteg

As September arrives in Kandersteg, Switzerland, the temperatures begin to exhibit a noticeable transition toward autumn. The month starts with a minimum temperature of -6°C (21°F), giving way to an average of 8°C (46°F) and a pleasant maximum of 20°C (68°F). This marks a gentle shift from the warmer summer months, where July and August boasted highs around the mid-20s°C. In September, the crisp air hints at the approaching winter, as the daily temperatures gradually cool. With nights becoming chillier, it’s the perfect time for cozy gatherings and enjoying the spectacular alpine scenery as the leaves begin to change hues, creating a stunning backdrop to this serene Swiss village.

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

The chart illustrates September temperature patterns in Kandersteg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kandersteg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec162226334050535246372719
Data source: Temperature data for Kandersteg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kandersteg

In September, Kandersteg experiences a noteworthy shift in precipitation patterns, receiving 119 mm (4.7 in) of rain over 16 days. This marks a decrease from the wetter summer months, where July and August both saw higher totals of 195 mm (7.7 in) and 179 mm (7.0 in), respectively. The pattern suggests a transition toward drier autumn conditions, with September's rainfall being more moderate compared to the summer peak. As the year progresses, it's clear that Kandersteg prepares for a change in weather, with the precipitation in September being significantly less than the heavy snows and rains that often characterize the winter months ahead.

September Precipitation Trends in Kandersteg

The chart displays monthly precipitation patterns in Kandersteg, 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 Kandersteg, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17512515494183159195179119158106241
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kandersteg

In September, Kandersteg experiences a moderate humidity level of 83%, maintaining a balance that reflects the transition from summer warmth to autumnal chill. This slight uptick from August's 80% indicates a gradual increase in moisture as the region prepares for the wetter months ahead. Overall, the trend throughout the year shows a peak in humidity during the winter months, with January and December both hovering around 90%. As spring unfolds, humidity begins to decrease, reaching its lowest average of 80% in May, before rising again as the year progresses. This natural ebb and flow of humidity is characteristic of the alpine climate, providing a refreshing backdrop to Kandersteg's stunning landscapes.

September Average Humidity in Kandersteg

This chart illustrates the average monthly humidity levels in Kandersteg, 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 Kandersteg 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 Kandersteg

As September rolls in Kandersteg, Switzerland, the UV Index experiences a notable decline from the peaks of summer, settling at 7, which falls under the high exposure category. This means that during this month, a fair amount of sun can still be enjoyed, but caution is essential, with a burn time of just 25 minutes for unprotected skin. Compared to the spike in June with an extreme UV Index of 11, this decrease signals the transition toward cooler months. However, the lingering high levels of UV radiation serve as a reminder to remain vigilant about sun protection as autumn approaches. To stay informed about UV levels throughout the year, visit the detailed Kandersteg UV Index.

Maximum UV Index Levels in Kandersteg for September

The chart shows the monthly maximum UV Index (UVI) for Kandersteg 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 Kandersteg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Kandersteg 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 Kandersteg

As summer gracefully transitions into autumn, September in Kandersteg enjoys a serene glow with 323 hours of sunshine—a delightful complement to the vibrant surroundings. Following the peak of July, which basks in 416 hours of sunlight, September's brightness hints at the approaching cooler months while still retaining a generous portion of summer's warmth. The gradual decline in daylight hours from August's 383 hours reflects nature’s shift, creating a picturesque backdrop for hikers and nature lovers. As the scenic mountains begin to don their autumn hues, visitors can relish the enchanting blend of sunshine and tranquility that September encapsulates in this charming Swiss village.

Monthly Sunshine Duration in Kandersteg: September Highlighted

The September sunshine duration represents the total number of hours Kandersteg 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h234h303h355h360h388h416h383h323h288h232h202h
Data source: Kandersteg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kandersteg During September

In Kandersteg, Switzerland, the likelihood of sunny weather in September reflects a moderate trend, with a 25% chance of sunshine. This marks a drop from the summer months, where July and August boast 26% and 30% chances, respectively. As the region transitions from summer to autumn, this decline is not surprising, yet it stands out against October, which sees an uptick in sunny days at 40%. Overall, while September provides some bright moments, it signals the start of the grayer, cooler days that will characterize the upcoming months.

Percentage of Sunny Days in September in Kandersteg

The chart illustrates the percentage of sunny days in Kandersteg 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 Kandersteg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%35%37%38%25%26%26%30%25%40%30%35%
Data source: Kandersteg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kandersteg in September

As summer gives way to autumn, September in Kandersteg, Switzerland, experiences a pleasant transition with 12 hours of daylight. This marks a notable decrease from the sun-soaked 15 hours enjoyed during July and August, signaling the shift in seasons. However, the daylight duration remains relatively generous compared to the shorter days that lie ahead in October, with only 10 hours of sunlight. This gradual tapering of daylight hints at the approaching winter months while still allowing ample time for outdoor adventures amidst the vibrant fall foliage, making September a delightful month for both residents and visitors alike.

Average Daylight Hours in Kandersteg for September

The chart illustrates the variation in daylight duration in Kandersteg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 1m10h 18m11h 56m13h 36m15h 1m15h 45m15h 22m14h 6m12h 30m10h 50m9h 22m8h 37m
Data source: Kandersteg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kandersteg

As September unfolds in Kandersteg, Switzerland, the gentle caress of the September wind sets a tranquil tone, with average speeds tapering to a mellow 1.0 m/s (2 mph). This subtle dip follows a summer of mild breezes, where consistency reigned at 1.2 m/s (3 mph) from July through August. The transition into autumn gently ushers in calmness, contrasting with the slightly brisker gusts experienced earlier in the year, such as January’s peak of 1.4 m/s (3 mph). As the days grow shorter and the air crisp, September's wind whispers of the changing season, inviting both locals and visitors to embrace the serene beauty that Kandersteg has to offer.

Average September Wind Speed in Kandersteg

The chart displays monthly wind speed patterns in Kandersteg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.21.31.21.11.21.21.0 m/s1.41.31.3
Data source: Kandersteg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kandersteg Compares to Other Months

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

In comparing the weather of September and January, we see a stark contrast in temperatures and conditions. September features more moderate temperatures, ranging from a minimum of -6°C (21°F) to a pleasant average of 8°C (46°F) and a maximum of 20°C (68°F). This month experiences about 119 mm (4.7 in) of precipitation spread over 16 days, coupled with a humidity level of 83%. In striking contrast, January plunges into colder extremes, with temperatures dropping to a minimum of -25°C (-12°F) and an average of -9°C (16°F), peaking at a mere 5°C (42°F). January not only sees an increase in precipitation, totaling 175 mm (6.9 in) across 13 days, but also a higher humidity of 92%. For more detailed information, you can refer to Kandersteg weather in January.

September and February present markedly different weather conditions. In September, temperatures typically range from a minimum of -6°C (21°F) to a pleasant maximum of 20°C (68°F), averaging around 8°C (46°F). The month receives about 119 mm (4.7 in) of precipitation over 16 days, with humidity levels around 83%. In contrast, February is significantly colder, with temperatures dropping as low as -24°C (-11°F) and peaking at 8°C (47°F), averaging -6°C (22°F). This month sees a slight increase in precipitation to 125 mm (4.9 in), spread over just 11 days, and a higher humidity level of 89%. These seasonal differences highlight the transition from early autumn's milder climate to the depths of winter cold. For more detailed information, you can check out Kandersteg weather in February.

September and March showcase contrasting weather patterns in terms of temperature and precipitation. In September, temperatures range from a low of -6°C (21°F) to a comfortable average of 8°C (46°F), peaking at a pleasant 20°C (68°F). The month sees a total precipitation of 119 mm (4.7 in) over 16 days, with humidity levels around 83%. Conversely, March experiences much chillier conditions, with minimum temperatures plummeting to -26°C (-15°F) and an average of -3°C (26°F), reaching a maximum of only 11°C (53°F). Precipitation in March is slightly higher at 154 mm (6.1 in), also spread across 16 days, and humidity increases to 87%. For a detailed look at the weather conditions, you can check out Kandersteg weather in March.

When comparing the weather in September and April, we see notable differences in temperature and precipitation. In September, temperatures typically 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). This month also experiences higher precipitation, totaling 119 mm (4.7 in) over 16 days, and a humidity level of 83%. In contrast, April is chillier, with temperatures ranging from -16°C (3°F) to a maximum of 14°C (57°F), averaging around 0°C (33°F). The precipitation in April is slightly lower at 94 mm (3.7 in) across 12 days, while humidity remains comparable at 84%. For more detailed information about the weather specifics, you can check out Kandersteg weather in April.

In September, the weather typically features a milder average temperature of 8°C (46°F), with maximum highs reaching up to 20°C (68°F). In contrast, May presents cooler temperatures with an average of 4°C (40°F) and maximums peaking at 19°C (67°F), although it can dip as low as -11°C (12°F). September experiences less precipitation compared to May, with 119 mm (4.7 in) over 16 days, while May sees a higher total of 183 mm (7.2 in) spread across 22 days. Despite May's overall chill, it maintains a relatively consistent humidity level of 80%, slightly lower than September’s 83%. For a closer look at what to expect, check out this link: Kandersteg weather in May.

In comparing the weather of September and June, September typically features cooler temperatures, with an average of 8°C (46°F) compared to June's warmer average of 10°C (50°F). The maximum temperature in September reaches 20°C (68°F), while June can reach up to 26°C (79°F), making June the warmer month overall. Additionally, September experiences slightly less precipitation, with 119 mm (4.7 in) over 16 days, compared to June's 159 mm (6.3 in) over 21 days. Humidity levels are relatively similar, with September at 83% and June just a touch lower at 82%. For more detailed insights on June weather, you can check out Kandersteg weather in June.

When comparing the weather in September and July, notable differences arise in temperature and precipitation patterns. September experiences a broader temperature range, with minimums dropping to -6°C (21°F) and maximums reaching 20°C (68°F), while the average temperature is around 8°C (46°F). In contrast, July boasts a milder climate, with minimums of 1°C (33°F), maximums of 26°C (78°F), and an average of 12°C (53°F). Precipitation levels are also higher in July, amounting to 195 mm (7.7 in) over 22 rainy days, compared to September's 119 mm (4.7 in) over 16 days. Both months share the same humidity level of 83%, but the overall experience in July tends to feel warmer and more humid. For more specific insights about Kandersteg during this month, check out Kandersteg weather in July.

In September, temperatures tend to be cooler compared to August, with minimums dropping to -6°C (21°F) and an average of 8°C (46°F), while August records a milder minimum of 0°C (33°F) and an average of 11°C (52°F). Maximum temperatures in September peak at 20°C (68°F), slightly less than August's high of 23°C (73°F). Precipitation is also notable in both months, but September experiences 119 mm (4.7 in) over 16 days, compared to August's heavier 179 mm (7.0 in) over 21 days. Humidity levels are relatively similar, with September at 83% and August at 80%. For more details on August weather, visit Kandersteg weather in August.

September and October exhibit notable changes in weather characteristics, with October generally being colder and wetter. 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, October sees a further drop in temperatures, with a minimum of -9°C (16°F), an average of 3°C (38°F), and a maximum of 16°C (61°F). Rainfall increases to 158 mm (6.2 in) across 13 days, while humidity rises slightly to 90%. For a detailed look at what to expect in October, check out Kandersteg weather in October.

September in Kandersteg is characterized by milder temperatures, with an average of 8°C (46°F) and highs reaching up to 20°C (68°F), making it a pleasant month for outdoor activities. The weather is relatively humid, with 83% humidity and 119 mm (4.7 in) of precipitation over 16 days. In contrast, November brings a more frigid climate, with average temperatures plummeting to -3°C (27°F) and minimums reaching as low as -20°C (-4°F). Although November sees slightly less precipitation—106 mm (4.2 in)—the humidity increases to 88%, creating a chillier atmosphere. For a detailed look at the November weather conditions, you can explore Kandersteg weather in November.

September and December present stark contrasts in weather conditions. 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). The month experiences 119 mm (4.7 in) of precipitation over 16 days, accompanied by a relatively high humidity level of 83%. In contrast, December brings much colder weather, with temperatures dipping to a frigid minimum of -26°C (-15°F) and an average of -7°C (19°F), reaching a maximum of only 5°C (41°F). Precipitation almost doubles to 241 mm (9.5 in) across 19 days, and humidity rises to 90%. For more details on December weather conditions, visit Kandersteg weather in December.

Compare Kandersteg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kandersteg

As September unfolds in Kandersteg, the weather begins to transition from the warmth of summer to the crispness of autumn. With temperatures averaging 8°C and maximums touching 20°C, it serves as a gentle reminder of the changing seasons. This month is notable for its frequent rainfall, with 16 days of precipitation contributing to a total of 119 mm—making it one of the wetter months of the year. The high humidity at 83% further accentuates the feeling of coolness in the air. In contrast to the sunnier summer months, September offers a unique charm, transforming the landscape into a canvas of early autumn hues. For more detailed insights on Kandersteg's weather patterns, visit Kandersteg Climate.