September Weather in Verbier, Switzerland

Last updated: August 27, 2025

In September, Verbier, Switzerland, experiences a refreshing transition from summer to autumn, with temperatures ranging from a comfortable 20°C (68°F) to a brisk -9°C (15°F). The average temperature settles at a cool 8°C (46°F), making it a perfect time to enjoy the stunning alpine scenery. However, be prepared for frequent rain, as the month sees around 82 mm (3.2 in) of precipitation over 13 days. Coupled with a humidity level of 73%, visitors can expect a crisp atmosphere ideal for outdoor adventures and cozy evenings. Embrace the changing seasons in this picturesque mountain retreat!

September Temperature in Verbier

In September, Verbier, Switzerland experiences a marked transition from the warmth of summer to the crispness of autumn. With minimum temperatures dipping to -9°C (15°F) and a comfortable average of 8°C (46°F), the region begins to cool significantly, yet it still enjoys pleasant daytime highs reaching up to 20°C (68°F). This shift is part of a broader trend seen throughout the year, where temperatures gradually decline from the peak warmth of July and August. As September unfolds, the vibrant alpine landscapes are often accompanied by a refreshing chill in the air, making it an ideal time for outdoor enthusiasts to explore the stunning scenery before winter descends. The overall climate reflects the enchanting beauty of the Swiss Alps in early fall, inviting visitors to revel in nature's changing palette.

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

The chart illustrates September temperature patterns in Verbier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Verbier, 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).
JanFebMarAprMayJunJulAugSepOctNovDec132025323950535346382517
Data source: Temperature data for Verbier 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 Verbier

In September, Verbier experiences a noticeable shift in its precipitation patterns, receiving 82 mm (3.2 in) of rain over 13 days. This marks a decline from the wetter summer months, with rainfall tapering off compared to the 124 mm (4.9 in) recorded in August. As the region transitions into autumn, this decrease not only brings relief from the intense summer storms but also enhances the scenic beauty of the landscape, leading to crisp, clear days mixed with gentle rains. The month stands as a gentle reminder of the changing seasons, setting the stage for the upcoming snowfall while maintaining a comfortable, refreshing climate for outdoor activities.

September Precipitation Trends in Verbier

The chart displays monthly precipitation patterns in Verbier, 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 Verbier, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec137961237415311412512482123103203
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Verbier

As the summer months fade into autumn, September in Verbier, Switzerland witnesses a slight increase in humidity, rising to 73% from the lower levels experienced in August. This moderate humidity is part of a broader trend observed throughout the year, where humidity generally peaks in the colder months, reaching 91% in January and 90% in December. The data suggests a gradual decline from 91% in January to as low as 63% in August, before inching up again in September. As autumn approaches, residents and visitors alike can expect the air to become a touch more humid, signaling the transition towards the chillier, wetter conditions of fall.

September Average Humidity in Verbier

This chart illustrates the average monthly humidity levels in Verbier, 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 Verbier is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Verbier

In September, Verbier, Switzerland continues to bask in the sun with a UV Index of 7, categorized as high, allowing for a burn time of about 25 minutes. This marks a gradual decline from the summer's peak, with July and August seeing extremely high levels peaking at 10 and 9, respectively. As autumn approaches, the UV Index drops, reflecting a shift in outdoor activities and sun safety precautions. It’s essential to stay vigilant as the sun's rays can still be potent, especially for those enjoying the stunning alpine scenery. For a detailed understanding of UV levels, you can visit Verbier UV Index.

Maximum UV Index Levels in Verbier for September

The chart shows the monthly maximum UV Index (UVI) for Verbier 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 Verbier typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec358910111097632
Data source: Verbier 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 Verbier

As summer wanes and autumn approaches, September in Verbier offers a delightful blend of warmth and scenic beauty, characterized by an impressive 330 hours of sunshine. This month marks a transition in the sunshine trend, following the peak of 422 hours in July, as the days grow shorter but still bask in a generous glow. Compared to the earlier months, September retains a substantial amount of sunlight, providing ample opportunities for outdoor activities amidst stunning alpine views. It serves as a gentle reminder of the sun-drenched summer that just passed, while still promising beautiful days before the winter chill sets in, making it an ideal time to explore the vibrant landscapes of this Swiss gem.

Monthly Sunshine Duration in Verbier: September Highlighted

The September sunshine duration represents the total number of hours Verbier 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.
JanFebMarAprMayJunJulAugSepOctNovDec178h241h309h354h366h398h422h392h330h292h230h207h
Data source: Verbier September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Verbier During September

In Verbier, Switzerland, the likelihood of sunny weather in September stands at a moderate 28%. This places September in line with a slightly lower chance of sunshine compared to the lively summer months of July and August, which boast probabilities of 34% and 39%, respectively. Interestingly, as the season transitions into October, the odds of sunshine rebound to 43%, highlighting a common trend in which early autumn often offers clearer skies. While September may not be the sunniest month, it retains a charm that beckons outdoor enthusiasts, offering a unique blend of pleasant weather and stunning fall foliage.

Percentage of Sunny Days in September in Verbier

The chart illustrates the percentage of sunny days in Verbier 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 Verbier experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%38%43%43%28%28%34%39%28%43%31%36%
Data source: Verbier September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Verbier in September

As summer gracefully transitions to autumn in Verbier, Switzerland, September marks a subtle shift in daylight, offering approximately 12 hours of sunshine each day. This decrease comes after basking in the long, sun-drenched days of July and August, where daylight peaked at 15 hours. The month serves as a gentle reminder of nature's rhythm, as the vibrant colors of fall begin to emerge while the daylight hours gradually shorten. Following the lively months of spring and summer, with their increasing daylight from 9 hours in January to a zenith of 15 hours in June, September’s mellow ambiance invites both locals and visitors to savor the beauty of the changing seasons. As daylight wanes, this picturesque alpine town prepares for the cozy charm of autumn, setting the stage for a stunning tapestry of orange and gold as the year progresses.

Average Daylight Hours in Verbier for September

The chart illustrates the variation in daylight duration in Verbier throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 5m10h 21m11h 56m13h 34m14h 57m15h 40m15h 17m14h 3m12h 29m10h 52m9h 26m8h 41m
Data source: Verbier daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Verbier

As summer winds down in Verbier, Switzerland, the September air grows noticeably still, with an average wind speed dropping to 1.0 m/s (2 mph)—the calmest of the year. This gentle breeze signifies a transition, as the vibrant energy of warmer months gives way to a more serene atmosphere, inviting visitors to reflect on the stunning alpine scenery. Following a mild summer, the winds remain light, reminiscent of the previous months, yet contrast sharply with the brisk gusts that greet the onset of autumn in October. While many regions brace for colder, windier days, Verbier enjoys an almost tranquil September, allowing for peaceful exploration of its breathtaking landscapes.

Average September Wind Speed in Verbier

The chart displays monthly wind speed patterns in Verbier, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.71.21.21.31.11.21.21.0 m/s1.41.41.4
Data source: Verbier September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Verbier Compares to Other Months

Weather in Verbier varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Verbier, 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 chilly -9°C (15°F) at night to a mild 20°C (68°F) during the day, with an average of 8°C (46°F). The month sees about 82 mm (3.2 in) of precipitation spread over 13 days, and humidity levels are moderately high at 73%. In contrast, January is much colder, with temperatures plummeting to a minimum of -29°C (-20°F) and a maximum of just 5°C (41°F), averaging around -10°C (14°F). This month experiences even higher precipitation at 137 mm (5.4 in) over 10 days, accompanied by a humidity level of 91%. For those curious about specific conditions during this winter month, you can find more information here: Verbier weather in January.

In September, the weather tends to be milder with average temperatures around 8°C (46°F), peaking at a comfortable 20°C (68°F) during the day, while nighttime lows drop to -9°C (15°F). The month experiences around 82 mm (3.2 in) of precipitation over 13 days, with a humidity level of 73%. In contrast, February brings much colder conditions, with average temperatures plummeting to -6°C (21°F) and maximums only reaching 7°C (45°F). The minimum temperatures can drop to a frigid -24°C (-12°F). February sees slightly higher precipitation at 96 mm (3.8 in), spread over 11 days, and a higher humidity level of 87%. For those interested in more detailed conditions, check Verbier weather in February.

In comparing the weather of September and March, notable differences emerge. September typically enjoys milder temperatures, with daily averages around 8°C (46°F) and highs reaching 20°C (68°F), while March lags behind with an average of -4°C (25°F) and a maximum of just 10°C (51°F). Both months see significant precipitation, although March experiences more rainfall at 123 mm (4.8 in) compared to September's 82 mm (3.2 in), and slightly more rainy days at 15. The humidity also peaks in March at 84%, slightly higher than September's 73%. For more specific details on March weather conditions, you can refer to Verbier weather in March.

In comparing the weather between September and April, September presents a milder climate with average temperatures around 8°C (46°F), ranging from a low of -9°C (15°F) to a pleasant high of 20°C (68°F). With 82 mm of precipitation over 13 days, it offers relatively more rainfall, while humidity sits at 73%. In contrast, April experiences colder conditions, with average temperatures hovering around 0°C (32°F), where lows can dip to -18°C (-1°F) and highs reach only 13°C (55°F). Despite slightly lower precipitation at 74 mm over 11 days, the humidity is a bit higher at 83%. For more detailed insights on April weather, check Verbier weather in April.

September and May exhibit distinct weather patterns, reflecting the transition from summer to autumn in Verbier. In September, temperatures average around 8°C (46°F), with a maximum of 20°C (68°F) and a minimum of -9°C (15°F). The month sees about 82 mm (3.2 in) of precipitation over 13 days, with humidity levels at 73%. In contrast, May boasts cooler average temperatures of 4°C (40°F), a maximum of 18°C (65°F), and a minimum of -16°C (4°F). It is notably wetter, with 153 mm (6.0 in) of precipitation across 20 days and slightly higher humidity at 78%. You can learn more about the unique weather conditions in May by visiting Verbier weather in May.

In comparing the weather between September and June, we see notable differences in temperature and precipitation patterns. September features a wider temperature range, with a low of -9°C (15°F) and a maximum of 20°C (68°F), averaging around 8°C (46°F). In contrast, June offers milder conditions with a minimum temperature of -3°C (26°F) and a maximum of 25°C (77°F), resulting in an average temperature of 10°C (50°F). Precipitation is also more prevalent in June, totaling 114 mm (4.5 in) across 17 days, compared to September's 82 mm (3.2 in) over 13 days. Both months exhibit high humidity levels, with September at 73% and June slightly higher at 75%. For a detailed look at June conditions in Verbier, check out Verbier weather in June.

In comparing the weather of September and July, we see notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of -9°C (15°F) and a maximum of 20°C (68°F), leading to an average of 8°C (46°F). In contrast, July has milder conditions, where temperatures range from a minimum of 0°C (32°F) to a maximum of 25°C (77°F), yielding an average of 12°C (54°F). Additionally, July tends to be wetter, with 125 mm (4.9 in) of precipitation over 17 days compared to September's 82 mm (3.2 in) across 13 days. Humidity levels remain consistent between the two months, with September at 73% and July slightly lower at 72%. For more details on the July weather in Verbier, you can check Verbier weather in July.

In comparing the weather conditions of September and August, September tends to be cooler with a minimum temperature dropping to -9°C (15°F) and an average temperature of 8°C (46°F), whereas August features a milder climate with temperatures ranging from a minimum of 0°C (32°F) to an average of 12°C (53°F). Additionally, September sees a maximum temperature of only 20°C (68°F), compared to August's warmer peak of 23°C (74°F). Precipitation is also notably different; September experiences 82 mm (3.2 in) across 13 days, while August has higher precipitation levels at 124 mm (4.9 in) over 16 days, contributing to a slightly lower humidity in August at 63% versus September's 73%. For more detailed weather patterns, you can check Verbier weather in August.

September typically offers a milder climate with average temperatures ranging from -9°C (15°F) to a pleasant maximum of 20°C (68°F). It presents a significant amount of rainfall, totaling 82 mm (3.2 in) over approximately 13 days, while humidity hovers around 73%. In contrast, October tends to be cooler, with minimum temperatures dropping to -12°C (11°F) and an average of just 3°C (38°F). Rainfall increases to 123 mm (4.8 in), also spread over 13 days, and humidity rises to 89%, giving the month a distinctly chillier, damp feel. For a more detailed look at October weather in the region, you can visit Verbier weather in October.

In comparing the weather between September and November, there is a stark contrast in temperatures. September experiences milder conditions with a minimum of -9°C (15°F) and an average of 8°C (46°F), while November plunges further into winter with lows reaching -23°C (-10°F) and an average of -4°C (25°F). Precipitation also increases slightly in November, with a total of 103 mm (4.0 in) over 14 days compared to September's 82 mm (3.2 in) across 13 days. Additionally, November tends to be more humid, with levels at 90%, compared to September's 73%. For more detailed information, you can check Verbier weather in November.

In September, temperatures in Verbier range from a chilly -9°C (15°F) at night to a pleasant max of 20°C (68°F) during the day, with an average temperature of around 8°C (46°F). The month typically sees about 82 mm (3.2 in) of precipitation over 13 days, and the humidity is moderate at 73%. In contrast, December brings much colder conditions, with minimum temperatures dropping to -25°C (-12°F) and a maximum of only 5°C (41°F), leading to an average of -8°C (17°F). Rainfall increases significantly, totaling 203 mm (8.0 in) over 18 days, while humidity rises to 90%. For more details on December weather in Verbier, you can visit Verbier weather in December.

Compare Verbier's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Verbier

As September rolls into Verbier, the weather offers a refreshing transition from the bustling warmth of summer to the crispness of autumn. With an average temperature hovering around 8°C (46°F), visitors can expect mild days that are perfect for outdoor adventures, punctuated by the occasional cool evening. While rainfall is notable, with precipitation spread across about half the month, the lush landscape thrives, inviting exploration of the stunning scenery. This intriguing blend of weather patterns sets September apart from the more stable and warmer months of summer, making it an ideal time for those who enjoy cooler temps and quieter surroundings. For more detailed insights on the fascinating climate trends throughout the year, be sure to check out Verbier Climate.