September Weather in Veytaux, Switzerland

Last updated: August 27, 2025

In Veytaux, Switzerland, September offers a delightful mix of mild temperatures and refreshing humidity. The maximum temperature can reach a pleasant 26°C (78°F), while the average settles around 13°C (56°F), dipping to a cool minimum of 1°C (34°F). September is also characterized by 100 mm (3.9 in) of precipitation over 13 rainy days, contributing to the region's lush landscapes. With an average humidity level of 81%, visitors can expect a refreshing, crisp atmosphere ideal for enjoying the charming surroundings.

September Temperature in Veytaux

In September, Veytaux experiences a delightful transition into autumn, marked by temperatures that range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 26°C (78°F). With an average temperature of 13°C (56°F), the month strikes a perfect balance between the lingering warmth of summer and the crispness of the upcoming fall. As daylight begins to wane, the pleasant daytime highs invite both locals and visitors to explore the stunning Swiss landscapes. This month serves as a gentle reminder of nature's shifting patterns, where cooler mornings and mild afternoons create an enchanting atmosphere for outdoor activities and scenic views, before the colder months set in.

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

The chart illustrates September temperature patterns in Veytaux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Veytaux, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293438445160636256483931
Data source: Temperature data for Veytaux 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 Veytaux

In September, Veytaux experiences a notable shift in its weather patterns, receiving 100 mm (3.9 in) of precipitation over approximately 13 days. This marks a decrease from the wetter summer months, as precipitation levels dip significantly from August's 152 mm (6.0 in). The early autumn showers contribute to a refreshing ambiance, while maintaining a balance with relatively fewer rain days compared to the preceding months. As the landscape transitions into fall, the rainfall serves to nourish the vibrant foliage, making September a delightful time to explore the area's natural beauty. This trend of decreasing precipitation continues into October, hinting at the seasonal changes ahead.

September Precipitation Trends in Veytaux

The chart displays monthly precipitation patterns in Veytaux, 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 Veytaux, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13210613576182159165152100120106208
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Veytaux

As summer fades into autumn in Veytaux, Switzerland, September experiences a slight uptick in humidity, settling at 81%. This marks a subtle transition from the drier months of July and August, which boast lower levels at 82% and 77%, respectively. Despite this increase, September’s humidity remains lower than the winter months, where levels surge back to 89% and 91% in October and December. Overall, September acts as a bridge, softening the summer's warmth while hinting at the approaching chill of fall, creating a refreshing balance in the region's climate.

September Average Humidity in Veytaux

This chart illustrates the average monthly humidity levels in Veytaux, 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 Veytaux is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Veytaux

As summer transitions to autumn in Veytaux, Switzerland, the September UV Index reflects a significant shift in sun exposure. With a UV Index of 7 and a classification of high, this month sees a decrease from the very high levels of previous summer months, yet it still demands careful sun protection, particularly with a burn time of just 25 minutes. The trend illustrates how, while the sun's intensity lessens compared to the peak of July and August, it remains potent enough to warrant attention. As you enjoy the crisp September air and the beautiful fall colors, remember to check the UV Index regularly for safe sun exposure. For more details on sun safety in this picturesque region throughout the year, explore the Veytaux UV Index.

Maximum UV Index Levels in Veytaux for September

The chart shows the monthly maximum UV Index (UVI) for Veytaux 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 Veytaux typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: Veytaux 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 Veytaux

As summer wanes and autumn gently approaches, September in Veytaux showcases a delightful blend of warmth and sunshine, boasting an impressive 330 hours of sunlight. This month, while slightly less radiant than the peak of summer in July with 418 hours, still offers a vibrant tapestry of sunny days perfect for exploring the picturesque landscapes. Following the high of August, which enjoyed 388 hours, September marks a gradual transition toward the softer, golden hues of fall. As daylight begins to recede with October bringing only 288 hours, September stands as a beautiful farewell to summer's brilliance, inviting both locals and visitors to bask in the lingering warmth before the chill sets in.

Monthly Sunshine Duration in Veytaux: September Highlighted

The September sunshine duration represents the total number of hours Veytaux 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h231h297h354h355h394h418h388h330h288h229h197h
Data source: Veytaux September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Veytaux During September

In September, Veytaux, Switzerland, enjoys a notable chance of sunny weather, with approximately 37% likelihood of sunshine. This figure aligns closely with the sunniness experienced in the preceding months of July and August, reinforcing a consistent trend of moderate sunshine during the late summer transition into autumn. Interestingly, as the year progresses towards October, the chance of sunny days increases slightly to 43%, hinting at a pleasant start to the fall season. Overall, while September may not boast the highest sun probability, its sunny days contribute to the beautiful landscapes that Veytaux is known for, making it a delightful time to visit.

Percentage of Sunny Days in September in Veytaux

The chart illustrates the percentage of sunny days in Veytaux 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 Veytaux experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%46%48%30%33%36%37%37%43%34%36%
Data source: Veytaux September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Veytaux in September

In Veytaux, Switzerland, September marks a gentle transition from the long, sun-soaked days of summer to the shorter daylight hours of autumn. As summer gracefully bows out, daylight in September averages about 12 hours, a slight decline from the 14 hours enjoyed in August. This gradual reduction reflects a broader trend: following the peak of 15 hours of daylight in June and July, the days progressively shorten, leading into the cooler months. This rhythmic ebb and flow of daylight not only signals the changing seasons but also invites locals and visitors alike to savor the rich hues of early autumn amidst diminishing sunlight.

Average Daylight Hours in Veytaux for September

The chart illustrates the variation in daylight duration in Veytaux 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 23m8h 37m
Data source: Veytaux daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Veytaux

As autumn approaches in Veytaux, Switzerland, the September wind whispers a gentle lull, averaging just 1.2 m/s (3 mph). This marks a subtle decline from the summer’s breezy embrace, where winds hovered around 1.4 to 1.5 m/s. Notably, September's calmness contrasts with the more consistent breezes of earlier months, reflecting a natural shift as the lush landscapes prepare for the cooler embrace of October. Looking ahead, the wind picks up slightly to 1.6 m/s (4 mph), hinting at a return of vigor as the seasons change, yet September remains a serene period, inviting moments of reflection amidst the tranquil backdrop of autumn’s arrival.

Average September Wind Speed in Veytaux

The chart displays monthly wind speed patterns in Veytaux, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.61.71.61.31.41.51.2 m/s1.61.51.7
Data source: Veytaux September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Veytaux Compares to Other Months

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

September and January exhibit stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (34°F) to a comfortable 26°C (78°F), with an average of 13°C (56°F). This month experiences a moderate level of rainfall, totaling around 100 mm (3.9 in) over 13 days, accompanied by a humidity level of 81%. In contrast, January sees much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 10°C (51°F), averaging at -2°C (29°F). The precipitation is slightly higher at 132 mm (5.2 in) over 11 days, and humidity rises to 91%. For more details on January weather in Veytaux, you can visit Veytaux weather in January.

September and February present distinct weather patterns, highlighting the transition between late summer and winter. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F) and humidity at 81%. This month experiences approximately 100 mm (3.9 in) of precipitation over 13 days, making it relatively wet as summer wanes. In contrast, February is much colder, with temperatures dipping to a minimum of -15°C (4°F) and only reaching a maximum of 15°C (59°F), averaging just 1°C (34°F). The month sees slightly more precipitation at 106 mm (4.2 in) over 11 days, accompanied by higher humidity levels at 89%. For a detailed look at February weather in Veytaux, you can visit Veytaux weather in February.

In comparing the weather of September and March, September generally offers milder temperatures, with averages around 13°C (56°F) and highs reaching up to 26°C (78°F), while March struggles with colder conditions, averaging only 3°C (38°F) and featuring lows that can drop as low as -16°C (4°F). September sees around 100 mm (3.9 in) of precipitation over 13 days, whereas March experiences slightly higher precipitation at 135 mm (5.3 in) across 15 days, contributing to increased humidity levels of 87%. Overall, September's warmth and lower precipitation make it feel more welcoming compared to the cold, damp conditions typical of March. For detailed insights about March weather patterns, visit Veytaux weather in March.

When comparing the weather in September and April, significant differences in temperature and conditions are evident. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F), making it a generally warmer month. Conversely, April experiences colder temperatures with a minimum of -12°C (10°F) and a maximum of 22°C (72°F), averaging 7°C (45°F). While September sees more precipitation at 100 mm (3.9 in) over 13 days, April has 76 mm (3.0 in) over 12 days, reflecting slightly drier conditions. Humidity levels are quite similar, with September at 81% and April slightly higher at 84%. For more detailed information about April weather, you can visit Veytaux weather in April.

Comparing the weather in September and May reveals distinct seasonal characteristics. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F) and humidity levels around 81%. In contrast, May experiences slightly cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 27°C (81°F), averaging 11°C (51°F). Moreover, May tends to be wetter, receiving 182 mm (7.2 in) of precipitation over 19 days compared to September's 100 mm (3.9 in) over 13 days. For more detailed information, you can check Veytaux weather in May.

In comparing the weather between September and June, we can see distinct differences in temperature and precipitation. September experiences a wider temperature range, with a minimum of 1°C (34°F) and a maximum of 26°C (78°F), while June offers milder temperatures, ranging from a minimum of 4°C (39°F) to a maximum of 32°C (89°F). Precipitation is higher in June, totaling 159 mm (6.3 in) over 18 days compared to September's 100 mm (3.9 in) over 13 days. Both months have similar humidity levels, with September at 81% and June slightly higher at 82%. For more detailed information, you can check out Veytaux weather in June.

When comparing the weather in September and July, it's clear that July showcases warmer temperatures with an average of 17°C (63°F) and a maximum of 32°C (90°F), making it significantly hotter than September's average of 13°C (56°F) and a maximum of 26°C (78°F). Additionally, July experiences higher precipitation levels, recording 165 mm (6.5 in) over 16 days, compared to September's 100 mm (3.9 in) over 13 days. Both months have similar humidity levels, hovering around 81-82%, but the warmth of July is more pronounced. For a detailed overview, check out Veytaux weather in July.

In comparing the weather of September and August, we see distinct differences in temperature and precipitation. September generally experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), while August boasts milder conditions, starting at a minimum of 6°C (43°F) and averaging 17°C (62°F). The maximum temperatures also vary, with September peaking at 26°C (78°F) compared to August’s high of 30°C (86°F). Moreover, September sees an increase in humidity at 81%, contrasting with August's lower humidity of 77%. Precipitation is quite pronounced in both months, but September receives slightly less rainfall at 100 mm (3.9 in) over 13 days, compared to August's 152 mm (6.0 in) over 15 days. For more details on August weather, visit Veytaux weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 26°C (78°F), with an average of 13°C (56°F). The month experiences 100 mm (3.9 in) of precipitation over 13 days and a humidity level of 81%. In contrast, October sees a dip in temperatures, with a minimum of 0°C (32°F), an average of 9°C (48°F), and a maximum of 22°C (72°F). Rainfall increases slightly, reaching 120 mm (4.7 in) over the same number of days, while humidity rises to 89%. For more detailed information, you can check out Veytaux weather in October.

September and November present a stark contrast in weather patterns. In September, temperatures range from a chilly 1°C (34°F) at night to a pleasant high of 26°C (78°F) during the day, with an average temperature of 13°C (56°F). The month sees about 100 mm (3.9 in) of precipitation over 13 days and a humidity level of 81%. Conversely, November brings much colder temperatures, with nighttime lows plummeting to -8°C (17°F) and daytime highs reaching only 18°C (64°F), averaging at just 4°C (39°F). Precipitation remains slightly higher at 106 mm (4.2 in) over the same number of days, while humidity increases to 89%. For more specific details about conditions in November, you can check Veytaux weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a pleasant maximum of 26°C (78°F), with an average of 13°C (56°F). The month experiences around 100 mm (3.9 in) of precipitation across 13 days, accompanied by a relatively moderate humidity level of 81%. In contrast, December plunges into winter, with temperatures dropping to a minimum of -16°C (3°F) and an average of 0°C (32°F), peaking at just 11°C (52°F). This month sees significantly higher precipitation at 208 mm (8.2 in) over 18 days, along with increased humidity at 91%. For more details on the December climate, you can check Veytaux weather in December.

Compare Veytaux's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Veytaux

As September unfolds in Veytaux, the weather presents a unique blend of autumn's approach and lingering warmth. With a maximum temperature that still reaches a pleasant 26°C (78°F), the month offers a comfortable climate for outdoor activities, a refreshing contrast to the cooler winter months. However, it also marks a shift towards increased precipitation, averaging 100 mm over approximately 13 days, which adds a touch of unpredictability. Humidity levels are relatively high at 81%, contributing to a cozy feel in the air. Overall, September serves as a gentle transition, inviting visitors to enjoy the stunning landscapes while preparing for the crispness of fall. For more insights into the seasonal variations, visit Veytaux Climate.