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September Weather in Salvan, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Salvan, Switzerland is a crisp 9°C (48°F), with a range that can dip as low as -9°C (16°F) and peak at a pleasant 21°C (70°F). Expect about 91 mm (3.6 in) of precipitation spread over 14 days, contributing to an average humidity of 73%, creating a unique atmosphere for this time of year.

September Temperature in Salvan

In September in Salvan, the average temperature is 9°C (48°F). Maximum temperatures can reach 21°C (70°F), while the minimum can drop as low as -9°C (16°F). Be prepared for a range of weather conditions if you're planning to travel during this time.

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

The chart illustrates September temperature patterns in Salvan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salvan, September typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (70°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec162327344252555448392820
Data source: Temperature data for Salvan 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 Salvan

In Salvan in September, the precipitation amount is 91 mm (3.6 in) over a span of 14 days.

September Precipitation Trends in Salvan

The chart displays monthly precipitation patterns in Salvan, 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 Salvan, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1461121397517813814713791122105235
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Salvan

In Salvan in September, humidity is 73%. With an average temperature of 9°C (48°F), this humidity feels like a chilly dampness that settles into your bones, making outdoor exploration feel invigorating yet a bit uncomfortable, urging travelers to bundle up while still enjoying the fresh air and vibrant scenery.

September Average Humidity in Salvan

This chart illustrates the average monthly humidity levels in Salvan, 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 Salvan is approximately 73%, 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 Salvan

In Salvan in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Salvan.

Maximum UV Index Levels in Salvan for September

The chart shows the monthly maximum UV Index (UVI) for Salvan 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 Salvan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101097532
Data source: Salvan 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.

How September Weather in Salvan Compares to Other Months

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

This table compares monthly weather conditions in Salvan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)146 mm (5.8 inches)91%moderate
February Weather-5°C (23°F)112 mm (4.4 inches)87%moderate
March Weather-3°C (28°F)139 mm (5.5 inches)84%high
April Weather1°C (35°F)75 mm (2.9 inches)83%very high
May Weather5°C (42°F)178 mm (7.0 inches)78%very high
June Weather11°C (52°F)138 mm (5.4 inches)75%very high
July Weather13°C (55°F)147 mm (5.8 inches)72%very high
August Weather12°C (55°F)137 mm (5.4 inches)63%very high
September Weather9°C (48°F)91 mm (3.6 inches)73%high
October Weather4°C (40°F)122 mm (4.8 inches)89%moderate
November Weather-2°C (28°F)105 mm (4.1 inches)90%moderate
December Weather-7°C (20°F)235 mm (9.3 inches)90%low

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