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September Weather in Cevio, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Cevio, Switzerland hovers around 12°C (53°F). Be prepared for a range of conditions, as temperatures can dip to a chilly -1°C (30°F) or rise to a warm 22°C (72°F). Expect around 151 mm (5.9 in) of precipitation over 17 days, contributing to an average humidity of 83%. Plan accordingly to enjoy your stay!

September Temperature in Cevio

In September in Cevio, the average temperature is 12°C (53°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -1°C (30°F). This weather makes it a perfect time for travelers to enjoy outdoor activities while still being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Cevio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cevio, September typically has an average temperature of 12°C (53°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec253034414857605953453427
Data source: Temperature data for Cevio 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 Cevio

In Cevio in September, the precipitation amount is 151 mm (5.9 in) over a span of 17 days.

September Precipitation Trends in Cevio

The chart displays monthly precipitation patterns in Cevio, 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 Cevio, September typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec8762117146188197145192151272182131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cevio

In Cevio in September humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

September Average Humidity in Cevio

This chart illustrates the average monthly humidity levels in Cevio, 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 Cevio is approximately 83%, 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 Cevio

In Cevio 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 Cevio.

Maximum UV Index Levels in Cevio for September

The chart shows the monthly maximum UV Index (UVI) for Cevio 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 Cevio typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Cevio 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 Cevio Compares to Other Months

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

This table compares monthly weather conditions in Cevio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)87 mm (3.4 inches)92%moderate
February Weather-1°C (31°F)62 mm (2.4 inches)89%moderate
March Weather1°C (34°F)117 mm (4.6 inches)87%high
April Weather5°C (41°F)146 mm (5.8 inches)84%very high
May Weather9°C (48°F)187 mm (7.4 inches)80%very high
June Weather14°C (58°F)197 mm (7.7 inches)82%extreme
July Weather16°C (60°F)144 mm (5.7 inches)83%very high
August Weather15°C (60°F)192 mm (7.6 inches)80%very high
September Weather12°C (53°F)151 mm (5.9 inches)83%high
October Weather7°C (45°F)272 mm (10.7 inches)90%high
November Weather1°C (35°F)182 mm (7.2 inches)88%moderate
December Weather-3°C (27°F)131 mm (5.1 inches)90%low

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