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September Weather in Cornol, Switzerland

Last updated: August 27, 2025

In Cornol, Switzerland, the average temperature in September hovers around 16°C (60°F). However, temperatures can vary widely, dipping to a chilly 2°C (36°F) and soaring up to a warm 30°C (87°F). You can also expect about 67 mm (2.7 in) of precipitation spread over 10 days, contributing to a notably high average humidity of 81%.

September Temperature in Cornol

In September in Cornol, the average temperature is 16°C (60°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 2°C (36°F). This range indicates that travelers should prepare for both warm and cool conditions while enjoying their visit.

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

The chart illustrates September temperature patterns in Cornol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornol, September typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343943505665686760514137
Data source: Temperature data for Cornol 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 Cornol

In Cornol in September, the precipitation amount is 67 mm (2.7 in) over a span of 10 days.

September Precipitation Trends in Cornol

The chart displays monthly precipitation patterns in Cornol, 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 Cornol, September typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec95809160135122117116679480133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cornol

In Cornol in September, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

September Average Humidity in Cornol

This chart illustrates the average monthly humidity levels in Cornol, 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 Cornol is approximately 81%, 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 Cornol

In Cornol in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Cornol, you can refer to this Hourly UV Index in Cornol.

Maximum UV Index Levels in Cornol for September

The chart shows the monthly maximum UV Index (UVI) for Cornol 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 Cornol typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Cornol 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 Cornol Compares to Other Months

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

This table compares monthly weather conditions in Cornol, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)95 mm (3.7 inches)91%low
February Weather4°C (39°F)80 mm (3.2 inches)89%moderate
March Weather6°C (43°F)91 mm (3.6 inches)87%moderate
April Weather10°C (50°F)60 mm (2.3 inches)84%high
May Weather13°C (56°F)135 mm (5.3 inches)80%very high
June Weather18°C (65°F)122 mm (4.8 inches)82%very high
July Weather20°C (68°F)117 mm (4.6 inches)82%very high
August Weather20°C (67°F)116 mm (4.6 inches)77%very high
September Weather16°C (60°F)67 mm (2.7 inches)81%high
October Weather11°C (51°F)94 mm (3.7 inches)89%moderate
November Weather5°C (41°F)80 mm (3.1 inches)89%low
December Weather3°C (38°F)133 mm (5.2 inches)91%low

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