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September Weather in Freienbach, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Freienbach, Switzerland hovers around 14°C (57°F). Visitors can expect a range that dips to a chilly 2°C (36°F) at night and peaks at a warm 27°C (80°F) during the day. With an average humidity level of 83%, the air can feel quite humid, while precipitation is common, averaging 123 mm (4.9 in) over about 14 days. Be prepared for a mix of weather!

September Temperature in Freienbach

In September in Freienbach, the average temperature is 14°C (57°F). Maximums can reach 27°C (80°F) and minimums can be as low as 2°C (36°F). This variation makes it a great time for travelers to experience comfortable weather while enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Freienbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Freienbach, September typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (80°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323640475362656457494035
Data source: Temperature data for Freienbach 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 Freienbach

In Freienbach in September, the total precipitation amount is 123 mm (4.9 in), which fell over the course of 14 days.

September Precipitation Trends in Freienbach

The chart displays monthly precipitation patterns in Freienbach, 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 Freienbach, September typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec127951128715918714515812412880155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Freienbach

In Freienbach in September, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

September Average Humidity in Freienbach

This chart illustrates the average monthly humidity levels in Freienbach, 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 Freienbach 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 Freienbach

In Freienbach 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 Freienbach, you can refer to this Hourly UV Index in Freienbach.

Maximum UV Index Levels in Freienbach for September

The chart shows the monthly maximum UV Index (UVI) for Freienbach 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 Freienbach typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810986432
Data source: Freienbach 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 Freienbach Compares to Other Months

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

This table compares monthly weather conditions in Freienbach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)127 mm (5.0 inches)92%low
February Weather2°C (36°F)95 mm (3.7 inches)89%moderate
March Weather4°C (40°F)112 mm (4.4 inches)87%moderate
April Weather8°C (47°F)87 mm (3.4 inches)84%high
May Weather12°C (53°F)159 mm (6.3 inches)80%very high
June Weather17°C (63°F)187 mm (7.4 inches)82%very high
July Weather18°C (65°F)145 mm (5.7 inches)83%very high
August Weather18°C (65°F)158 mm (6.2 inches)80%very high
September Weather14°C (57°F)123 mm (4.9 inches)83%high
October Weather10°C (50°F)128 mm (5.0 inches)90%moderate
November Weather4°C (40°F)80 mm (3.1 inches)88%moderate
December Weather2°C (35°F)155 mm (6.1 inches)90%low

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