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September Weather in Mauensee, Switzerland

Last updated: August 27, 2025

In Mauensee, Switzerland, the average temperature in September hovers around 15°C (59°F), with a minimum of 2°C (36°F) and a maximum peak of 28°C (82°F). Expect 91 mm (3.6 in) of precipitation spread over about 12 days, contributing to an average humidity of 83%. Prepare for a month of variable weather as you explore this vibrant locale!

September Temperature in Mauensee

In September in Mauensee, the average temperature is 15°C (59°F). Maximums can reach 28°C (82°F), and minimums can drop as low as 2°C (36°F). Pack accordingly for a comfortable trip, as temperatures can vary widely throughout the day.

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

The chart illustrates September temperature patterns in Mauensee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mauensee, September typically has an average temperature of 15°C (59°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843495565676659504036
Data source: Temperature data for Mauensee 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 Mauensee

In Mauensee in September, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

September Precipitation Trends in Mauensee

The chart displays monthly precipitation patterns in Mauensee, 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 Mauensee, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9985100731501421651589110972133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mauensee

In Mauensee in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

September Average Humidity in Mauensee

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

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

Maximum UV Index Levels in Mauensee for September

The chart shows the monthly maximum UV Index (UVI) for Mauensee 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 Mauensee typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Mauensee 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 Mauensee Compares to Other Months

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

This table compares monthly weather conditions in Mauensee, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)99 mm (3.9 inches)92%low
February Weather3°C (38°F)85 mm (3.3 inches)89%moderate
March Weather6°C (43°F)100 mm (4.0 inches)87%moderate
April Weather10°C (50°F)73 mm (2.9 inches)84%high
May Weather13°C (56°F)150 mm (5.9 inches)80%very high
June Weather18°C (65°F)142 mm (5.6 inches)82%very high
July Weather19°C (67°F)165 mm (6.5 inches)83%very high
August Weather19°C (66°F)158 mm (6.2 inches)80%very high
September Weather15°C (59°F)91 mm (3.6 inches)83%high
October Weather10°C (51°F)109 mm (4.3 inches)90%moderate
November Weather5°C (41°F)72 mm (2.8 inches)88%low
December Weather2°C (37°F)133 mm (5.2 inches)90%low

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