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September Weather in Ermatingen, Switzerland

Last updated: August 27, 2025

In September, the average temperature in Ermatingen, Switzerland hovers around 15°C (60°F). Expect a cool minimum of 3°C (38°F) and a warm maximum reaching 28°C (83°F). With an average humidity of 83%, prepare for a precipitation amount of 82 mm (3.2 in) spread over 11 days throughout the month.

September Temperature in Ermatingen

In September in Ermatingen, the average temperature is 15°C (60°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 3°C (38°F). This weather offers a comfortable climate for traveling, making it an ideal time to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Ermatingen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ermatingen, September typically has an average temperature of 15°C (60°F), with highs reaching up to 28°C (83°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec343842505666686760514137
Data source: Temperature data for Ermatingen 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 Ermatingen

In Ermatingen in September, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.

September Precipitation Trends in Ermatingen

The chart displays monthly precipitation patterns in Ermatingen, 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 Ermatingen, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8568785811512695127829057109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ermatingen

In Ermatingen in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.

September Average Humidity in Ermatingen

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

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

Maximum UV Index Levels in Ermatingen for September

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

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

This table compares monthly weather conditions in Ermatingen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)85 mm (3.4 inches)92%low
February Weather3°C (38°F)68 mm (2.7 inches)89%moderate
March Weather6°C (42°F)78 mm (3.1 inches)87%moderate
April Weather10°C (50°F)58 mm (2.3 inches)84%high
May Weather13°C (57°F)115 mm (4.5 inches)80%very high
June Weather19°C (66°F)126 mm (5.0 inches)82%very high
July Weather20°C (68°F)95 mm (3.7 inches)83%very high
August Weather20°C (68°F)127 mm (5.0 inches)80%very high
September Weather15°C (60°F)82 mm (3.2 inches)83%high
October Weather11°C (51°F)90 mm (3.5 inches)90%moderate
November Weather5°C (41°F)57 mm (2.2 inches)88%low
December Weather3°C (37°F)109 mm (4.3 inches)90%low

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