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September Weather in Aichhalden, Germany

Last updated: August 23, 2025

In September, the average temperature in Aichhalden, Germany is a refreshing 13°C (56°F). Expect a minimum of 0°C (32°F) and a maximum of 28°C (82°F), perfect for a variety of activities. With 74 mm (2.9 in) of precipitation spread over 12 days, be ready for some rainy moments. Don't forget to note the average humidity of 85%, adding to the overall climate experience!

September Temperature in Aichhalden

In September in Aichhalden, the average temperature is 13°C (56°F). Maximum temperatures can reach 28°C (82°F), while minimums can dip as low as 0°C (32°F). This range makes Aichhalden an ideal destination for travelers looking to enjoy mild weather with a chance for both warm and cool experiences.

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

The chart illustrates September temperature patterns in Aichhalden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aichhalden, September typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313539475362646456493935
Data source: Temperature data for Aichhalden 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 Aichhalden

In Aichhalden in September, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

September Precipitation Trends in Aichhalden

The chart displays monthly precipitation patterns in Aichhalden, 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 Aichhalden, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1059310167130139114121749269131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aichhalden

In Aichhalden in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

September Average Humidity in Aichhalden

This chart illustrates the average monthly humidity levels in Aichhalden, 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 Aichhalden is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aichhalden

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

Maximum UV Index Levels in Aichhalden for September

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

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

This table compares monthly weather conditions in Aichhalden, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)104 mm (4.1 inches)91%low
February Weather2°C (35°F)93 mm (3.6 inches)89%moderate
March Weather4°C (40°F)101 mm (4.0 inches)87%moderate
April Weather8°C (47°F)67 mm (2.6 inches)83%high
May Weather12°C (53°F)130 mm (5.1 inches)79%very high
June Weather17°C (62°F)139 mm (5.5 inches)82%very high
July Weather18°C (64°F)114 mm (4.5 inches)83%very high
August Weather18°C (64°F)121 mm (4.8 inches)84%very high
September Weather13°C (56°F)74 mm (2.9 inches)85%high
October Weather9°C (49°F)92 mm (3.6 inches)88%moderate
November Weather4°C (39°F)69 mm (2.7 inches)89%low
December Weather2°C (35°F)131 mm (5.2 inches)91%low

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