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September Weather in Untersiemau, Germany

Last updated: August 23, 2025

In September, the average temperature in Untersiemau, Germany is a comfortable 14°C (58°F). Visitors can expect a diverse climate, with minimum temperatures dropping to 1°C (35°F) and highs reaching up to 30°C (86°F). Expect some rain, as 52 mm (2.0 in) of precipitation falls over about 9 days, contributing to an average humidity level of 83%.

September Temperature in Untersiemau

In September in Untersiemau, the average temperature is 14°C (58°F). Maximums can reach 30°C (86°F), while minimums can drop as low as 1°C (35°F). This makes Untersiemau an ideal destination for travelers seeking a mild climate with the opportunity for both warm and cooler experiences.

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

The chart illustrates September temperature patterns in Untersiemau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Untersiemau, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333540485565666658504036
Data source: Temperature data for Untersiemau 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 Untersiemau

In Untersiemau in September, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

September Precipitation Trends in Untersiemau

The chart displays monthly precipitation patterns in Untersiemau, 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 Untersiemau, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec726075369178767152644896
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Untersiemau

In Untersiemau in September, humidity is 83%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket enveloping you, making exploration feel heavier and sweatier, so be prepared for a slower pace while traveling.

September Average Humidity in Untersiemau

This chart illustrates the average monthly humidity levels in Untersiemau, 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 Untersiemau is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Untersiemau

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

Maximum UV Index Levels in Untersiemau for September

The chart shows the monthly maximum UV Index (UVI) for Untersiemau 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 Untersiemau typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224588876421
Data source: Untersiemau 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 Untersiemau Compares to Other Months

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

This table compares monthly weather conditions in Untersiemau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)72 mm (2.8 inches)91%low
February Weather2°C (36°F)60 mm (2.4 inches)90%low
March Weather4°C (40°F)75 mm (2.9 inches)88%moderate
April Weather9°C (48°F)36 mm (1.4 inches)83%moderate
May Weather13°C (55°F)91 mm (3.6 inches)75%very high
June Weather18°C (65°F)78 mm (3.1 inches)79%very high
July Weather19°C (66°F)76 mm (3.0 inches)79%very high
August Weather19°C (66°F)71 mm (2.8 inches)79%high
September Weather14°C (58°F)52 mm (2.0 inches)83%high
October Weather10°C (50°F)64 mm (2.5 inches)87%moderate
November Weather5°C (41°F)48 mm (1.9 inches)90%low
December Weather2°C (36°F)96 mm (3.8 inches)92%low

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