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September Weather in Merzkirchen, Germany

Last updated: August 23, 2025

In September, the average temperature in Merzkirchen, Germany is a pleasant 15°C (59°F). You might experience a minimum of 3°C (38°F) and a balmy maximum of 31°C (89°F). Expect about 70 mm (2.7 in) of precipitation spread over 9 days, with an average humidity of around 83%, making for a refreshing, albeit slightly damp atmosphere.

September Temperature in Merzkirchen

In September in Merzkirchen, the average temperature is 15°C (59°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 3°C (38°F). Pack for warm days and cool nights, and enjoy the diverse climate this month!

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

The chart illustrates September temperature patterns in Merzkirchen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merzkirchen, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943495665666659514239
Data source: Temperature data for Merzkirchen 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 Merzkirchen

In Merzkirchen in September, the precipitation amount is 70 mm (2.7 in) over the course of 9 days.

September Precipitation Trends in Merzkirchen

The chart displays monthly precipitation patterns in Merzkirchen, 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 Merzkirchen, September typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8286944483797262708377142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Merzkirchen

In Merzkirchen 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 Merzkirchen

This chart illustrates the average monthly humidity levels in Merzkirchen, 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 Merzkirchen is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Merzkirchen

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

Maximum UV Index Levels in Merzkirchen for September

The chart shows the monthly maximum UV Index (UVI) for Merzkirchen 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 Merzkirchen typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Merzkirchen 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 Merzkirchen Compares to Other Months

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

This table compares monthly weather conditions in Merzkirchen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)82 mm (3.2 inches)91%low
February Weather4°C (39°F)86 mm (3.4 inches)90%moderate
March Weather6°C (43°F)93 mm (3.7 inches)88%moderate
April Weather10°C (50°F)44 mm (1.7 inches)84%high
May Weather13°C (56°F)83 mm (3.3 inches)81%very high
June Weather18°C (65°F)79 mm (3.1 inches)82%very high
July Weather19°C (67°F)72 mm (2.8 inches)82%very high
August Weather19°C (66°F)62 mm (2.4 inches)80%high
September Weather15°C (59°F)70 mm (2.7 inches)83%high
October Weather11°C (52°F)83 mm (3.3 inches)89%moderate
November Weather6°C (42°F)77 mm (3.0 inches)91%low
December Weather4°C (39°F)142 mm (5.6 inches)93%low

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