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September Weather in Kirn, Germany

Last updated: August 23, 2025

In Kirn, Germany, the average temperature in September hovers around 15°C (58°F). During this time, you can expect a minimum of 3°C (37°F) and a maximum reaching up to 30°C (87°F). With 48 mm (1.9 in) of precipitation spread across 7 days, don't forget your umbrella! Additionally, maintain your comfort with an average humidity of 83%.

September Temperature in Kirn

In September in Kirn, the average temperature is 15°C (58°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as 3°C (37°F). This makes Kirn an ideal destination for travelers looking to enjoy mild weather with occasional warm days.

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

The chart illustrates September temperature patterns in Kirn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kirn, September typically has an average temperature of 15°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353842495564666658514138
Data source: Temperature data for Kirn 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 Kirn

In Kirn in September, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

September Precipitation Trends in Kirn

The chart displays monthly precipitation patterns in Kirn, 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 Kirn, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec596170367074615648555396
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kirn

In Kirn in September, humidity is 83%. With an average temperature of 15°C (58°F), this humidity feels like a warm blanket enveloping you, making outdoor activities sticky and uncomfortable for traveling.

September Average Humidity in Kirn

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

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

Maximum UV Index Levels in Kirn for September

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

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

This table compares monthly weather conditions in Kirn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)59 mm (2.3 inches)91%low
February Weather3°C (38°F)61 mm (2.4 inches)90%moderate
March Weather6°C (42°F)70 mm (2.8 inches)88%moderate
April Weather9°C (49°F)36 mm (1.4 inches)84%high
May Weather13°C (55°F)70 mm (2.8 inches)81%very high
June Weather18°C (64°F)74 mm (2.9 inches)82%very high
July Weather19°C (66°F)60 mm (2.4 inches)82%very high
August Weather19°C (66°F)56 mm (2.2 inches)80%high
September Weather15°C (58°F)48 mm (1.9 inches)83%high
October Weather10°C (51°F)55 mm (2.2 inches)89%moderate
November Weather5°C (41°F)53 mm (2.1 inches)91%low
December Weather3°C (38°F)96 mm (3.8 inches)93%low

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