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September Weather in Neunkirchen, Germany

Last updated: August 23, 2025

In September, the average temperature in Neunkirchen, Germany hovers around 15°C (59°F), providing a pleasant climate. Temperatures can swing from a chilly 2°C (36°F) at night to a warm 30°C (85°F) during the day. Expect 53 mm (2.1 in) of precipitation spread over 9 days, with an average humidity of 85%, ensuring a refreshing atmosphere.

September Temperature in Neunkirchen

In September in Neunkirchen, the average temperature is 15°C (59°F), with maximums reaching 30°C (85°F) and minimums dropping as low as 2°C (36°F). This diverse temperature range makes Neunkirchen an ideal destination for travelers looking to enjoy both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Neunkirchen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Neunkirchen, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (85°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec343742495665666759514137
Data source: Temperature data for Neunkirchen 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 Neunkirchen

In Neunkirchen in September, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

September Precipitation Trends in Neunkirchen

The chart displays monthly precipitation patterns in Neunkirchen, 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 Neunkirchen, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6864844297917975536550111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Neunkirchen

In Neunkirchen in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Neunkirchen

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

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

Maximum UV Index Levels in Neunkirchen for September

The chart shows the monthly maximum UV Index (UVI) for Neunkirchen 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 Neunkirchen typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Neunkirchen 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 Neunkirchen Compares to Other Months

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

This table compares monthly weather conditions in Neunkirchen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)68 mm (2.7 inches)91%low
February Weather3°C (38°F)64 mm (2.5 inches)89%moderate
March Weather6°C (42°F)84 mm (3.3 inches)87%moderate
April Weather10°C (49°F)41 mm (1.6 inches)83%high
May Weather13°C (56°F)97 mm (3.8 inches)79%very high
June Weather18°C (65°F)91 mm (3.6 inches)82%very high
July Weather19°C (67°F)78 mm (3.1 inches)83%very high
August Weather19°C (67°F)74 mm (2.9 inches)84%high
September Weather15°C (59°F)53 mm (2.1 inches)85%high
October Weather11°C (51°F)65 mm (2.6 inches)88%moderate
November Weather5°C (42°F)50 mm (2.0 inches)89%low
December Weather3°C (38°F)111 mm (4.4 inches)91%low

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