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September Weather in Hilden, Germany

Last updated: August 23, 2025

In September, the average temperature in Hilden, Germany hovers around 15°C (59°F). However, expect temperature fluctuations, with the minimum dipping to 3°C (37°F) and the maximum soaring up to 32°C (90°F). During this month, precipitation averages 75 mm (2.9 in) over 11 days, while the average humidity remains relatively high at 81%.

September Temperature in Hilden

In September in Hilden, the average temperature is 15°C (59°F). Maximums can reach 32°C (90°F) and minimums can be as low as 3°C (37°F). It’s advisable to pack layers and be prepared for both warm and cool weather during your travels.

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

The chart illustrates September temperature patterns in Hilden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hilden, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec384044505765666659534440
Data source: Temperature data for Hilden 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 Hilden

In Hilden in September, the precipitation amount is 75 mm (2.9 in) over the course of 11 days.

September Precipitation Trends in Hilden

The chart displays monthly precipitation patterns in Hilden, 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 Hilden, September typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec929695447975111847511570131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hilden

In Hilden in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Hilden

This chart illustrates the average monthly humidity levels in Hilden, 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 Hilden is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hilden

In Hilden in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hilden.

Maximum UV Index Levels in Hilden for September

The chart shows the monthly maximum UV Index (UVI) for Hilden 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 Hilden typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Hilden 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 Hilden Compares to Other Months

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

This table compares monthly weather conditions in Hilden, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)92 mm (3.6 inches)91%low
February Weather4°C (40°F)96 mm (3.8 inches)90%low
March Weather7°C (44°F)95 mm (3.8 inches)87%moderate
April Weather10°C (50°F)44 mm (1.7 inches)84%moderate
May Weather14°C (57°F)79 mm (3.1 inches)77%high
June Weather19°C (66°F)75 mm (3.0 inches)74%very high
July Weather19°C (66°F)110 mm (4.4 inches)72%very high
August Weather19°C (67°F)84 mm (3.3 inches)71%high
September Weather15°C (59°F)75 mm (2.9 inches)81%moderate
October Weather12°C (53°F)115 mm (4.5 inches)88%moderate
November Weather7°C (44°F)70 mm (2.8 inches)91%low
December Weather5°C (41°F)131 mm (5.2 inches)92%low

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