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September Weather in Haar, Germany

Last updated: August 23, 2025

In Haar, Germany, the average temperature in September is a comfortable 14°C (58°F), with minimums dipping to 2°C (35°F) and maximums soaring to 28°C (83°F). Expect about 99 mm (3.9 in) of precipitation spread across 12 days, contributing to an average humidity of 83%.

September Temperature in Haar

In September in Haar, the average temperature is 14°C (58°F). Maximums can reach 28°C (83°F) while minimums can drop to as low as 2°C (35°F). This makes it an ideal time for travelers who appreciate mild weather and are prepared for varying temperatures.

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

The chart illustrates September temperature patterns in Haar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haar, September typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333741495565666658504036
Data source: Temperature data for Haar 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 Haar

In Haar in September, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.

September Precipitation Trends in Haar

The chart displays monthly precipitation patterns in Haar, 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 Haar, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7775725614012914014699885796
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Haar

In Haar 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 Haar

This chart illustrates the average monthly humidity levels in Haar, 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 Haar is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haar

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

Maximum UV Index Levels in Haar for September

The chart shows the monthly maximum UV Index (UVI) for Haar 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 Haar typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Haar 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 Haar Compares to Other Months

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

This table compares monthly weather conditions in Haar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)93%low
February Weather3°C (37°F)75 mm (2.9 inches)89%moderate
March Weather5°C (42°F)72 mm (2.8 inches)86%moderate
April Weather9°C (49°F)56 mm (2.2 inches)83%high
May Weather13°C (56°F)140 mm (5.5 inches)78%very high
June Weather18°C (65°F)129 mm (5.1 inches)79%very high
July Weather19°C (66°F)140 mm (5.5 inches)82%very high
August Weather19°C (66°F)146 mm (5.8 inches)80%very high
September Weather14°C (58°F)99 mm (3.9 inches)83%high
October Weather10°C (51°F)88 mm (3.5 inches)90%moderate
November Weather5°C (40°F)57 mm (2.3 inches)89%low
December Weather2°C (36°F)96 mm (3.8 inches)90%low

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