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September Weather in Worth an der Isar, Germany

Last updated: August 23, 2025

In Worth an der Isar, Germany, the average temperature in September hovers around 15°C (59°F). Expect a minimum of 2°C (37°F) and a maximum of 29°C (85°F) during this time. Prepare for some rain, as precipitation totals about 76 mm (3.0 in) over 11 days. With an average humidity of 85%, it's best to embrace the warmth with a light jacket and an umbrella at hand!

September Temperature in Worth an der Isar

In September in Worth an der Isar, the average temperature is 15°C (59°F). Maximum temperatures can reach up to 29°C (85°F), while the minimum can drop as low as 2°C (37°F). This variation in temperature makes it an ideal time for travelers to dress in layers and enjoy a wide range of outdoor activities.

September Weather in Worth an der Isar: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Worth an der Isar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Worth an der Isar, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec333742505666676759514136
Data source: Temperature data for Worth an der Isar 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 Worth an der Isar

In Worth an der Isar in September, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

September Precipitation Trends in Worth an der Isar

The chart displays monthly precipitation patterns in Worth an der Isar, 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 Worth an der Isar, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6565654612711610812676714995
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Worth an der Isar

In Worth an der Isar 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 Worth an der Isar

This chart illustrates the average monthly humidity levels in Worth an der Isar, 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 Worth an der Isar is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Worth an der Isar

In Worth an der Isar 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 Worth an der Isar, you can refer to this Hourly UV Index in Worth an der Isar.

Maximum UV Index Levels in Worth an der Isar for September

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

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

This table compares monthly weather conditions in Worth an der Isar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)65 mm (2.6 inches)91%low
February Weather3°C (37°F)65 mm (2.5 inches)89%moderate
March Weather5°C (42°F)65 mm (2.6 inches)88%moderate
April Weather10°C (50°F)46 mm (1.8 inches)84%high
May Weather14°C (57°F)127 mm (5.0 inches)77%very high
June Weather19°C (67°F)116 mm (4.6 inches)82%very high
July Weather20°C (67°F)108 mm (4.3 inches)83%very high
August Weather20°C (68°F)126 mm (5.0 inches)84%very high
September Weather15°C (59°F)76 mm (3.0 inches)85%high
October Weather10°C (51°F)71 mm (2.8 inches)88%moderate
November Weather5°C (41°F)49 mm (1.9 inches)88%low
December Weather2°C (36°F)95 mm (3.7 inches)91%low

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