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September Weather in Irlbach, Germany

Last updated: August 23, 2025

In September, the average temperature in Irlbach, Germany hovers around 15°C (60°F). Be prepared for a range, as the mercury can dip to a cool 2°C (35°F) or soar to a warm 31°C (87°F). Rain lovers will find solace in the 52 mm (2.1 in) of precipitation, spread over 9 days. With an average humidity of 82%, expect a pleasantly moist atmosphere!

September Temperature in Irlbach

In September in Irlbach, the average temperature is 15°C (60°F), with maximums reaching 31°C (87°F) and minimums dropping as low as 2°C (35°F). It's advisable to pack layers to accommodate the wide temperature range while exploring the region.

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

The chart illustrates September temperature patterns in Irlbach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irlbach, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (87°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333742505768686960514136
Data source: Temperature data for Irlbach 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 Irlbach

In Irlbach in September, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.

September Precipitation Trends in Irlbach

The chart displays monthly precipitation patterns in Irlbach, 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 Irlbach, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec635864369170678752644896
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Irlbach

In Irlbach in September humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

September Average Humidity in Irlbach

This chart illustrates the average monthly humidity levels in Irlbach, 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 Irlbach is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%76%80%80%82%82%87%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Irlbach

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

Maximum UV Index Levels in Irlbach for September

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

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

This table compares monthly weather conditions in Irlbach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)63 mm (2.5 inches)91%low
February Weather3°C (37°F)57 mm (2.3 inches)89%moderate
March Weather5°C (42°F)64 mm (2.5 inches)87%moderate
April Weather10°C (50°F)36 mm (1.4 inches)82%high
May Weather14°C (58°F)91 mm (3.6 inches)76%very high
June Weather20°C (68°F)70 mm (2.8 inches)80%very high
July Weather20°C (69°F)66 mm (2.6 inches)80%very high
August Weather20°C (69°F)87 mm (3.4 inches)82%very high
September Weather15°C (60°F)52 mm (2.1 inches)82%high
October Weather11°C (51°F)64 mm (2.5 inches)87%moderate
November Weather5°C (41°F)48 mm (1.9 inches)89%low
December Weather2°C (36°F)96 mm (3.8 inches)92%low

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