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September Weather in Idar-Oberstein, Germany

Last updated: August 23, 2025

In September, the average temperature in Idar-Oberstein, Germany hovers around 14°C (58°F). However, you can expect fluctuations, with minimums dipping to 3°C (37°F) and maximums soaring to 30°C (86°F). This month also brings about 54 mm (2.1 in) of rainfall spread over approximately 8 days, contributing to an average humidity level of 83%. Be prepared for a mix of cool and warm days!

September Temperature in Idar-Oberstein

In September in Idar-Oberstein, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as 3°C (37°F). Be prepared for a range of temperatures when traveling during this time!

September Weather in Idar-Oberstein: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Idar-Oberstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Idar-Oberstein, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec353842485564656558504138
Data source: Temperature data for Idar-Oberstein 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 Idar-Oberstein

In Idar-Oberstein in September, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

September Precipitation Trends in Idar-Oberstein

The chart displays monthly precipitation patterns in Idar-Oberstein, 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 Idar-Oberstein, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6770814276826459546461111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Idar-Oberstein

In Idar-Oberstein 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 Idar-Oberstein

This chart illustrates the average monthly humidity levels in Idar-Oberstein, 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 Idar-Oberstein is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Idar-Oberstein

In Idar-Oberstein 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 Idar-Oberstein, you can refer to this Hourly UV Index in Idar-Oberstein.

Maximum UV Index Levels in Idar-Oberstein for September

The chart shows the monthly maximum UV Index (UVI) for Idar-Oberstein 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 Idar-Oberstein typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Idar-Oberstein 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 Idar-Oberstein Compares to Other Months

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

This table compares monthly weather conditions in Idar-Oberstein, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)66 mm (2.6 inches)91%low
February Weather3°C (38°F)70 mm (2.8 inches)90%moderate
March Weather5°C (42°F)81 mm (3.2 inches)88%moderate
April Weather9°C (49°F)42 mm (1.7 inches)84%high
May Weather13°C (55°F)75 mm (3.0 inches)81%very high
June Weather18°C (64°F)82 mm (3.2 inches)82%very high
July Weather18°C (66°F)64 mm (2.5 inches)82%very high
August Weather18°C (65°F)59 mm (2.3 inches)80%high
September Weather14°C (58°F)54 mm (2.1 inches)83%high
October Weather10°C (51°F)64 mm (2.5 inches)89%moderate
November Weather5°C (41°F)60 mm (2.4 inches)91%low
December Weather3°C (38°F)110 mm (4.3 inches)93%low

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