September Weather in Datteln, Germany

Last updated: August 23, 2025

In Datteln, Germany, the average temperature in September hovers around 15°C (60°F), with extremes ranging from a brisk 2°C (36°F) to a warm 32°C (90°F). This month typically sees an average precipitation of 61 mm (2.4 in) spread over 10 days, contributing to a high average humidity of 81%. Enjoy the mild climate while staying prepared for the occasional rain!

September Temperature in Datteln

In September in Datteln, the average temperature is 15°C (60°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 2°C (36°F). Travelers should pack accordingly to enjoy both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Datteln, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Datteln, September typically has an average temperature of 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Datteln generated using information from the Copernicus Climate Change Service.

September Precipitation in Datteln

In Datteln in September, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

September Precipitation Trends in Datteln

The chart displays monthly precipitation patterns in Datteln, 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 Datteln, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Datteln

In Datteln in September, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

September Average Humidity in Datteln

This chart illustrates the average monthly humidity levels in Datteln, 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 Datteln is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Datteln

In Datteln 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 Datteln.

Maximum UV Index Levels in Datteln for September

The chart shows the monthly maximum UV Index (UVI) for Datteln 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 Datteln typically reaches 5, which falls under the moderate exposure category.

Data source: Datteln 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 Datteln Compares to Other Months

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

This table compares monthly weather conditions in Datteln, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	71 mm (2.8 inches)	91%	low
February Weather	5°C (40°F)	80 mm (3.1 inches)	90%	low
March Weather	7°C (44°F)	75 mm (3.0 inches)	87%	moderate
April Weather	10°C (50°F)	35 mm (1.4 inches)	84%	moderate
May Weather	14°C (57°F)	58 mm (2.3 inches)	77%	high
June Weather	19°C (66°F)	59 mm (2.3 inches)	74%	very high
July Weather	19°C (67°F)	82 mm (3.2 inches)	72%	very high
August Weather	19°C (67°F)	70 mm (2.7 inches)	71%	high
September Weather	15°C (60°F)	61 mm (2.4 inches)	81%	moderate
October Weather	12°C (54°F)	88 mm (3.5 inches)	88%	moderate
November Weather	7°C (45°F)	55 mm (2.2 inches)	91%	low
December Weather	5°C (41°F)	96 mm (3.8 inches)	92%	low