September Weather in Rietberg, Germany

Last updated: August 23, 2025

In September, the average temperature in Rietberg, Germany hovers around 15°C (59°F), with a minimum dipping to 2°C (36°F) and a maximum peaking at 31°C (88°F). Expect about 57 mm (2.2 in) of precipitation spread over 10 days, and prepare for a high average humidity of 82%.

September Temperature in Rietberg

In September in Rietberg, the average temperature is 15°C (59°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as 2°C (36°F). It's a great time to visit for those who enjoy mild weather with the possibility of warmer days, but be sure to pack layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Rietberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rietberg, September typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Rietberg

In Rietberg in September, the precipitation amount is 57 mm (2.2 in) over a span of 10 days.

September Precipitation Trends in Rietberg

The chart displays monthly precipitation patterns in Rietberg, 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 Rietberg, September typically receives around 57 mm (2.2 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 Rietberg

In Rietberg in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Rietberg

This chart illustrates the average monthly humidity levels in Rietberg, 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 Rietberg is approximately 82%, 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 Rietberg

In Rietberg 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 Rietberg.

Maximum UV Index Levels in Rietberg for September

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

Data source: Rietberg 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 Rietberg Compares to Other Months

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

This table compares monthly weather conditions in Rietberg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	75 mm (2.9 inches)	92%	low
February Weather	4°C (39°F)	78 mm (3.1 inches)	90%	low
March Weather	6°C (43°F)	79 mm (3.1 inches)	87%	moderate
April Weather	9°C (49°F)	42 mm (1.7 inches)	83%	moderate
May Weather	13°C (56°F)	64 mm (2.5 inches)	76%	high
June Weather	18°C (65°F)	65 mm (2.5 inches)	74%	very high
July Weather	19°C (66°F)	89 mm (3.5 inches)	74%	very high
August Weather	19°C (66°F)	74 mm (2.9 inches)	75%	high
September Weather	15°C (59°F)	57 mm (2.2 inches)	82%	moderate
October Weather	11°C (53°F)	83 mm (3.3 inches)	88%	moderate
November Weather	6°C (44°F)	54 mm (2.1 inches)	90%	low
December Weather	4°C (40°F)	93 mm (3.6 inches)	92%	low