September Weather in Hartmannsdorf, Germany

Last updated: August 23, 2025

In Hartmannsdorf, Germany, the average temperature in September hovers around 15°C (60°F), with a chill that can dip as low as 3°C (37°F) and warmth that peaks at 31°C (88°F). Expect 51 mm (2.0 in) of precipitation over 9 days, contributing to a notable average humidity of 81%. Be prepared for a mix of conditions that make this month uniquely vibrant!

September Temperature in Hartmannsdorf

In September in Hartmannsdorf, the average temperature is 15°C (60°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 3°C (37°F). Be prepared for a range of temperatures when traveling, ensuring you pack accordingly for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Hartmannsdorf, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartmannsdorf, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Hartmannsdorf

In Hartmannsdorf in September, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

September Precipitation Trends in Hartmannsdorf

The chart displays monthly precipitation patterns in Hartmannsdorf, 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 Hartmannsdorf, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Hartmannsdorf

In Hartmannsdorf 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 Hartmannsdorf

This chart illustrates the average monthly humidity levels in Hartmannsdorf, 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 Hartmannsdorf 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 Hartmannsdorf

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

Maximum UV Index Levels in Hartmannsdorf for September

The chart shows the monthly maximum UV Index (UVI) for Hartmannsdorf 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 Hartmannsdorf typically reaches 6, which falls under the high exposure category.

Data source: Hartmannsdorf 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 Hartmannsdorf Compares to Other Months

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

This table compares monthly weather conditions in Hartmannsdorf, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	68 mm (2.7 inches)	90%	low
February Weather	3°C (38°F)	54 mm (2.1 inches)	89%	low
March Weather	5°C (42°F)	63 mm (2.5 inches)	87%	moderate
April Weather	9°C (49°F)	36 mm (1.4 inches)	81%	moderate
May Weather	13°C (56°F)	63 mm (2.5 inches)	71%	high
June Weather	19°C (66°F)	50 mm (2.0 inches)	75%	very high
July Weather	19°C (67°F)	64 mm (2.5 inches)	74%	very high
August Weather	20°C (68°F)	72 mm (2.8 inches)	76%	high
September Weather	15°C (60°F)	51 mm (2.0 inches)	81%	high
October Weather	11°C (53°F)	75 mm (2.9 inches)	85%	moderate
November Weather	6°C (43°F)	47 mm (1.9 inches)	88%	low
December Weather	3°C (38°F)	77 mm (3.0 inches)	92%	low