September Weather in Ostrau, Germany

Last updated: August 23, 2025

In September, the average temperature in Ostrau, Germany is a mild 16°C (60°F), making it a pleasant time of year. While temperatures can dip as low as 2°C (37°F), they can also peak at a warm 32°C (89°F). Expect some rain, with an average precipitation of 53 mm (2.1 in) over 8 days, and enjoy the slightly humid atmosphere, with average humidity around 81%.

September Temperature in Ostrau

In September in Ostrau, the average temperature is 16°C (60°F). Maximums can reach 32°C (89°F), while minimums can drop as low as 2°C (37°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates September temperature patterns in Ostrau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostrau, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (37°F).

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

September Precipitation in Ostrau

In Ostrau in September, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

September Precipitation Trends in Ostrau

The chart displays monthly precipitation patterns in Ostrau, 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 Ostrau, September typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 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 Ostrau

In Ostrau in September, humidity is 81%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you as you travel, making you acutely aware of the sweat on your skin and creating an atmosphere that might dampen your spirits but also invites you to seek out refreshing beverages and shady spots.

September Average Humidity in Ostrau

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

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

Maximum UV Index Levels in Ostrau for September

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

Data source: Ostrau 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 Ostrau Compares to Other Months

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

This table compares monthly weather conditions in Ostrau, 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 (36°F)	58 mm (2.3 inches)	90%	low
February Weather	3°C (38°F)	52 mm (2.0 inches)	89%	low
March Weather	5°C (42°F)	56 mm (2.2 inches)	87%	moderate
April Weather	9°C (49°F)	35 mm (1.4 inches)	81%	high
May Weather	14°C (57°F)	62 mm (2.4 inches)	71%	high
June Weather	20°C (68°F)	51 mm (2.0 inches)	75%	very high
July Weather	20°C (68°F)	63 mm (2.5 inches)	74%	very high
August Weather	20°C (69°F)	65 mm (2.6 inches)	76%	high
September Weather	16°C (60°F)	53 mm (2.1 inches)	81%	high
October Weather	12°C (53°F)	61 mm (2.4 inches)	85%	moderate
November Weather	6°C (43°F)	43 mm (1.7 inches)	88%	low
December Weather	4°C (39°F)	66 mm (2.6 inches)	92%	low