September Weather in Altwarp, Germany

Last updated: August 23, 2025

In Altwarp, Germany, the average temperature in September hovers around 16°C (60°F). Expect a range that dips to a minimum of 7°C (45°F) and peaks at a warm 30°C (87°F). During this month, precipitation is about 65 mm (2.5 in) over approximately 11 days, paired with an average humidity of 82%.

September Temperature in Altwarp

In September, in Altwarp, the average temperature is 16°C (60°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 7°C (45°F). It’s a great time for travelers looking to enjoy mild weather and a mix of sunny and cooler days.

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

The chart illustrates September temperature patterns in Altwarp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altwarp, September typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Altwarp

In Altwarp in September, the precipitation amount is 65 mm (2.5 in) over a span of 11 days.

September Precipitation Trends in Altwarp

The chart displays monthly precipitation patterns in Altwarp, 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 Altwarp, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 11 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 Altwarp

In Altwarp in September humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.

September Average Humidity in Altwarp

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

In Altwarp 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 Altwarp.

Maximum UV Index Levels in Altwarp for September

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

Data source: Altwarp 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 Altwarp Compares to Other Months

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

This table compares monthly weather conditions in Altwarp, 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)	63 mm (2.5 inches)	91%	low
February Weather	2°C (37°F)	47 mm (1.9 inches)	90%	low
March Weather	4°C (40°F)	53 mm (2.1 inches)	88%	moderate
April Weather	8°C (47°F)	39 mm (1.5 inches)	82%	moderate
May Weather	13°C (55°F)	50 mm (2.0 inches)	74%	high
June Weather	18°C (66°F)	53 mm (2.1 inches)	75%	very high
July Weather	19°C (66°F)	102 mm (4.0 inches)	74%	high
August Weather	19°C (67°F)	62 mm (2.4 inches)	71%	high
September Weather	16°C (60°F)	65 mm (2.5 inches)	82%	moderate
October Weather	12°C (53°F)	80 mm (3.2 inches)	86%	moderate
November Weather	7°C (45°F)	62 mm (2.4 inches)	89%	low
December Weather	3°C (38°F)	63 mm (2.5 inches)	93%	low