September Weather in Forst, Germany

Last updated: August 23, 2025

In September, the average temperature in Forst, Germany is a pleasant 16°C (61°F). You can expect a minimum of 3°C (37°F) and a delightful maximum of 32°C (91°F). Be prepared for some rain, as the area receives about 60 mm (2.4 in) of precipitation over 8 days. Additionally, with an average humidity of 81%, the air will feel quite comfortable yet refreshing!

September Temperature in Forst

In September in Forst, the average temperature is 16°C (61°F), with maximums reaching 32°C (91°F) and minimums as low as 3°C (37°F). This variation makes Forst an ideal destination for travelers looking to experience a range of weather while enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Forst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forst, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Forst

In Forst in September, the total precipitation amount is 60 mm (2.4 in) spread over the course of 8 days.

September Precipitation Trends in Forst

The chart displays monthly precipitation patterns in Forst, 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 Forst, September typically receives around 60 mm (2.4 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 Forst

In Forst in September, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

September Average Humidity in Forst

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

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

Maximum UV Index Levels in Forst for September

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

Data source: Forst 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 Forst Compares to Other Months

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

This table compares monthly weather conditions in Forst, 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)	52 mm (2.1 inches)	90%	low
February Weather	3°C (37°F)	50 mm (2.0 inches)	89%	low
March Weather	5°C (42°F)	51 mm (2.0 inches)	87%	moderate
April Weather	10°C (50°F)	36 mm (1.4 inches)	81%	moderate
May Weather	14°C (58°F)	58 mm (2.3 inches)	71%	high
June Weather	20°C (69°F)	54 mm (2.1 inches)	75%	very high
July Weather	20°C (69°F)	74 mm (2.9 inches)	74%	very high
August Weather	21°C (69°F)	66 mm (2.6 inches)	76%	high
September Weather	16°C (61°F)	60 mm (2.4 inches)	81%	high
October Weather	11°C (53°F)	61 mm (2.4 inches)	85%	moderate
November Weather	6°C (44°F)	41 mm (1.6 inches)	88%	low
December Weather	3°C (38°F)	60 mm (2.3 inches)	92%	low