September Weather in Heek, Germany

Last updated: August 23, 2025

In Heek, Germany, the average temperature for September hovers around 15°C (59°F), offering a pleasant climate for outdoor activities. Expect a minimum chill of 2°C (37°F) and occasional warm spells reaching up to 32°C (90°F). While you enjoy the weather, keep an umbrella handy—precipitation averages 63 mm (2.5 in) over 10 days. With an average humidity of 81%, you'll feel that subtle tropical embrace throughout the month!

September Temperature in Heek

In September in Heek, the average temperature is 15°C (59°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 2°C (37°F). Therefore, travelers should be prepared for a range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Heek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heek, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (37°F).

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

September Precipitation in Heek

In Heek in September, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

September Precipitation Trends in Heek

The chart displays monthly precipitation patterns in Heek, 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 Heek, September typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 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 Heek

In Heek in September humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

September Average Humidity in Heek

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

In Heek 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 Heek.

Maximum UV Index Levels in Heek for September

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

Data source: Heek 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 Heek Compares to Other Months

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

This table compares monthly weather conditions in Heek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	69 mm (2.7 inches)	91%	low
February Weather	4°C (40°F)	79 mm (3.1 inches)	90%	low
March Weather	7°C (44°F)	75 mm (3.0 inches)	87%	moderate
April Weather	10°C (50°F)	36 mm (1.4 inches)	84%	moderate
May Weather	14°C (57°F)	62 mm (2.5 inches)	77%	high
June Weather	19°C (66°F)	61 mm (2.4 inches)	74%	very high
July Weather	19°C (66°F)	76 mm (3.0 inches)	72%	very high
August Weather	19°C (66°F)	76 mm (3.0 inches)	71%	high
September Weather	15°C (59°F)	63 mm (2.5 inches)	81%	moderate
October Weather	12°C (54°F)	88 mm (3.5 inches)	88%	moderate
November Weather	7°C (45°F)	54 mm (2.1 inches)	91%	low
December Weather	5°C (41°F)	95 mm (3.7 inches)	92%	low