September Weather in Koskullskulle, Sweden

Last updated: August 27, 2025

In September, the average temperature in Koskullskulle, Sweden is a crisp 7°C (44°F). Expect chilly nights with minimums dipping to -6°C (21°F), while daytime highs can reach a comfortable 21°C (70°F). Rain is likely, with an average precipitation of 72 mm (2.8 in) spread over 12 days. Don't forget to brace yourself for the humidity, which hovers around a substantial 92%!

September Temperature in Koskullskulle

In September in Koskullskulle, the average temperature is 7°C (44°F). Maximums can reach 21°C (70°F), and minimums can be as low as -6°C (21°F). It's advisable to pack layers and be prepared for a range of weather conditions while exploring Koskullskulle.

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

The chart illustrates September temperature patterns in Koskullskulle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koskullskulle, September typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (70°F) and lows dropping to around -6°C (21°F).

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

September Precipitation in Koskullskulle

In Koskullskulle in September, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

September Precipitation Trends in Koskullskulle

The chart displays monthly precipitation patterns in Koskullskulle, 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 Koskullskulle, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 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 Koskullskulle

In Koskullskulle in September, humidity is 92%. With an average temperature of 7°C (44°F), this humidity feels like an oppressive blanket, making outdoor activities uncomfortable and travel cumbersome as the dampness seeps into your clothes and chills your bones.

September Average Humidity in Koskullskulle

This chart illustrates the average monthly humidity levels in Koskullskulle, 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 Koskullskulle is approximately 92%, 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 Koskullskulle

In Koskullskulle in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Koskullskulle, you can check the information here.

Maximum UV Index Levels in Koskullskulle for September

The chart shows the monthly maximum UV Index (UVI) for Koskullskulle 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 Koskullskulle typically reaches 3, which falls under the moderate exposure category.

Data source: Koskullskulle 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 Koskullskulle Compares to Other Months

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

This table compares monthly weather conditions in Koskullskulle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (13°F)	35 mm (1.4 inches)	100%	low
February Weather	-11°C (12°F)	33 mm (1.3 inches)	98%	low
March Weather	-6°C (22°F)	34 mm (1.3 inches)	93%	low
April Weather	-1°C (31°F)	35 mm (1.4 inches)	89%	moderate
May Weather	4°C (39°F)	52 mm (2.1 inches)	84%	moderate
June Weather	12°C (53°F)	73 mm (2.9 inches)	81%	moderate
July Weather	14°C (58°F)	106 mm (4.2 inches)	84%	moderate
August Weather	12°C (53°F)	100 mm (3.9 inches)	88%	moderate
September Weather	7°C (44°F)	72 mm (2.8 inches)	92%	moderate
October Weather	0°C (32°F)	88 mm (3.5 inches)	96%	low
November Weather	-5°C (23°F)	49 mm (1.9 inches)	97%	low
December Weather	-9°C (17°F)	55 mm (2.2 inches)	100%	low