nomadseason

September Weather in Karlholmsbruk, Sweden

Last updated: August 27, 2025

The average temperature in Karlholmsbruk, Sweden during September is a mild 12°C (54°F). You can expect temperatures to range from a chilly -1°C (31°F) to a warm 27°C (80°F). With an average precipitation of 44 mm (1.7 in) spread across 9 days, it's advisable to keep an umbrella handy. Additionally, the average humidity sits at a snug 86%, making it feel a tad more humid than usual.

September Temperature in Karlholmsbruk

In September in Karlholmsbruk, the average temperature is 12°C (54°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -1°C (31°F). It's a unique time to visit, offering a blend of mild days and cool nights, perfect for exploring the local attractions.

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

The chart illustrates September temperature patterns in Karlholmsbruk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlholmsbruk, September typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec302934405061646254463832
Data source: Temperature data for Karlholmsbruk generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Karlholmsbruk

In Karlholmsbruk in September, the precipitation amount is 44 mm (1.7 in) over the course of 9 days.

September Precipitation Trends in Karlholmsbruk

The chart displays monthly precipitation patterns in Karlholmsbruk, 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 Karlholmsbruk, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec343736295655627944844551
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Karlholmsbruk

In Karlholmsbruk in September, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

September Average Humidity in Karlholmsbruk

This chart illustrates the average monthly humidity levels in Karlholmsbruk, 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 Karlholmsbruk is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%85%77%76%75%78%86%91%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Karlholmsbruk

In Karlholmsbruk in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Karlholmsbruk for better planning.

Maximum UV Index Levels in Karlholmsbruk for September

The chart shows the monthly maximum UV Index (UVI) for Karlholmsbruk 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 Karlholmsbruk typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Karlholmsbruk 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 Karlholmsbruk Compares to Other Months

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

This table compares monthly weather conditions in Karlholmsbruk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)34 mm (1.4 inches)92%low
February Weather-1°C (30°F)37 mm (1.4 inches)90%low
March Weather1°C (34°F)36 mm (1.4 inches)90%moderate
April Weather4°C (40°F)29 mm (1.1 inches)85%moderate
May Weather10°C (50°F)56 mm (2.2 inches)77%moderate
June Weather16°C (61°F)55 mm (2.2 inches)76%high
July Weather18°C (64°F)61 mm (2.4 inches)75%high
August Weather17°C (62°F)79 mm (3.1 inches)78%moderate
September Weather12°C (54°F)44 mm (1.7 inches)86%moderate
October Weather8°C (46°F)84 mm (3.3 inches)90%low
November Weather3°C (38°F)45 mm (1.8 inches)91%low
December Weather0°C (32°F)51 mm (2.0 inches)90%low

Compare Karlholmsbruk's Climate with Cities Worldwide