September Weather in Haellefors, Sweden

Last updated: August 27, 2025

In September, the average temperature in Haellefors, Sweden hovers around 11°C (52°F), with a minimum of 0°C (32°F) and a maximum reaching 22°C (72°F). Expect about 77 mm (3.0 in) of precipitation over approximately 12 days, contributing to an average humidity of 86%. Whether you're packing for rain or sunshine, it's wise to be prepared!

September Temperature in Haellefors

In September in Haellefors, the average temperature is a mild 11°C (52°F). Maximum temperatures can reach a pleasant 22°C (72°F), while the minimum can dip as low as 0°C (32°F). This climate makes Haellefors an ideal destination for travelers seeking a comfortable and varied weather experience.

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

The chart illustrates September temperature patterns in Haellefors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haellefors, September typically has an average temperature of 11°C (52°F), with highs reaching up to 22°C (72°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec282832395060625952443630
Data source: Temperature data for Haellefors generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Haellefors

In Haellefors in September, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

September Precipitation Trends in Haellefors

The chart displays monthly precipitation patterns in Haellefors, 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 Haellefors, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5046493567768710577896370
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Haellefors

In Haellefors in September humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

September Average Humidity in Haellefors

This chart illustrates the average monthly humidity levels in Haellefors, 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 Haellefors is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Haellefors

In Haellefors 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 Haellefors for better planning.

Maximum UV Index Levels in Haellefors for September

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

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

This table compares monthly weather conditions in Haellefors, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)50 mm (2.0 inches)94%low
February Weather-2°C (28°F)46 mm (1.8 inches)92%low
March Weather0°C (33°F)49 mm (1.9 inches)89%moderate
April Weather4°C (40°F)35 mm (1.4 inches)81%moderate
May Weather10°C (50°F)67 mm (2.7 inches)72%moderate
June Weather16°C (60°F)76 mm (3.0 inches)68%high
July Weather17°C (62°F)87 mm (3.4 inches)70%high
August Weather15°C (60°F)105 mm (4.1 inches)77%moderate
September Weather11°C (52°F)77 mm (3.0 inches)86%moderate
October Weather7°C (44°F)89 mm (3.5 inches)91%low
November Weather2°C (36°F)63 mm (2.5 inches)93%low
December Weather-1°C (30°F)70 mm (2.8 inches)94%low

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