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September Weather in Matfors, Sweden

Last updated: August 27, 2025

In September, the average temperature in Matfors, Sweden is a brisk 10°C (50°F). Expect a temperature range from a chilly -3°C (28°F) to a pleasant 22°C (72°F). With an average humidity of 89%, it feels quite damp. Be prepared for some wet days, as 62 mm (2.4 in) of precipitation is likely over 12 days.

September Temperature in Matfors

In September in Matfors, the average temperature is 10°C (50°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -3°C (28°F). This variation makes it a great time to experience the diverse weather, so travelers should pack layers to enjoy both the crisp coolness and the warmer days.

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

The chart illustrates September temperature patterns in Matfors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Matfors, September typically has an average temperature of 10°C (50°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec242330374858615850413226
Data source: Temperature data for Matfors 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 Matfors

In Matfors in September, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

September Precipitation Trends in Matfors

The chart displays monthly precipitation patterns in Matfors, 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 Matfors, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec534347324169979962914776
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Matfors

In Matfors in September, humidity is 89%. With an average temperature of 10°C (50°F), this humidity feels like a dense blanket wrapping around you, making travel feel damp and chilly, and urging you to dress in layers for comfort.

September Average Humidity in Matfors

This chart illustrates the average monthly humidity levels in Matfors, 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 Matfors is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%87%80%76%80%86%89%93%94%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Matfors

In Matfors 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 Matfors for better planning.

Maximum UV Index Levels in Matfors for September

The chart shows the monthly maximum UV Index (UVI) for Matfors 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 Matfors typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Matfors 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 Matfors Compares to Other Months

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

This table compares monthly weather conditions in Matfors, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)53 mm (2.1 inches)97%low
February Weather-5°C (24°F)43 mm (1.7 inches)95%low
March Weather-1°C (30°F)47 mm (1.8 inches)92%moderate
April Weather3°C (38°F)32 mm (1.3 inches)86%moderate
May Weather9°C (48°F)41 mm (1.6 inches)80%moderate
June Weather15°C (59°F)69 mm (2.7 inches)76%high
July Weather16°C (61°F)97 mm (3.8 inches)80%high
August Weather15°C (59°F)99 mm (3.9 inches)86%moderate
September Weather10°C (50°F)62 mm (2.4 inches)89%moderate
October Weather5°C (41°F)90 mm (3.6 inches)93%low
November Weather0°C (33°F)47 mm (1.8 inches)94%low
December Weather-3°C (27°F)76 mm (3.0 inches)96%low

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