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September Weather in Forserum, Sweden

Last updated: August 27, 2025

In September, the average temperature in Forserum, Sweden hovers around 12°C (53°F). Visitors can expect a minimum chill of -1°C (30°F) and a pleasant maximum of 24°C (75°F). With an average humidity of 82%, it's a good idea to prepare for some moisture in the air. Expect 76 mm (3.0 in) of precipitation over approximately 12 days, making it wise to pack an umbrella!

September Temperature in Forserum

In September in Forserum, the average temperature is 12°C (53°F). Maximums can reach 24°C (75°F) and minimums can be as low as -1°C (30°F). It's advisable to pack layers to stay comfortable while exploring the diverse weather conditions during your travels.

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

The chart illustrates September temperature patterns in Forserum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forserum, September typically has an average temperature of 12°C (53°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec313034415061626053453933
Data source: Temperature data for Forserum 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 Forserum

In Forserum in September, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

September Precipitation Trends in Forserum

The chart displays monthly precipitation patterns in Forserum, 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 Forserum, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec415150376267808676734956
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Forserum

In Forserum in September, humidity is 82%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky, as you navigate through the thick air that weighs heavily on your skin.

September Average Humidity in Forserum

This chart illustrates the average monthly humidity levels in Forserum, 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 Forserum is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Forserum

In Forserum 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 Forserum for better planning.

Maximum UV Index Levels in Forserum for September

The chart shows the monthly maximum UV Index (UVI) for Forserum 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 Forserum typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Forserum 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 Forserum Compares to Other Months

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

This table compares monthly weather conditions in Forserum, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)41 mm (1.6 inches)92%low
February Weather-1°C (31°F)51 mm (2.0 inches)91%low
March Weather1°C (34°F)50 mm (2.0 inches)89%moderate
April Weather5°C (41°F)37 mm (1.4 inches)82%moderate
May Weather10°C (51°F)62 mm (2.4 inches)70%high
June Weather16°C (61°F)66 mm (2.6 inches)65%high
July Weather16°C (62°F)80 mm (3.1 inches)65%high
August Weather15°C (60°F)86 mm (3.4 inches)71%high
September Weather12°C (53°F)76 mm (3.0 inches)82%moderate
October Weather7°C (46°F)72 mm (2.9 inches)90%low
November Weather4°C (39°F)49 mm (1.9 inches)92%low
December Weather0°C (33°F)56 mm (2.2 inches)91%low

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