nomadseason

September Weather in Storfors, Sweden

Last updated: August 27, 2025

In September, the average temperature in Storfors, Sweden is a mild 12°C (53°F), with lows dipping to 0°C (33°F) and highs reaching up to 21°C (71°F). Expect a total precipitation of 86 mm (3.4 in) spread over 13 days, contributing to a rather high average humidity of 86%. Prepare for a mix of weather as you explore this charming destination!

September Temperature in Storfors

In September in Storfors, the average temperature is 12°C (53°F). The maximum can reach 21°C (71°F) and the minimum can be as low as 0°C (33°F). This makes it a great time for travelers to enjoy mild weather while exploring the area.

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

The chart illustrates September temperature patterns in Storfors, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Storfors, September typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (71°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec292933415161636053453731
Data source: Temperature data for Storfors 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 Storfors

In Storfors, in September, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

September Precipitation Trends in Storfors

The chart displays monthly precipitation patterns in Storfors, 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 Storfors, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5147523569739010886886371
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Storfors

In Storfors in September humidity is 86%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting the need for warm, layered clothing while exploring the surroundings.

September Average Humidity in Storfors

This chart illustrates the average monthly humidity levels in Storfors, 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 Storfors 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 Storfors

In Storfors 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 Storfors for better planning.

Maximum UV Index Levels in Storfors for September

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

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

This table compares monthly weather conditions in Storfors, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)51 mm (2.0 inches)94%low
February Weather-2°C (29°F)47 mm (1.8 inches)92%low
March Weather1°C (34°F)52 mm (2.0 inches)89%moderate
April Weather5°C (41°F)35 mm (1.4 inches)81%moderate
May Weather10°C (51°F)69 mm (2.7 inches)72%moderate
June Weather16°C (61°F)73 mm (2.9 inches)68%high
July Weather17°C (63°F)90 mm (3.5 inches)70%high
August Weather16°C (60°F)108 mm (4.2 inches)77%moderate
September Weather12°C (53°F)86 mm (3.4 inches)86%moderate
October Weather7°C (45°F)88 mm (3.5 inches)91%low
November Weather3°C (37°F)63 mm (2.5 inches)93%low
December Weather-1°C (31°F)71 mm (2.8 inches)94%low

Compare Storfors's Climate with Cities Worldwide