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September Weather in Storvik, Sweden

Last updated: August 27, 2025

In Storvik, Sweden, the average temperature in September is a cool 8°C (47°F). Expect a range where the minimum can dip to -6°C (21°F), while the maximum may reach a pleasant 23°C (73°F). During the month, precipitation averages 69 mm (2.7 in), typically spread over 10 days, and humidity levels hover around a high 88%.

September Temperature in Storvik

In September in Storvik, the average temperature is 8°C (47°F). Maximums can reach 23°C (73°F) and minimums can be as low as -6°C (21°F). It's advisable to pack layers to accommodate the wide range of temperatures you'll experience during your travels.

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

The chart illustrates September temperature patterns in Storvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Storvik, September typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (73°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec161625344557615647362621
Data source: Temperature data for Storvik 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 Storvik

In Storvik in September, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.

September Precipitation Trends in Storvik

The chart displays monthly precipitation patterns in Storvik, 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 Storvik, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5441423254719710369945473
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Storvik

In Storvik in September, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

September Average Humidity in Storvik

This chart illustrates the average monthly humidity levels in Storvik, 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 Storvik is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%90%84%82%78%82%84%88%92%93%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Storvik

In Storvik in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Storvik, you can check the information here.

Maximum UV Index Levels in Storvik for September

The chart shows the monthly maximum UV Index (UVI) for Storvik 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 Storvik typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346643211
Data source: Storvik 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 Storvik Compares to Other Months

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

This table compares monthly weather conditions in Storvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)54 mm (2.1 inches)97%low
February Weather-9°C (17°F)41 mm (1.6 inches)95%low
March Weather-4°C (25°F)42 mm (1.6 inches)90%low
April Weather1°C (34°F)32 mm (1.3 inches)84%moderate
May Weather7°C (45°F)54 mm (2.1 inches)81%moderate
June Weather14°C (57°F)71 mm (2.8 inches)78%high
July Weather16°C (61°F)97 mm (3.8 inches)82%high
August Weather14°C (57°F)103 mm (4.1 inches)84%moderate
September Weather8°C (47°F)69 mm (2.7 inches)88%moderate
October Weather2°C (36°F)94 mm (3.7 inches)92%low
November Weather-3°C (26°F)54 mm (2.1 inches)93%low
December Weather-6°C (21°F)73 mm (2.9 inches)96%low

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