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September Weather in Langvik, Sweden

Last updated: August 27, 2025

In September, the average temperature in Langvik, Sweden hovers around 9°C (48°F). Visitors can expect a minimum of -5°C (24°F) and a maximum of 21°C (70°F). During this month, precipitation totals approximately 64 mm (2.5 in) spread over 11 days, and humidity levels are notably high at 88%.

September Temperature in Langvik

In September in Langvik, the average temperature is 9°C (48°F) with a maximum that can reach 21°C (70°F) and a minimum that can drop to as low as -5°C (24°F). Be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Langvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Langvik, September typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (70°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec151525344558625748362620
Data source: Temperature data for Langvik 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 Langvik

In Langvik in September, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

September Precipitation Trends in Langvik

The chart displays monthly precipitation patterns in Langvik, 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 Langvik, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec484142314760818864915972
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Langvik

In Langvik in September, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

September Average Humidity in Langvik

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

In Langvik 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 Langvik, you can check the information here.

Maximum UV Index Levels in Langvik for September

The chart shows the monthly maximum UV Index (UVI) for Langvik 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 Langvik typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346543111
Data source: Langvik 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 Langvik Compares to Other Months

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

This table compares monthly weather conditions in Langvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)48 mm (1.9 inches)97%low
February Weather-9°C (15°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)31 mm (1.2 inches)84%moderate
May Weather7°C (45°F)47 mm (1.9 inches)81%moderate
June Weather14°C (58°F)60 mm (2.4 inches)78%high
July Weather17°C (63°F)80 mm (3.2 inches)82%moderate
August Weather14°C (58°F)88 mm (3.5 inches)84%moderate
September Weather9°C (48°F)64 mm (2.5 inches)88%moderate
October Weather2°C (37°F)91 mm (3.6 inches)92%low
November Weather-3°C (27°F)59 mm (2.3 inches)93%low
December Weather-7°C (20°F)72 mm (2.8 inches)96%low

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