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September Weather in Valdemarsvik, Sweden

Last updated: August 27, 2025

In September, the average temperature in Valdemarsvik, Sweden hovers around 13°C (56°F). Expect a minimum of 1°C (34°F) and a maximum reaching up to 26°C (79°F). The weather brings about 62 mm (2.4 in) of precipitation spread over 10 days, contributing to an average humidity level of 83%. Prepare accordingly to embrace the diverse climate!

September Temperature in Valdemarsvik

In September in Valdemarsvik, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F), and minimums can be as low as 1°C (34°F). This pleasant range makes Valdemarsvik an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates September temperature patterns in Valdemarsvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valdemarsvik, September typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec333236425162646356484134
Data source: Temperature data for Valdemarsvik 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 Valdemarsvik

In Valdemarsvik in September, the total precipitation amount is 62 mm (2.4 in) over a period of 10 days.

September Precipitation Trends in Valdemarsvik

The chart displays monthly precipitation patterns in Valdemarsvik, 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 Valdemarsvik, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec403845275050617762644854
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valdemarsvik

In Valdemarsvik in September humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

September Average Humidity in Valdemarsvik

This chart illustrates the average monthly humidity levels in Valdemarsvik, 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 Valdemarsvik is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valdemarsvik

In Valdemarsvik 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 Valdemarsvik for better planning.

Maximum UV Index Levels in Valdemarsvik for September

The chart shows the monthly maximum UV Index (UVI) for Valdemarsvik 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 Valdemarsvik typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Valdemarsvik 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 Valdemarsvik Compares to Other Months

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

This table compares monthly weather conditions in Valdemarsvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)39 mm (1.6 inches)91%low
February Weather0°C (32°F)38 mm (1.5 inches)89%low
March Weather2°C (36°F)45 mm (1.8 inches)88%moderate
April Weather6°C (42°F)27 mm (1.1 inches)82%moderate
May Weather11°C (52°F)50 mm (2.0 inches)71%moderate
June Weather17°C (62°F)50 mm (2.0 inches)69%high
July Weather18°C (65°F)60 mm (2.4 inches)67%high
August Weather17°C (63°F)77 mm (3.0 inches)72%high
September Weather13°C (56°F)62 mm (2.4 inches)83%moderate
October Weather9°C (48°F)64 mm (2.5 inches)89%low
November Weather5°C (41°F)48 mm (1.9 inches)91%low
December Weather1°C (35°F)54 mm (2.1 inches)90%low

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