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September Weather in Vaernamo, Sweden

Last updated: August 27, 2025

In Vaernamo, Sweden, the average temperature in September hovers around 12°C (54°F), with extremes ranging from a chilly -2°C (29°F) to a warm 24°C (76°F). Be prepared for frequent showers, as 85 mm (3.4 in) of precipitation falls over approximately 13 days, and don’t forget to expect a high average humidity of 82%, making the air feel quite damp.

September Temperature in Vaernamo

In September in Vaernamo, the average temperature is 12°C (54°F). The maximum can reach 24°C (76°F), while the minimum can be as low as -2°C (29°F). This varied climate makes Vaernamo a great destination for travelers seeking a mix of mild and cool weather.

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

The chart illustrates September temperature patterns in Vaernamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vaernamo, September typically has an average temperature of 12°C (54°F), with highs reaching up to 24°C (76°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec323235425261626154464034
Data source: Temperature data for Vaernamo 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 Vaernamo

In Vaernamo in September, the total precipitation amount is 85 mm (3.4 in), which occurs over the span of 13 days.

September Precipitation Trends in Vaernamo

The chart displays monthly precipitation patterns in Vaernamo, 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 Vaernamo, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec526363376778879185885669
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vaernamo

In Vaernamo in September humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

September Average Humidity in Vaernamo

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

In Vaernamo in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Vaernamo.

Maximum UV Index Levels in Vaernamo for September

The chart shows the monthly maximum UV Index (UVI) for Vaernamo 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 Vaernamo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765211
Data source: Vaernamo 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 Vaernamo Compares to Other Months

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

This table compares monthly weather conditions in Vaernamo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)52 mm (2.0 inches)92%low
February Weather0°C (32°F)63 mm (2.5 inches)91%low
March Weather2°C (35°F)62 mm (2.5 inches)89%moderate
April Weather6°C (43°F)37 mm (1.4 inches)82%moderate
May Weather11°C (52°F)67 mm (2.6 inches)70%high
June Weather16°C (62°F)78 mm (3.1 inches)65%high
July Weather17°C (63°F)87 mm (3.4 inches)65%high
August Weather16°C (61°F)91 mm (3.6 inches)71%high
September Weather12°C (54°F)85 mm (3.4 inches)82%moderate
October Weather8°C (47°F)88 mm (3.5 inches)90%low
November Weather4°C (40°F)56 mm (2.2 inches)92%low
December Weather1°C (34°F)69 mm (2.7 inches)91%low

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