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September Weather in Vajern, Sweden

Last updated: August 27, 2025

In September, the average temperature in Vajern, Sweden hovers around 14°C (57°F). Expect cool days with a minimum of 6°C (43°F) and a pleasant high reaching 21°C (70°F). However, be prepared for some rain, as precipitation amounts can reach 109 mm (4.3 in) over about 15 days, coupled with an average humidity of 86%.

September Temperature in Vajern

In September in Vajern, the average temperature is 14°C (57°F), with maximums reaching 21°C (70°F) and minimums dropping as low as 6°C (43°F). This mild weather makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Vajern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vajern, September typically has an average temperature of 14°C (57°F), with highs reaching up to 21°C (70°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec373538445261646257504338
Data source: Temperature data for Vajern 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 Vajern

In Vajern in September, the precipitation amount is 109 mm (4.3 in) spread over 15 days.

September Precipitation Trends in Vajern

The chart displays monthly precipitation patterns in Vajern, 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 Vajern, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec586866345966809810912910087
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vajern

In Vajern in September humidity is 86%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket enveloping you, making travel feel oppressive and uncomfortably sticky.

September Average Humidity in Vajern

This chart illustrates the average monthly humidity levels in Vajern, 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 Vajern is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vajern

In Vajern 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 Vajern for better planning.

Maximum UV Index Levels in Vajern for September

The chart shows the monthly maximum UV Index (UVI) for Vajern 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 Vajern typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Vajern 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 Vajern Compares to Other Months

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

This table compares monthly weather conditions in Vajern, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)58 mm (2.3 inches)94%low
February Weather2°C (35°F)68 mm (2.7 inches)92%low
March Weather3°C (38°F)66 mm (2.6 inches)89%moderate
April Weather6°C (44°F)34 mm (1.3 inches)82%moderate
May Weather11°C (52°F)59 mm (2.3 inches)73%high
June Weather16°C (61°F)66 mm (2.6 inches)71%high
July Weather18°C (64°F)80 mm (3.1 inches)72%high
August Weather17°C (62°F)97 mm (3.8 inches)77%high
September Weather14°C (57°F)109 mm (4.3 inches)86%moderate
October Weather10°C (51°F)129 mm (5.1 inches)92%low
November Weather6°C (44°F)100 mm (3.9 inches)93%low
December Weather3°C (38°F)87 mm (3.4 inches)93%low

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