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September Weather in Vetlanda, Sweden

Last updated: August 27, 2025

In Vetlanda, Sweden, the average temperature in September hovers around 12°C (54°F), with daily highs reaching up to 24°C (75°F) and occasional lows dropping to -1°C (30°F). Expect 70 mm (2.7 in) of precipitation spread across 11 days, contributing to an average humidity level of 82%. Prepare for a season that blends cool breezes with the refreshing scent of rain!

September Temperature in Vetlanda

In September in Vetlanda, the average temperature is 12°C (54°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -1°C (30°F). This variation in temperature makes Vetlanda an ideal destination for travelers who enjoy both mild days and cooler evenings.

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

The chart illustrates September temperature patterns in Vetlanda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vetlanda, September typically has an average temperature of 12°C (54°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec313134415161626054463933
Data source: Temperature data for Vetlanda 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 Vetlanda

In Vetlanda in September, the precipitation amount is 70 mm (2.7 in) spread over 11 days.

September Precipitation Trends in Vetlanda

The chart displays monthly precipitation patterns in Vetlanda, 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 Vetlanda, September typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec414949325958767570724654
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vetlanda

In Vetlanda 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 Vetlanda

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

In Vetlanda 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 Vetlanda for better planning.

Maximum UV Index Levels in Vetlanda for September

The chart shows the monthly maximum UV Index (UVI) for Vetlanda 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 Vetlanda typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Vetlanda 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 Vetlanda Compares to Other Months

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

This table compares monthly weather conditions in Vetlanda, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)41 mm (1.6 inches)92%low
February Weather-1°C (31°F)49 mm (1.9 inches)91%low
March Weather1°C (35°F)49 mm (1.9 inches)89%moderate
April Weather5°C (42°F)32 mm (1.2 inches)82%moderate
May Weather11°C (51°F)59 mm (2.3 inches)70%high
June Weather16°C (62°F)58 mm (2.3 inches)65%high
July Weather17°C (62°F)76 mm (3.0 inches)65%high
August Weather16°C (61°F)75 mm (2.9 inches)71%high
September Weather12°C (54°F)70 mm (2.7 inches)82%moderate
October Weather8°C (46°F)72 mm (2.8 inches)90%low
November Weather4°C (39°F)46 mm (1.8 inches)92%low
December Weather0°C (33°F)54 mm (2.1 inches)91%low

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