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September Weather in Jonsered, Sweden

Last updated: August 27, 2025

In September, the average temperature in Jonsered, Sweden is a mild 13°C (55°F), with a minimum dipping to 1°C (35°F) and a comfortable maximum reaching 24°C (75°F). Expect 104 mm (4.1 in) of precipitation spread over 16 days, creating an atmosphere of high 85% humidity. Get ready for a blend of cool and damp conditions!

September Temperature in Jonsered

In September in Jonsered, the average temperature is 13°C (55°F). Maximums can reach 24°C (75°F), while minimums can drop to as low as 1°C (35°F). Be prepared for a mix of mild and cooler weather, making it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Jonsered, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jonsered, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (75°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec343336435261636155484135
Data source: Temperature data for Jonsered 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 Jonsered

In Jonsered in September, the total precipitation amount is 104 mm (4.1 in), distributed over 16 days.

September Precipitation Trends in Jonsered

The chart displays monthly precipitation patterns in Jonsered, 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 Jonsered, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec537468397776921161041097173
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jonsered

In Jonsered in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

September Average Humidity in Jonsered

This chart illustrates the average monthly humidity levels in Jonsered, 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 Jonsered is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%84%75%74%73%77%86%91%92%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jonsered

In Jonsered 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 Jonsered.

Maximum UV Index Levels in Jonsered for September

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

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

This table compares monthly weather conditions in Jonsered, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)53 mm (2.1 inches)92%low
February Weather0°C (33°F)74 mm (2.9 inches)91%low
March Weather2°C (36°F)68 mm (2.7 inches)89%moderate
April Weather6°C (44°F)39 mm (1.5 inches)84%moderate
May Weather11°C (52°F)77 mm (3.0 inches)75%high
June Weather16°C (61°F)76 mm (3.0 inches)73%high
July Weather17°C (63°F)92 mm (3.6 inches)73%high
August Weather16°C (61°F)116 mm (4.6 inches)77%high
September Weather13°C (55°F)104 mm (4.1 inches)85%moderate
October Weather9°C (48°F)109 mm (4.3 inches)91%low
November Weather5°C (41°F)71 mm (2.8 inches)92%low
December Weather2°C (35°F)73 mm (2.9 inches)91%low

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