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September Weather in Alingsas, Sweden

Last updated: August 27, 2025

In September, the average temperature in Alingsas, Sweden hovers around 13°C (55°F). Expect a minimum temperature of 0°C (32°F) and a maximum reaching up to 24°C (75°F). You'll also experience a fair amount of rain, with precipitation totaling 104 mm (4.1 in) over 15 days. Don't forget, the average humidity is quite high at 85%, so be prepared for a damp atmosphere!

September Temperature in Alingsas

In September in Alingsas, the average temperature is 13°C (55°F). The maximum can reach 24°C (75°F) and the minimum can be as low as 0°C (32°F). Be prepared for a mix of mild to warm days and chilly nights when traveling to Alingsas this time of year.

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

The chart illustrates September temperature patterns in Alingsas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alingsas, 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 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec343236435261636155474035
Data source: Temperature data for Alingsas 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 Alingsas

In Alingsas in September, the precipitation amount is 104 mm (4.1 in) over a span of 15 days.

September Precipitation Trends in Alingsas

The chart displays monthly precipitation patterns in Alingsas, 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 Alingsas, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec50706540718192115104956567
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alingsas

In Alingsas 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 Alingsas

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

In Alingsas 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 Alingsas for better planning.

Maximum UV Index Levels in Alingsas for September

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

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

This table compares monthly weather conditions in Alingsas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)50 mm (2.0 inches)92%low
February Weather0°C (33°F)70 mm (2.8 inches)91%low
March Weather2°C (36°F)65 mm (2.5 inches)89%moderate
April Weather6°C (43°F)39 mm (1.6 inches)84%moderate
May Weather11°C (52°F)71 mm (2.8 inches)75%high
June Weather16°C (61°F)81 mm (3.2 inches)73%high
July Weather17°C (63°F)92 mm (3.6 inches)73%high
August Weather16°C (61°F)115 mm (4.5 inches)77%high
September Weather13°C (55°F)104 mm (4.1 inches)85%moderate
October Weather9°C (48°F)95 mm (3.8 inches)91%low
November Weather5°C (40°F)65 mm (2.6 inches)92%low
December Weather1°C (35°F)67 mm (2.6 inches)91%low

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