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September Weather in Sandarne, Sweden

Last updated: August 27, 2025

In September, the average temperature in Sandarne, Sweden hovers around 12°C (54°F), with a comfortable range between a minimum of 4°C (40°F) and a maximum of 21°C (71°F). Expect some rain, as 56 mm (2.2 in) of precipitation can fall over approximately 11 days. The average humidity during this month is a high 87%, adding a touch of warmth to the atmosphere.

September Temperature in Sandarne

In September in Sandarne, the average temperature is 12°C (54°F). The maximum can reach 21°C (71°F) and the minimum can be as low as 4°C (40°F). This mild weather makes it a great time for travelers to explore and enjoy outdoor activities in Sandarne.

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

The chart illustrates September temperature patterns in Sandarne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandarne, September typically has an average temperature of 12°C (54°F), with highs reaching up to 21°C (71°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec313034384657626254463933
Data source: Temperature data for Sandarne 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 Sandarne

In Sandarne in September, the precipitation amount is 56 mm (2.2 in) over the course of 11 days.

September Precipitation Trends in Sandarne

The chart displays monthly precipitation patterns in Sandarne, 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 Sandarne, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4349393144536491561145667
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sandarne

In Sandarne in September humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

September Average Humidity in Sandarne

This chart illustrates the average monthly humidity levels in Sandarne, 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 Sandarne is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%93%91%84%74%73%73%78%87%92%94%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sandarne

In Sandarne 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 Sandarne for better planning.

Maximum UV Index Levels in Sandarne for September

The chart shows the monthly maximum UV Index (UVI) for Sandarne 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 Sandarne typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Sandarne 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 Sandarne Compares to Other Months

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

This table compares monthly weather conditions in Sandarne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)42 mm (1.7 inches)96%low
February Weather-1°C (30°F)49 mm (1.9 inches)93%low
March Weather1°C (34°F)39 mm (1.5 inches)91%moderate
April Weather3°C (39°F)31 mm (1.2 inches)84%moderate
May Weather8°C (46°F)44 mm (1.7 inches)74%moderate
June Weather14°C (57°F)53 mm (2.1 inches)73%high
July Weather17°C (62°F)64 mm (2.5 inches)73%high
August Weather16°C (62°F)91 mm (3.6 inches)78%moderate
September Weather12°C (54°F)56 mm (2.2 inches)87%moderate
October Weather8°C (46°F)114 mm (4.5 inches)92%low
November Weather4°C (39°F)56 mm (2.2 inches)94%low
December Weather0°C (33°F)66 mm (2.6 inches)94%low

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