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September Weather in Siljansnaes, Sweden

Last updated: August 27, 2025

In September, the average temperature in Siljansnaes, Sweden hovers around 11°C (52°F), with temperature extremes ranging from a crisp 0°C (32°F) to a pleasant 21°C (71°F). Expect about 65 mm (2.5 in) of precipitation spread over 11 days, creating a humid atmosphere with an average humidity of 88%.

September Temperature in Siljansnaes

In September in Siljansnaes, the average temperature is 11°C (52°F). The maximum can reach 21°C (71°F) and the minimum can be as low as 0°C (32°F). This makes Siljansnaes a great destination for travelers seeking mild weather, but it's advisable to pack layers to adapt to temperature fluctuations.

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

The chart illustrates September temperature patterns in Siljansnaes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siljansnaes, September typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (71°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec262631384859625951433528
Data source: Temperature data for Siljansnaes 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 Siljansnaes

In Siljansnaes in September, the precipitation amount is 65 mm (2.5 in) over a span of 11 days.

September Precipitation Trends in Siljansnaes

The chart displays monthly precipitation patterns in Siljansnaes, 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 Siljansnaes, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec383641326172739165935559
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Siljansnaes

In Siljansnaes in September, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

September Average Humidity in Siljansnaes

This chart illustrates the average monthly humidity levels in Siljansnaes, 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 Siljansnaes is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%91%85%77%76%75%80%89%93%96%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Siljansnaes

In Siljansnaes 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 Siljansnaes for better planning.

Maximum UV Index Levels in Siljansnaes for September

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

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

This table compares monthly weather conditions in Siljansnaes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)38 mm (1.5 inches)97%low
February Weather-3°C (26°F)36 mm (1.4 inches)94%low
March Weather0°C (32°F)41 mm (1.6 inches)91%moderate
April Weather3°C (39°F)32 mm (1.3 inches)85%moderate
May Weather9°C (49°F)61 mm (2.4 inches)77%moderate
June Weather15°C (59°F)72 mm (2.8 inches)76%high
July Weather16°C (62°F)73 mm (2.9 inches)74%high
August Weather15°C (59°F)91 mm (3.6 inches)80%moderate
September Weather11°C (52°F)65 mm (2.5 inches)88%moderate
October Weather6°C (43°F)93 mm (3.7 inches)93%low
November Weather2°C (35°F)55 mm (2.2 inches)96%low
December Weather-2°C (28°F)59 mm (2.3 inches)96%low

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