September Weather in Silvalen, Norway

Last updated: August 27, 2025

In Silvalen, Norway, the average temperature in September is a cool 11°C (52°F). Expect lows of about 5°C (41°F) and highs reaching 17°C (63°F). This month also sees considerable precipitation, with an average of 219 mm (8.6 in) spread over 19 days, contributing to an average humidity of 84%. Be prepared for a slightly damp yet refreshing atmosphere!

September Temperature in Silvalen

In September in Silvalen, the average temperature is 11°C (52°F), with maximums reaching up to 17°C (63°F) and minimums dipping as low as 5°C (41°F). It's a great time to explore Silvalen, so be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Silvalen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silvalen, September typically has an average temperature of 11°C (52°F), with highs reaching up to 17°C (63°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec333234384451555552453935
Data source: Temperature data for Silvalen 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 Silvalen

In Silvalen in September, the total precipitation amount is 219 mm (8.6 in) spread out over 19 days.

September Precipitation Trends in Silvalen

The chart displays monthly precipitation patterns in Silvalen, 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 Silvalen, September typically receives around 219 mm (8.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec18013318613987109107158219226209169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Silvalen

In Silvalen in September, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

September Average Humidity in Silvalen

This chart illustrates the average monthly humidity levels in Silvalen, 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 Silvalen is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%75%78%79%81%84%87%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Silvalen

In Silvalen in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Silvalen, you can check the information here.

Maximum UV Index Levels in Silvalen for September

The chart shows the monthly maximum UV Index (UVI) for Silvalen 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 Silvalen typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345643211
Data source: Silvalen 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 Silvalen Compares to Other Months

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

This table compares monthly weather conditions in Silvalen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)180 mm (7.1 inches)86%low
February Weather0°C (32°F)133 mm (5.2 inches)84%low
March Weather1°C (34°F)186 mm (7.3 inches)83%low
April Weather3°C (39°F)139 mm (5.5 inches)80%moderate
May Weather6°C (44°F)87 mm (3.4 inches)75%moderate
June Weather11°C (51°F)109 mm (4.3 inches)78%moderate
July Weather13°C (56°F)107 mm (4.2 inches)79%high
August Weather13°C (56°F)157 mm (6.2 inches)81%moderate
September Weather11°C (52°F)219 mm (8.6 inches)84%moderate
October Weather7°C (45°F)226 mm (8.9 inches)87%low
November Weather4°C (40°F)209 mm (8.2 inches)86%low
December Weather2°C (35°F)169 mm (6.7 inches)85%low

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