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September Weather in Setermoen, Norway

Last updated: August 27, 2025

In September, the average temperature in Setermoen, Norway hovers around 6°C (43°F), with a minimum of -6°C (21°F) and a maximum reaching up to 18°C (65°F). Expect 138 mm (5.4 in) of precipitation spread over 17 days, resulting in a damp atmosphere with an average humidity of 91%.

September Temperature in Setermoen

In September in Setermoen, the average temperature is 6°C (43°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -6°C (21°F). It's advisable to pack layers and prepare for a mix of chilly and mild weather during your travels.

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

The chart illustrates September temperature patterns in Setermoen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Setermoen, September typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (65°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec191822283445535043322621
Data source: Temperature data for Setermoen 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 Setermoen

In Setermoen in September, the precipitation amount is 138 mm (5.4 in) spread over 17 days.

September Precipitation Trends in Setermoen

The chart displays monthly precipitation patterns in Setermoen, 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 Setermoen, September typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec11412316011090136121140138108112105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Setermoen

In Setermoen in September, humidity is 91%. With an average temperature of 6°C (43°F), this humidity feels like a thick blanket wrapped around you, making travel uncomfortable and sticky as every step becomes a challenge against the heavy, damp air.

September Average Humidity in Setermoen

This chart illustrates the average monthly humidity levels in Setermoen, 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 Setermoen is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%89%83%84%85%88%92%92%92%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Setermoen

In Setermoen 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 Setermoen, you can check the information here.

Maximum UV Index Levels in Setermoen for September

The chart shows the monthly maximum UV Index (UVI) for Setermoen 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 Setermoen typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112455543110
Data source: Setermoen 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 Setermoen Compares to Other Months

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

This table compares monthly weather conditions in Setermoen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)114 mm (4.5 inches)95%low
February Weather-8°C (18°F)123 mm (4.9 inches)93%low
March Weather-5°C (23°F)160 mm (6.3 inches)91%low
April Weather-2°C (29°F)110 mm (4.3 inches)89%moderate
May Weather1°C (35°F)90 mm (3.5 inches)83%moderate
June Weather7°C (45°F)136 mm (5.4 inches)84%moderate
July Weather11°C (53°F)121 mm (4.8 inches)85%moderate
August Weather10°C (50°F)140 mm (5.5 inches)88%moderate
September Weather6°C (43°F)138 mm (5.4 inches)91%moderate
October Weather0°C (33°F)108 mm (4.2 inches)92%low
November Weather-3°C (26°F)112 mm (4.4 inches)92%low
December Weather-6°C (21°F)105 mm (4.1 inches)94%low

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