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September Weather in Namsskogan, Norway

Last updated: August 27, 2025

In September, the average temperature in Namsskogan, Norway is a cool 8°C (46°F), with minimums dropping to -1°C (31°F) and maximums reaching 17°C (63°F). Expect plenty of rain, with an average precipitation of 191 mm (7.5 in) spread over 18 days, contributing to a high average humidity of 91%.

September Temperature in Namsskogan

In September in Namsskogan, the average temperature is 8°C (46°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -1°C (31°F). Be sure to pack layers and be prepared for a mix of weather conditions while traveling during this time.

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

The chart illustrates September temperature patterns in Namsskogan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Namsskogan, September typically has an average temperature of 8°C (46°F), with highs reaching up to 17°C (63°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec232125314052565346373025
Data source: Temperature data for Namsskogan 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 Namsskogan

In Namsskogan in September, the total precipitation amount is 191 mm (7.5 in), occurring over a span of 18 days.

September Precipitation Trends in Namsskogan

The chart displays monthly precipitation patterns in Namsskogan, 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 Namsskogan, September typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1971322081337812199145191158150148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Namsskogan

In Namsskogan in September, humidity is 91%. With an average temperature of 8°C (46°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and leaving a chill that seeps into your bones, creating an atmosphere that is damp and heavy, perfect for cozy indoor explorations but challenging for leisurely travel.

September Average Humidity in Namsskogan

This chart illustrates the average monthly humidity levels in Namsskogan, 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 Namsskogan is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%88%82%79%83%89%91%94%95%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Namsskogan

In Namsskogan 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 Namsskogan, you can check the information here.

Maximum UV Index Levels in Namsskogan for September

The chart shows the monthly maximum UV Index (UVI) for Namsskogan 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 Namsskogan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456643211
Data source: Namsskogan 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 Namsskogan Compares to Other Months

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

This table compares monthly weather conditions in Namsskogan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)197 mm (7.8 inches)97%low
February Weather-6°C (21°F)132 mm (5.2 inches)94%low
March Weather-4°C (25°F)207 mm (8.2 inches)92%moderate
April Weather0°C (31°F)133 mm (5.2 inches)88%moderate
May Weather4°C (40°F)78 mm (3.1 inches)82%moderate
June Weather11°C (52°F)121 mm (4.8 inches)79%high
July Weather13°C (56°F)99 mm (3.9 inches)83%high
August Weather11°C (53°F)145 mm (5.7 inches)89%moderate
September Weather8°C (46°F)191 mm (7.5 inches)91%moderate
October Weather3°C (38°F)158 mm (6.2 inches)94%low
November Weather-1°C (30°F)150 mm (5.9 inches)95%low
December Weather-4°C (25°F)148 mm (5.8 inches)96%low

Compare Namsskogan's Climate with Cities Worldwide