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September Weather in Royrvik, Norway

Last updated: August 27, 2025

In Royrvik, Norway, the average temperature in September is a brisk 7°C (45°F). Expect chilly lows of -2°C (29°F) and occasional highs reaching 16°C (62°F). With a precipitation total of 178 mm (7.0 in) spread over 18 days, it's a good idea to keep that umbrella handy! The air feels quite humid, with average humidity levels at 91%, ensuring a fresh, invigorating atmosphere.

September Temperature in Royrvik

In September in Royrvik, the average temperature is 7°C (45°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures during their visit, making layering essential for comfort.

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

The chart illustrates September temperature patterns in Royrvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Royrvik, September typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (62°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec212024303951555245362824
Data source: Temperature data for Royrvik 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 Royrvik

In Royrvik in September, the total precipitation amount is 178 mm (7.0 in), occurring over 18 days of the month.

September Precipitation Trends in Royrvik

The chart displays monthly precipitation patterns in Royrvik, 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 Royrvik, September typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1881271931187511395137178152144140
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Royrvik

In Royrvik in September humidity is 91%. With an average temperature of 7°C (45°F), this humidity feels like a thick blanket wrapping around you, making it difficult to stay comfortable while traveling.

September Average Humidity in Royrvik

This chart illustrates the average monthly humidity levels in Royrvik, 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 Royrvik 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 Royrvik

In Royrvik 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 Royrvik, you can check the information here.

Maximum UV Index Levels in Royrvik for September

The chart shows the monthly maximum UV Index (UVI) for Royrvik 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 Royrvik typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113466653211
Data source: Royrvik 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 Royrvik Compares to Other Months

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

This table compares monthly weather conditions in Royrvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)188 mm (7.4 inches)97%low
February Weather-7°C (20°F)126 mm (5.0 inches)94%low
March Weather-5°C (24°F)193 mm (7.6 inches)92%moderate
April Weather-1°C (31°F)118 mm (4.7 inches)88%moderate
May Weather4°C (39°F)75 mm (3.0 inches)82%high
June Weather10°C (51°F)113 mm (4.4 inches)79%high
July Weather13°C (55°F)95 mm (3.7 inches)83%high
August Weather11°C (52°F)137 mm (5.4 inches)89%moderate
September Weather7°C (45°F)178 mm (7.0 inches)91%moderate
October Weather2°C (36°F)151 mm (6.0 inches)94%low
November Weather-2°C (29°F)144 mm (5.7 inches)95%low
December Weather-5°C (24°F)140 mm (5.5 inches)96%low

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