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September Weather in Olderdalen, Norway

Last updated: August 27, 2025

In Olderdalen, Norway, the average temperature in September hovers around 6°C (42°F). Expect chilly days with minimums dipping to -7°C (19°F) and a pleasant maximum reaching 17°C (64°F). Be prepared for rain, as precipitation amounts to 107 mm (4.2 in) over 17 days, and the air stays notably moist with an average humidity of 94%.

September Temperature in Olderdalen

In September in Olderdalen, the average temperature is 6°C (42°F). Maximum temperatures can reach 17°C (64°F), while minimums can drop as low as -7°C (19°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Olderdalen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olderdalen, September typically has an average temperature of 6°C (42°F), with highs reaching up to 17°C (64°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec171721283443525042302419
Data source: Temperature data for Olderdalen 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 Olderdalen

In Olderdalen in September, the precipitation amount is 107 mm (4.2 in) and occurs over 17 days.

September Precipitation Trends in Olderdalen

The chart displays monthly precipitation patterns in Olderdalen, 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 Olderdalen, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec76761078973114112123107728364
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Olderdalen

In Olderdalen in September, humidity is 94%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that clings to your skin, making traveling uncomfortable and necessitating extra layers to stay warm and dry.

September Average Humidity in Olderdalen

This chart illustrates the average monthly humidity levels in Olderdalen, 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 Olderdalen is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%99%95%92%85%84%85%91%94%96%98%100%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Olderdalen

In Olderdalen in September, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Olderdalen, you can visit Hourly UV Index in Olderdalen.

Maximum UV Index Levels in Olderdalen for September

The chart shows the monthly maximum UV Index (UVI) for Olderdalen 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 Olderdalen typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355542110
Data source: Olderdalen 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 Olderdalen Compares to Other Months

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

This table compares monthly weather conditions in Olderdalen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)76 mm (3.0 inches)100%low
February Weather-9°C (17°F)76 mm (3.0 inches)99%low
March Weather-6°C (21°F)107 mm (4.2 inches)95%low
April Weather-2°C (28°F)89 mm (3.5 inches)92%moderate
May Weather1°C (34°F)73 mm (2.9 inches)85%moderate
June Weather6°C (43°F)114 mm (4.5 inches)84%moderate
July Weather11°C (53°F)112 mm (4.4 inches)85%moderate
August Weather10°C (50°F)123 mm (4.8 inches)91%moderate
September Weather6°C (42°F)107 mm (4.2 inches)94%low
October Weather-1°C (31°F)72 mm (2.8 inches)96%low
November Weather-4°C (25°F)83 mm (3.3 inches)98%low
December Weather-7°C (19°F)64 mm (2.5 inches)100%low

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