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September Weather in Jevnaker, Norway

Last updated: August 27, 2025

In September, the average temperature in Jevnaker, Norway hovers around 11°C (52°F), with minimums dropping to 0°C (32°F) and maximums reaching 23°C (74°F). Expect about 102 mm (4.0 in) of precipitation spread over 13 days, contributing to a high average humidity of 91%.

September Temperature in Jevnaker

In September in Jevnaker, the average temperature is 11°C (52°F). The maximum can reach 23°C (74°F), and the minimum can be as low as 0°C (32°F). This climate makes Jevnaker an ideal destination for travelers who enjoy mild temperatures and outdoor activities during this time of year.

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

The chart illustrates September temperature patterns in Jevnaker, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jevnaker, September typically has an average temperature of 11°C (52°F), with highs reaching up to 23°C (74°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec242531384959615851423426
Data source: Temperature data for Jevnaker 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 Jevnaker

In Jevnaker in September, precipitation amounts to 102 mm (4.0 in) over the course of 13 days.

September Precipitation Trends in Jevnaker

The chart displays monthly precipitation patterns in Jevnaker, 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 Jevnaker, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec58596342949510310810212598101
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jevnaker

In Jevnaker in September, humidity is 91%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and plan for cozy indoor activities rather than lengthy outdoor explorations.

September Average Humidity in Jevnaker

This chart illustrates the average monthly humidity levels in Jevnaker, 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 Jevnaker is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%92%88%84%82%82%87%91%95%97%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jevnaker

In Jevnaker in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Jevnaker for better planning.

Maximum UV Index Levels in Jevnaker for September

The chart shows the monthly maximum UV Index (UVI) for Jevnaker 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 Jevnaker typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Jevnaker 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 Jevnaker Compares to Other Months

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

This table compares monthly weather conditions in Jevnaker, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)58 mm (2.3 inches)98%low
February Weather-4°C (25°F)59 mm (2.3 inches)95%low
March Weather-1°C (31°F)63 mm (2.5 inches)92%moderate
April Weather4°C (39°F)42 mm (1.6 inches)88%moderate
May Weather9°C (49°F)94 mm (3.7 inches)84%moderate
June Weather15°C (59°F)95 mm (3.7 inches)82%high
July Weather16°C (62°F)102 mm (4.0 inches)82%high
August Weather15°C (58°F)108 mm (4.2 inches)87%moderate
September Weather11°C (52°F)102 mm (4.0 inches)91%moderate
October Weather6°C (42°F)125 mm (4.9 inches)95%low
November Weather1°C (34°F)98 mm (3.8 inches)97%low
December Weather-3°C (26°F)101 mm (4.0 inches)98%low

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