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September Weather in Borkenes, Norway

Last updated: August 27, 2025

In Borkenes, Norway, the average temperature in September hovers around 9°C (48°F). However, don't be surprised if the mercury dips to a chilly -1°C (30°F) or climbs to a warm 22°C (71°F). During this time, expect about 127 mm (5.0 in) of precipitation spread over 17 days, contributing to a humid atmosphere with an average humidity of 88%.

September Temperature in Borkenes

In September in Borkenes, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (71°F), while the minimum can drop as low as -1°C (30°F). Be sure to pack layers to comfortably enjoy your travels in this versatile climate.

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

The chart illustrates September temperature patterns in Borkenes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Borkenes, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (71°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec242228344251555448393226
Data source: Temperature data for Borkenes 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 Borkenes

In Borkenes in September, the precipitation amount is 127 mm (5.0 in) over the course of 17 days.

September Precipitation Trends in Borkenes

The chart displays monthly precipitation patterns in Borkenes, 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 Borkenes, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec9610413599841139812612710110794
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Borkenes

In Borkenes in September, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

September Average Humidity in Borkenes

This chart illustrates the average monthly humidity levels in Borkenes, 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 Borkenes is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%83%77%82%83%84%88%88%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Borkenes

In Borkenes 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 Borkenes, you can check the information here.

Maximum UV Index Levels in Borkenes for September

The chart shows the monthly maximum UV Index (UVI) for Borkenes 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 Borkenes typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345543110
Data source: Borkenes 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 Borkenes Compares to Other Months

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

This table compares monthly weather conditions in Borkenes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)96 mm (3.8 inches)89%low
February Weather-6°C (22°F)104 mm (4.1 inches)88%low
March Weather-2°C (28°F)135 mm (5.3 inches)85%low
April Weather1°C (34°F)98 mm (3.9 inches)83%moderate
May Weather6°C (43°F)84 mm (3.3 inches)77%moderate
June Weather10°C (51°F)113 mm (4.4 inches)82%moderate
July Weather13°C (55°F)98 mm (3.9 inches)83%moderate
August Weather12°C (54°F)126 mm (5.0 inches)84%moderate
September Weather9°C (48°F)127 mm (5.0 inches)88%moderate
October Weather4°C (39°F)101 mm (4.0 inches)88%low
November Weather0°C (33°F)107 mm (4.2 inches)87%low
December Weather-3°C (26°F)94 mm (3.7 inches)87%low

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