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September Weather in Borgheim, Norway

Last updated: August 27, 2025

In Borgheim, Norway, the average temperature in September hovers around 14°C (57°F). You can expect temperatures to range from a cool 6°C (43°F) at night to a warm 22°C (71°F) during the day. Be prepared for some rain, as precipitation averages 137 mm (5.4 in) over 14 days. The air is quite moist, with an average humidity of 86%, making it feel even more refreshing!

September Temperature in Borgheim

In September in Borgheim, the average temperature is 14°C (57°F). Maximums can reach 22°C (71°F), while minimums can be as low as 6°C (43°F). This makes it an ideal time for travelers who enjoy mild weather and the chance to explore comfortably.

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

The chart illustrates September temperature patterns in Borgheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Borgheim, September typically has an average temperature of 14°C (57°F), with highs reaching up to 22°C (71°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec343337445262656357494135
Data source: Temperature data for Borgheim 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 Borgheim

In Borgheim in September, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

September Precipitation Trends in Borgheim

The chart displays monthly precipitation patterns in Borgheim, 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 Borgheim, September typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7076733574858585137157131119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Borgheim

In Borgheim in September humidity is 86%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket enveloping you, making travel feel oppressive and uncomfortably sticky.

September Average Humidity in Borgheim

This chart illustrates the average monthly humidity levels in Borgheim, 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 Borgheim is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Borgheim

In Borgheim 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 Borgheim for better planning.

Maximum UV Index Levels in Borgheim for September

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

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

This table compares monthly weather conditions in Borgheim, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)70 mm (2.8 inches)94%low
February Weather0°C (33°F)76 mm (3.0 inches)92%low
March Weather3°C (37°F)73 mm (2.9 inches)89%moderate
April Weather6°C (44°F)35 mm (1.4 inches)82%moderate
May Weather11°C (53°F)74 mm (2.9 inches)73%moderate
June Weather17°C (62°F)85 mm (3.3 inches)71%high
July Weather18°C (65°F)85 mm (3.4 inches)72%high
August Weather17°C (63°F)85 mm (3.3 inches)77%moderate
September Weather14°C (57°F)137 mm (5.4 inches)86%moderate
October Weather9°C (49°F)157 mm (6.2 inches)92%low
November Weather5°C (42°F)131 mm (5.2 inches)93%low
December Weather2°C (35°F)119 mm (4.7 inches)93%low

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