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September Weather in Birkeland, Norway

Last updated: August 27, 2025

In September, the average temperature in Birkeland, Norway hovers around 13°C (56°F), with a minimum dipping to 4°C (39°F) and a maximum reaching 25°C (77°F). Be prepared for some wet days, as precipitation averages 128 mm (5.0 in) over 15 days, adding to the average humidity of 86%.

September Temperature in Birkeland

In September in Birkeland, the average temperature is 13°C (56°F), with maximums reaching 25°C (77°F) and minimums dipping as low as 4°C (39°F). This moderate climate makes Birkeland an ideal destination for travelers seeking comfortable weather for exploration and outdoor activities.

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

The chart illustrates September temperature patterns in Birkeland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birkeland, September typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (77°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec353437435260636156494237
Data source: Temperature data for Birkeland 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 Birkeland

In Birkeland in September, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.

September Precipitation Trends in Birkeland

The chart displays monthly precipitation patterns in Birkeland, 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 Birkeland, September typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec90112106399093106117128186140164
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Birkeland

In Birkeland in September, humidity is 86%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or air-conditioned spaces frequently.

September Average Humidity in Birkeland

This chart illustrates the average monthly humidity levels in Birkeland, 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 Birkeland is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Birkeland

In Birkeland 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 Birkeland for better planning.

Maximum UV Index Levels in Birkeland for September

The chart shows the monthly maximum UV Index (UVI) for Birkeland 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 Birkeland typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Birkeland 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 Birkeland Compares to Other Months

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

This table compares monthly weather conditions in Birkeland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)90 mm (3.5 inches)93%low
February Weather1°C (34°F)112 mm (4.4 inches)91%low
March Weather3°C (38°F)106 mm (4.2 inches)88%moderate
April Weather6°C (44°F)39 mm (1.5 inches)83%moderate
May Weather11°C (52°F)90 mm (3.5 inches)75%high
June Weather16°C (61°F)93 mm (3.7 inches)74%high
July Weather17°C (63°F)106 mm (4.2 inches)74%high
August Weather16°C (61°F)117 mm (4.6 inches)78%high
September Weather13°C (56°F)128 mm (5.0 inches)86%moderate
October Weather9°C (49°F)186 mm (7.3 inches)92%low
November Weather6°C (42°F)140 mm (5.5 inches)92%low
December Weather3°C (37°F)164 mm (6.5 inches)92%low

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