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September Weather in Billingstad, Norway

Last updated: August 27, 2025

In September, the average temperature in Billingstad, Norway hovers around 12°C (54°F). Expect a minimum of 2°C (37°F) and a comfortable maximum of 24°C (75°F). Be prepared for 106 mm (4.2 in) of rainfall spread over 12 days, and enjoy an average humidity level of 86%, creating a lush and vibrant atmosphere.

September Temperature in Billingstad

In September in Billingstad, the average temperature is 12°C (54°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 2°C (37°F). This makes it an ideal time for travelers looking to enjoy mild weather while exploring the sights.

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

The chart illustrates September temperature patterns in Billingstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Billingstad, September typically has an average temperature of 12°C (54°F), with highs reaching up to 24°C (75°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec262732405060636053443628
Data source: Temperature data for Billingstad 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 Billingstad

In Billingstad in September, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.

September Precipitation Trends in Billingstad

The chart displays monthly precipitation patterns in Billingstad, 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 Billingstad, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec606465389087100100106131103107
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Billingstad

In Billingstad in September, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

September Average Humidity in Billingstad

This chart illustrates the average monthly humidity levels in Billingstad, 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 Billingstad 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 Billingstad

In Billingstad 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 Billingstad for better planning.

Maximum UV Index Levels in Billingstad for September

The chart shows the monthly maximum UV Index (UVI) for Billingstad 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 Billingstad typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Billingstad 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 Billingstad Compares to Other Months

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

This table compares monthly weather conditions in Billingstad, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)60 mm (2.4 inches)94%low
February Weather-3°C (27°F)64 mm (2.5 inches)92%low
March Weather0°C (33°F)65 mm (2.6 inches)89%moderate
April Weather5°C (40°F)38 mm (1.5 inches)82%moderate
May Weather10°C (50°F)90 mm (3.5 inches)73%moderate
June Weather15°C (60°F)87 mm (3.4 inches)71%high
July Weather17°C (63°F)100 mm (4.0 inches)72%high
August Weather16°C (60°F)100 mm (3.9 inches)77%moderate
September Weather12°C (54°F)106 mm (4.2 inches)86%moderate
October Weather7°C (44°F)131 mm (5.1 inches)92%low
November Weather2°C (36°F)103 mm (4.1 inches)93%low
December Weather-2°C (28°F)107 mm (4.2 inches)93%low

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