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September Weather in Austrheim, Norway

Last updated: August 27, 2025

In September, the average temperature in Austrheim, Norway hovers around 13°C (55°F), with a minimum of 6°C (44°F) and a maximum of 18°C (65°F). Expect significant rainfall, with 385 mm (15.1 in) occurring over 21 days, accompanied by high humidity levels averaging 87%. Prepare for a cool and wet month!

September Temperature in Austrheim

In September in Austrheim, the average temperature is 13°C (55°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop to as low as 6°C (44°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Austrheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Austrheim, September typically has an average temperature of 13°C (55°F), with highs reaching up to 18°C (65°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec403839434855575855504542
Data source: Temperature data for Austrheim 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 Austrheim

In Austrheim in September, the precipitation amount is 385 mm (15.1 in) over the course of 21 days.

September Precipitation Trends in Austrheim

The chart displays monthly precipitation patterns in Austrheim, 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 Austrheim, September typically receives around 385 mm (15.1 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec23120920112985140126231385399286292
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Austrheim

In Austrheim in September, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.

September Average Humidity in Austrheim

This chart illustrates the average monthly humidity levels in Austrheim, 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 Austrheim is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%83%83%85%85%89%87%87%86%85%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Austrheim

In Austrheim 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 Austrheim for better planning.

Maximum UV Index Levels in Austrheim for September

The chart shows the monthly maximum UV Index (UVI) for Austrheim 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 Austrheim typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457654211
Data source: Austrheim 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 Austrheim Compares to Other Months

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

This table compares monthly weather conditions in Austrheim, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)231 mm (9.1 inches)82%low
February Weather4°C (39°F)209 mm (8.2 inches)82%low
March Weather4°C (40°F)201 mm (7.9 inches)83%moderate
April Weather6°C (43°F)129 mm (5.1 inches)83%moderate
May Weather9°C (48°F)85 mm (3.3 inches)85%moderate
June Weather13°C (55°F)140 mm (5.5 inches)85%high
July Weather14°C (58°F)126 mm (5.0 inches)89%high
August Weather15°C (59°F)231 mm (9.1 inches)87%moderate
September Weather13°C (55°F)385 mm (15.1 inches)87%moderate
October Weather10°C (51°F)399 mm (15.7 inches)86%low
November Weather7°C (46°F)285 mm (11.2 inches)85%low
December Weather5°C (42°F)292 mm (11.5 inches)79%low

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