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September Weather in Karlshus, Norway

Last updated: August 27, 2025

In September, the average temperature in Karlshus, Norway is 14°C (57°F), with minimums dipping to 3°C (37°F) and highs reaching 23°C (74°F). Expect about 115 mm (4.5 in) of precipitation over 13 days, contributing to a notably high average humidity of 86%.

September Temperature in Karlshus

In September in Karlshus, the average temperature is 14°C (57°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as 3°C (37°F). This mild climate makes it an ideal time for travelers to explore the outdoor attractions and enjoy the pleasant weather.

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

The chart illustrates September temperature patterns in Karlshus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlshus, September typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (74°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343337445363656357484135
Data source: Temperature data for Karlshus 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 Karlshus

In Karlshus in September, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

September Precipitation Trends in Karlshus

The chart displays monthly precipitation patterns in Karlshus, 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 Karlshus, September typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6066653167768381115132106100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Karlshus

In Karlshus 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 Karlshus

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

In Karlshus 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 Karlshus for better planning.

Maximum UV Index Levels in Karlshus for September

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

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

This table compares monthly weather conditions in Karlshus, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)60 mm (2.4 inches)94%low
February Weather1°C (33°F)66 mm (2.6 inches)92%low
March Weather3°C (37°F)65 mm (2.5 inches)89%moderate
April Weather7°C (45°F)31 mm (1.2 inches)82%moderate
May Weather12°C (53°F)67 mm (2.7 inches)73%moderate
June Weather17°C (63°F)76 mm (3.0 inches)71%high
July Weather19°C (66°F)83 mm (3.3 inches)72%high
August Weather17°C (63°F)81 mm (3.2 inches)77%moderate
September Weather14°C (57°F)115 mm (4.5 inches)86%moderate
October Weather9°C (49°F)132 mm (5.2 inches)92%low
November Weather5°C (41°F)106 mm (4.2 inches)93%low
December Weather1°C (35°F)100 mm (3.9 inches)93%low

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