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September Weather in Knappstad, Norway

Last updated: August 27, 2025

In September, the average temperature in Knappstad, Norway is a mild 13°C (55°F). Be prepared for a range in temperatures, with a minimum of -1°C (30°F) and a maximum reaching 25°C (77°F). This month brings about 98 mm (3.8 in) of precipitation spread over approximately 13 days, and the air feels quite damp with an average humidity of 86%. Stay cozy and enjoy the unique weather!

September Temperature in Knappstad

In September in Knappstad, the average temperature is 13°C (55°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -1°C (30°F). Be sure to pack layers and prepare for varying temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Knappstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Knappstad, September typically has an average temperature of 13°C (55°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec313036435362656155463832
Data source: Temperature data for Knappstad 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 Knappstad

In Knappstad in September, the precipitation amount is 98 mm (3.8 in) spread over 13 days.

September Precipitation Trends in Knappstad

The chart displays monthly precipitation patterns in Knappstad, 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 Knappstad, September typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5560603481819689981139189
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Knappstad

In Knappstad in September humidity is 86%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket clinging to your skin, making travel quite uncomfortable and urging you to seek cooler, dryer spots.

September Average Humidity in Knappstad

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

In Knappstad 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 Knappstad for better planning.

Maximum UV Index Levels in Knappstad for September

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

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

This table compares monthly weather conditions in Knappstad, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)55 mm (2.1 inches)94%low
February Weather-1°C (31°F)60 mm (2.4 inches)92%low
March Weather2°C (36°F)60 mm (2.4 inches)89%moderate
April Weather6°C (44°F)34 mm (1.3 inches)82%moderate
May Weather11°C (53°F)80 mm (3.2 inches)73%moderate
June Weather17°C (62°F)81 mm (3.2 inches)71%high
July Weather18°C (65°F)96 mm (3.8 inches)72%high
August Weather16°C (62°F)89 mm (3.5 inches)77%moderate
September Weather13°C (55°F)98 mm (3.8 inches)86%moderate
October Weather8°C (46°F)113 mm (4.5 inches)92%low
November Weather3°C (38°F)91 mm (3.6 inches)93%low
December Weather0°C (32°F)89 mm (3.5 inches)93%low

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