nomadseason

September Weather in Knutby, Sweden

Last updated: August 27, 2025

In September, the average temperature in Knutby, Sweden hovers around 12°C (54°F). Expect a minimum chill of -2°C (29°F) and a warm peak at 26°C (78°F). With an average precipitation of 49 mm (1.9 in) spread across 9 days, and humidity levels reaching 85%, the weather can feel quite damp and cool. Be prepared for a mix of temperatures and moisture this month!

September Temperature in Knutby

In September in Knutby, the average temperature is 12°C (54°F). The maximum can reach 26°C (78°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a mix of mild days and chilly nights when traveling to Knutby during this time.

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

The chart illustrates September temperature patterns in Knutby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Knutby, September typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec302934415062646254463832
Data source: Temperature data for Knutby generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Knutby

In Knutby in September, the total precipitation amount is 49 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Knutby

The chart displays monthly precipitation patterns in Knutby, 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 Knutby, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec353239316258707549694154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Knutby

In Knutby in September, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.

September Average Humidity in Knutby

This chart illustrates the average monthly humidity levels in Knutby, 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 Knutby is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Knutby

In Knutby 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 Knutby for better planning.

Maximum UV Index Levels in Knutby for September

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

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

This table compares monthly weather conditions in Knutby, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)35 mm (1.4 inches)90%low
February Weather-1°C (30°F)32 mm (1.3 inches)88%low
March Weather1°C (34°F)39 mm (1.5 inches)89%moderate
April Weather5°C (41°F)31 mm (1.2 inches)85%moderate
May Weather10°C (51°F)62 mm (2.4 inches)77%moderate
June Weather16°C (62°F)58 mm (2.3 inches)76%high
July Weather18°C (64°F)70 mm (2.8 inches)74%high
August Weather17°C (62°F)75 mm (2.9 inches)77%moderate
September Weather12°C (54°F)49 mm (1.9 inches)85%moderate
October Weather8°C (46°F)69 mm (2.7 inches)89%low
November Weather4°C (39°F)40 mm (1.6 inches)90%low
December Weather0°C (32°F)54 mm (2.1 inches)87%low

Compare Knutby's Climate with Cities Worldwide