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September Weather in Kil, Sweden

Last updated: August 27, 2025

In September, the average temperature in Kil, Sweden hovers around 12°C (55°F), with a minimum dipping to 1°C (34°F) and a maximum reaching 24°C (75°F). Expect 77 mm (3.0 in) of precipitation over about 12 days, contributing to an average humidity of a notable 86%.

September Temperature in Kil

In September in Kil, the average temperature is 12°C (55°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 1°C (34°F). This range makes Kil an ideal destination for travelers seeking mild weather and the opportunity to experience both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Kil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kil, September typically has an average temperature of 12°C (55°F), with highs reaching up to 24°C (75°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313035435262656254463832
Data source: Temperature data for Kil 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 Kil

In Kil in September, the precipitation amount is 77 mm (3.0 in) spread over 12 days.

September Precipitation Trends in Kil

The chart displays monthly precipitation patterns in Kil, 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 Kil, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec474749316560678277867075
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kil

In Kil in September humidity is 86%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling.

September Average Humidity in Kil

This chart illustrates the average monthly humidity levels in Kil, 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 Kil is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kil

In Kil 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 Kil for better planning.

Maximum UV Index Levels in Kil for September

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

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

This table compares monthly weather conditions in Kil, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)47 mm (1.8 inches)94%low
February Weather-1°C (31°F)47 mm (1.9 inches)92%low
March Weather2°C (35°F)49 mm (1.9 inches)89%moderate
April Weather6°C (43°F)31 mm (1.2 inches)81%moderate
May Weather11°C (53°F)65 mm (2.5 inches)72%moderate
June Weather17°C (63°F)60 mm (2.4 inches)68%high
July Weather18°C (65°F)67 mm (2.6 inches)70%high
August Weather16°C (62°F)82 mm (3.2 inches)77%moderate
September Weather12°C (55°F)77 mm (3.0 inches)86%moderate
October Weather8°C (46°F)86 mm (3.4 inches)91%low
November Weather3°C (38°F)70 mm (2.7 inches)93%low
December Weather0°C (32°F)75 mm (3.0 inches)94%low

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