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September Weather in OEverkalix, Sweden

Last updated: August 27, 2025

In OEverkalix, Sweden, the average temperature in September hovers around 8°C (47°F). Expect chilly lows of -5°C (23°F) and highs reaching up to 20°C (69°F). With an average precipitation of 66 mm (2.6 in) spread over 10 days, it’s wise to expect some rain. The air remains quite humid, with an average humidity level of 91%.

September Temperature in OEverkalix

In September in OEverkalix, the average temperature is 8°C (47°F). The maximum can reach 20°C (69°F), and the minimum can be as low as -5°C (23°F). Travelers should prepare for a range of temperatures and pack accordingly to ensure comfort during their visit.

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

The chart illustrates September temperature patterns in OEverkalix, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In OEverkalix, September typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (69°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec141424344457625747362519
Data source: Temperature data for OEverkalix 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 OEverkalix

In OEverkalix in September, the precipitation amount is 66 mm (2.6 in) over the course of 10 days.

September Precipitation Trends in OEverkalix

The chart displays monthly precipitation patterns in OEverkalix, 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 OEverkalix, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec443942344462799266915969
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in OEverkalix

In OEverkalix in September, humidity is 91%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making it important to dress in layers while traveling.

September Average Humidity in OEverkalix

This chart illustrates the average monthly humidity levels in OEverkalix, 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 OEverkalix is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec101%99%92%87%82%78%83%87%91%96%98%101%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in OEverkalix

In OEverkalix in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in OEverkalix, you can check the information here.

Maximum UV Index Levels in OEverkalix for September

The chart shows the monthly maximum UV Index (UVI) for OEverkalix 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 OEverkalix typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112345543111
Data source: OEverkalix 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 OEverkalix Compares to Other Months

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

This table compares monthly weather conditions in OEverkalix, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)44 mm (1.7 inches)101%low
February Weather-10°C (15°F)39 mm (1.6 inches)99%low
March Weather-4°C (24°F)41 mm (1.6 inches)92%low
April Weather1°C (34°F)34 mm (1.3 inches)86%moderate
May Weather7°C (44°F)44 mm (1.7 inches)82%moderate
June Weather14°C (57°F)62 mm (2.4 inches)78%moderate
July Weather17°C (62°F)79 mm (3.1 inches)83%moderate
August Weather14°C (57°F)92 mm (3.6 inches)87%moderate
September Weather8°C (47°F)66 mm (2.6 inches)91%moderate
October Weather2°C (36°F)91 mm (3.6 inches)96%low
November Weather-4°C (26°F)59 mm (2.3 inches)98%low
December Weather-7°C (19°F)69 mm (2.7 inches)101%low

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