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September Weather in Lycksele, Sweden

Last updated: August 27, 2025

In September, the average temperature in Lycksele, Sweden hovers around 8°C (47°F). While the mercury can dip as low as -7°C (21°F), it can also rise to a pleasant 22°C (73°F). Expect about 66 mm (2.6 in) of precipitation over 11 days, contributing to an average humidity of 90%. Be prepared for a mix of cool and damp conditions!

September Temperature in Lycksele

In September in Lycksele, the average temperature is 8°C (47°F). The maximum can reach 22°C (73°F) and the minimum can be as low as -7°C (21°F). It's advisable to pack layers and prepare for a mix of warm and chilly weather during your travels.

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

The chart illustrates September temperature patterns in Lycksele, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lycksele, September typically has an average temperature of 8°C (47°F), with highs reaching up to 22°C (73°F) and lows dropping to around -7°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec181825344557605647372722
Data source: Temperature data for Lycksele 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 Lycksele

In Lycksele in September, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

September Precipitation Trends in Lycksele

The chart displays monthly precipitation patterns in Lycksele, 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 Lycksele, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec473637285170807866875065
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lycksele

In Lycksele in September, humidity is 90%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill enveloping you, making even short walks outside feel uncomfortable and heavy, as if the air is thick with moisture.

September Average Humidity in Lycksele

This chart illustrates the average monthly humidity levels in Lycksele, 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 Lycksele is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%92%87%83%77%83%87%90%93%94%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lycksele

In Lycksele 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 Lycksele, you can check the information here.

Maximum UV Index Levels in Lycksele for September

The chart shows the monthly maximum UV Index (UVI) for Lycksele 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 Lycksele typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Lycksele 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 Lycksele Compares to Other Months

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

This table compares monthly weather conditions in Lycksele, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)47 mm (1.9 inches)98%low
February Weather-8°C (18°F)36 mm (1.4 inches)96%low
March Weather-4°C (26°F)37 mm (1.4 inches)92%low
April Weather1°C (34°F)28 mm (1.1 inches)87%moderate
May Weather7°C (46°F)51 mm (2.0 inches)83%moderate
June Weather14°C (57°F)70 mm (2.7 inches)77%high
July Weather16°C (61°F)80 mm (3.1 inches)83%high
August Weather13°C (56°F)78 mm (3.1 inches)87%moderate
September Weather8°C (47°F)66 mm (2.6 inches)90%moderate
October Weather3°C (37°F)87 mm (3.4 inches)93%low
November Weather-3°C (27°F)50 mm (2.0 inches)94%low
December Weather-6°C (22°F)65 mm (2.6 inches)97%low

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