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September Weather in Selja, Sweden

Last updated: August 27, 2025

In September, the average temperature in Selja, Sweden hovers around 10°C (51°F). Expect a chilly minimum of -1°C (31°F) and a pleasant maximum reaching 22°C (72°F). This month witnesses approximately 70 mm (2.8 in) of precipitation spread over 12 days, contributing to an average humidity level of 88%.

September Temperature in Selja

In September in Selja, the average temperature is 10°C (51°F). The maximum can reach 22°C (72°F), and the minimum can be as low as -1°C (31°F). This variation in temperature suggests that travelers should pack layers to comfortably enjoy their stay.

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

The chart illustrates September temperature patterns in Selja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Selja, September typically has an average temperature of 10°C (51°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec242530374859615850423326
Data source: Temperature data for Selja 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 Selja

In Selja in September, the precipitation amount is 70 mm (2.8 in) over the course of 12 days.

September Precipitation Trends in Selja

The chart displays monthly precipitation patterns in Selja, 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 Selja, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec413943316173769270996366
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Selja

In Selja in September, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.

September Average Humidity in Selja

This chart illustrates the average monthly humidity levels in Selja, 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 Selja is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%91%85%77%76%75%80%89%93%96%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Selja

In Selja 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 Selja for better planning.

Maximum UV Index Levels in Selja for September

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

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

This table compares monthly weather conditions in Selja, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)41 mm (1.6 inches)97%low
February Weather-4°C (25°F)39 mm (1.5 inches)94%low
March Weather-1°C (30°F)43 mm (1.7 inches)91%moderate
April Weather3°C (38°F)31 mm (1.2 inches)85%moderate
May Weather9°C (48°F)61 mm (2.4 inches)77%moderate
June Weather15°C (59°F)73 mm (2.9 inches)76%high
July Weather16°C (61°F)76 mm (3.0 inches)74%high
August Weather15°C (58°F)92 mm (3.6 inches)80%moderate
September Weather10°C (51°F)70 mm (2.8 inches)88%moderate
October Weather5°C (42°F)99 mm (3.9 inches)93%low
November Weather1°C (34°F)63 mm (2.5 inches)96%low
December Weather-3°C (26°F)66 mm (2.6 inches)96%low

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