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September Weather in Slaka, Sweden

Last updated: August 27, 2025

In September, the average temperature in Slaka, Sweden hovers around 12°C (55°F). You can expect temperatures to range from a chilly -1°C (30°F) to a warm 25°C (77°F). Additionally, prepare for 72 mm (2.8 in) of precipitation over 11 days, and experience an average humidity of 83%.

September Temperature in Slaka

In September in Slaka, the average temperature is 12°C (55°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -1°C (30°F). Be sure to pack layers to comfortably enjoy all that Slaka has to offer during this varied weather!

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

The chart illustrates September temperature patterns in Slaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slaka, September typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec323135425162646254463934
Data source: Temperature data for Slaka 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 Slaka

In Slaka in September, the precipitation amount is 72 mm (2.8 in) over the course of 11 days.

September Precipitation Trends in Slaka

The chart displays monthly precipitation patterns in Slaka, 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 Slaka, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec363747335961677972684748
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Slaka

In Slaka in September humidity is 83%. With an average temperature of 12°C (55°F), this humidity feels like a cool, damp embrace that makes exploring the area both refreshing and slightly uncomfortable, requiring travelers to dress in layers and stay hydrated.

September Average Humidity in Slaka

This chart illustrates the average monthly humidity levels in Slaka, 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 Slaka is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Slaka

In Slaka 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 Slaka for better planning.

Maximum UV Index Levels in Slaka for September

The chart shows the monthly maximum UV Index (UVI) for Slaka 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 Slaka typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Slaka 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 Slaka Compares to Other Months

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

This table compares monthly weather conditions in Slaka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)36 mm (1.4 inches)91%low
February Weather0°C (31°F)37 mm (1.5 inches)89%low
March Weather2°C (35°F)47 mm (1.8 inches)88%moderate
April Weather5°C (42°F)33 mm (1.3 inches)82%moderate
May Weather11°C (52°F)59 mm (2.3 inches)71%moderate
June Weather17°C (62°F)61 mm (2.4 inches)69%high
July Weather18°C (64°F)67 mm (2.6 inches)67%high
August Weather16°C (62°F)78 mm (3.1 inches)72%high
September Weather12°C (55°F)72 mm (2.8 inches)83%moderate
October Weather8°C (47°F)68 mm (2.7 inches)89%low
November Weather4°C (40°F)47 mm (1.8 inches)91%low
December Weather1°C (34°F)48 mm (1.9 inches)90%low

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