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September Weather in Sottunga, Åland Islands

Last updated: August 22, 2025

In September, the average temperature in Sottunga, Åland Islands hovers around 14°C (57°F), with a low of 8°C (47°F) and a high of 20°C (68°F). Expect 74 mm (2.9 in) of precipitation spread over about 12 days, contributing to an average humidity level of 86%. Perfect for cozy indoor activities or adventurous outings in nature!

September Temperature in Sottunga

In September in Sottunga, the average temperature is 14°C (57°F), with maximums reaching 20°C (68°F) and minimums dropping to as low as 8°C (47°F). It's an ideal time for travelers seeking mild weather and comfortable conditions for outdoor activities.

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

The chart illustrates September temperature patterns in Sottunga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sottunga, September typically has an average temperature of 14°C (57°F), with highs reaching up to 20°C (68°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec343233374556626357494337
Data source: Temperature data for Sottunga 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 Sottunga

In Sottunga in September, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

September Precipitation Trends in Sottunga

The chart displays monthly precipitation patterns in Sottunga, 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 Sottunga, September typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4737382637303857741036483
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sottunga

In Sottunga in September humidity is 86%. With an average temperature of 14°C (57°F), this humidity feels like a heavy blanket enveloping you, making travel feel oppressive and uncomfortably sticky.

September Average Humidity in Sottunga

This chart illustrates the average monthly humidity levels in Sottunga, 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 Sottunga is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sottunga

In Sottunga 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 Sottunga for better planning.

Maximum UV Index Levels in Sottunga for September

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

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

This table compares monthly weather conditions in Sottunga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)47 mm (1.9 inches)92%low
February Weather0°C (32°F)37 mm (1.5 inches)90%low
March Weather1°C (34°F)38 mm (1.5 inches)89%moderate
April Weather3°C (38°F)26 mm (1.0 inches)85%moderate
May Weather7°C (45°F)37 mm (1.4 inches)77%moderate
June Weather13°C (56°F)30 mm (1.2 inches)78%high
July Weather17°C (62°F)38 mm (1.5 inches)78%high
August Weather17°C (63°F)57 mm (2.2 inches)79%moderate
September Weather14°C (57°F)74 mm (2.9 inches)86%moderate
October Weather9°C (49°F)103 mm (4.1 inches)90%low
November Weather6°C (43°F)64 mm (2.5 inches)91%low
December Weather3°C (37°F)82 mm (3.2 inches)89%low

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