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September Weather in Lumparland, Åland Islands

Last updated: August 22, 2025

In September, the average temperature in Lumparland, Åland Islands hovers around 14°C (57°F). Expect minimums of 8°C (46°F) and maximums reaching 20°C (68°F). During this month, precipitation averages 61 mm (2.4 in) spread over 12 days, contributing to a relatively high average humidity of 85%.

September Temperature in Lumparland

In September in Lumparland, the average temperature is 14°C (57°F), with maximums reaching up to 20°C (68°F) and minimums dipping as low as 8°C (46°F). This mild climate makes it an ideal time for outdoor adventures and exploring the local attractions.

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

The chart illustrates September temperature patterns in Lumparland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lumparland, 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 (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec353334384556636357494337
Data source: Temperature data for Lumparland 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 Lumparland

In Lumparland in September, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.

September Precipitation Trends in Lumparland

The chart displays monthly precipitation patterns in Lumparland, 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 Lumparland, September typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec483836243628425561945779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lumparland

In Lumparland in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Lumparland

This chart illustrates the average monthly humidity levels in Lumparland, 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 Lumparland is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%89%88%84%86%86%85%85%87%87%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lumparland

In Lumparland 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 Lumparland for better planning.

Maximum UV Index Levels in Lumparland for September

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

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

This table compares monthly weather conditions in Lumparland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)48 mm (1.9 inches)88%low
February Weather0°C (33°F)38 mm (1.5 inches)87%low
March Weather1°C (34°F)36 mm (1.4 inches)89%moderate
April Weather3°C (38°F)24 mm (1.0 inches)87%moderate
May Weather7°C (45°F)36 mm (1.4 inches)84%moderate
June Weather13°C (57°F)28 mm (1.1 inches)86%high
July Weather17°C (63°F)42 mm (1.7 inches)86%high
August Weather17°C (63°F)55 mm (2.2 inches)85%moderate
September Weather14°C (57°F)61 mm (2.4 inches)85%moderate
October Weather9°C (49°F)94 mm (3.7 inches)87%low
November Weather6°C (44°F)57 mm (2.3 inches)87%low
December Weather3°C (38°F)79 mm (3.1 inches)84%low

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