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September Weather in Houtskaer, Finland

Last updated: August 23, 2025

In September, the average temperature in Houtskaer, Finland hovers around 14°C (57°F), making it a pleasant time to visit. Expect cool evenings with a minimum temperature of 8°C (46°F) and comfortable afternoons reaching a maximum of 20°C (68°F). However, with an average precipitation of 78 mm (3.1 in) over 12 days, don't forget your umbrella! The air is quite humid, with an average humidity level of 86%, so be prepared for a bit of mugginess as well.

September Temperature in Houtskaer

In September in Houtskaer, 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 Houtskaer: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Houtskaer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Houtskaer, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333032374657636357494336
Data source: Temperature data for Houtskaer 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 Houtskaer

In Houtskaer in September, the precipitation amount is 78 mm (3.1 in), occurring over a span of 12 days.

September Precipitation Trends in Houtskaer

The chart displays monthly precipitation patterns in Houtskaer, 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 Houtskaer, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4839392637324366781067190
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Houtskaer

In Houtskaer 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 Houtskaer

This chart illustrates the average monthly humidity levels in Houtskaer, 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 Houtskaer 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 Houtskaer

In Houtskaer 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 Houtskaer for better planning.

Maximum UV Index Levels in Houtskaer for September

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

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

This table compares monthly weather conditions in Houtskaer, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)48 mm (1.9 inches)92%low
February Weather-1°C (30°F)39 mm (1.5 inches)90%low
March Weather0°C (33°F)39 mm (1.5 inches)89%moderate
April Weather3°C (38°F)26 mm (1.0 inches)85%moderate
May Weather8°C (46°F)36 mm (1.4 inches)77%moderate
June Weather14°C (57°F)32 mm (1.3 inches)78%high
July Weather17°C (63°F)43 mm (1.7 inches)78%high
August Weather17°C (63°F)66 mm (2.6 inches)79%moderate
September Weather14°C (57°F)78 mm (3.1 inches)86%moderate
October Weather9°C (49°F)106 mm (4.2 inches)90%low
November Weather6°C (43°F)71 mm (2.8 inches)91%low
December Weather2°C (37°F)90 mm (3.5 inches)89%low

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