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September Weather in Ylihaermae, Finland

Last updated: August 23, 2025

In September, the average temperature in Ylihaermae, Finland hovers around 10°C (51°F). Expect chilly lows of -3°C (27°F) and warm highs reaching up to 24°C (75°F). This month typically sees about 71 mm (2.8 in) of precipitation spread over 12 days, with an average humidity of 89%. Pack accordingly!

September Temperature in Ylihaermae

In September in Ylihaermae, the average temperature is 10°C (51°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -3°C (27°F). It's a great time for travelers to experience the chilly yet refreshing weather while exploring the local attractions.

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

The chart illustrates September temperature patterns in Ylihaermae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ylihaermae, September typically has an average temperature of 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec242228374859635950413427
Data source: Temperature data for Ylihaermae 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 Ylihaermae

In Ylihaermae in September, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.

September Precipitation Trends in Ylihaermae

The chart displays monthly precipitation patterns in Ylihaermae, 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 Ylihaermae, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec374042455660699671865847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ylihaermae

In Ylihaermae in September humidity is 89%. With an average temperature of 10°C (51°F), this humidity feels like traveling through a thick fog, where the damp air clings to your skin, making the coolness feel even chillier and adding an element of discomfort to your adventures.

September Average Humidity in Ylihaermae

This chart illustrates the average monthly humidity levels in Ylihaermae, 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 Ylihaermae is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ylihaermae

In Ylihaermae in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Ylihaermae, you can check the information here.

Maximum UV Index Levels in Ylihaermae for September

The chart shows the monthly maximum UV Index (UVI) for Ylihaermae 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 Ylihaermae typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Ylihaermae 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 Ylihaermae Compares to Other Months

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

This table compares monthly weather conditions in Ylihaermae, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)37 mm (1.4 inches)97%low
February Weather-6°C (22°F)40 mm (1.6 inches)95%low
March Weather-2°C (29°F)42 mm (1.6 inches)92%low
April Weather3°C (37°F)44 mm (1.8 inches)85%moderate
May Weather9°C (48°F)56 mm (2.2 inches)77%moderate
June Weather15°C (60°F)60 mm (2.4 inches)74%high
July Weather17°C (63°F)69 mm (2.7 inches)79%high
August Weather15°C (59°F)96 mm (3.8 inches)82%moderate
September Weather10°C (51°F)71 mm (2.8 inches)89%moderate
October Weather5°C (41°F)86 mm (3.4 inches)93%low
November Weather1°C (34°F)58 mm (2.3 inches)93%low
December Weather-3°C (27°F)46 mm (1.8 inches)95%low

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