September Weather in Soini, Finland

Last updated: August 23, 2025

In September, the average temperature in Soini, Finland hovers around 9°C (49°F), with fluctuations ranging from a chilly -5°C (24°F) to a comfortable 22°C (73°F). Expect 77 mm (3.0 in) of precipitation spread over approximately 14 days, complemented by an average humidity level of 89%. Make sure to prepare accordingly for the diverse weather!

September Temperature in Soini

In September in Soini, the average temperature is 9°C (49°F). Maximums can reach 22°C (73°F), while minimums can drop as low as -5°C (24°F). Be prepared for a mix of mild and chilly weather, making it a great time for layered clothing and outdoor exploration.

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

The chart illustrates September temperature patterns in Soini, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soini, September typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (73°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Soini generated using information from the Copernicus Climate Change Service.

September Precipitation in Soini

In Soini in September, the precipitation amount is 77 mm (3.0 in) over the course of 14 days.

September Precipitation Trends in Soini

The chart displays monthly precipitation patterns in Soini, 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 Soini, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Soini

In Soini in September, humidity is 89%. With an average temperature of 9°C (49°F), this humidity feels like a persistent dampness that clings to your clothes and skin, making it challenging to stay comfortable while traveling.

September Average Humidity in Soini

This chart illustrates the average monthly humidity levels in Soini, 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 Soini is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Soini

In Soini 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 Soini, you can check the information here.

Maximum UV Index Levels in Soini for September

The chart shows the monthly maximum UV Index (UVI) for Soini 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 Soini typically reaches 3, which falls under the moderate exposure category.

Data source: Soini 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 Soini Compares to Other Months

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

This table compares monthly weather conditions in Soini, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	44 mm (1.7 inches)	97%	low
February Weather	-6°C (21°F)	43 mm (1.7 inches)	95%	low
March Weather	-3°C (27°F)	43 mm (1.7 inches)	92%	moderate
April Weather	2°C (35°F)	47 mm (1.9 inches)	85%	moderate
May Weather	9°C (48°F)	64 mm (2.5 inches)	77%	moderate
June Weather	15°C (60°F)	67 mm (2.6 inches)	74%	high
July Weather	16°C (62°F)	69 mm (2.7 inches)	79%	high
August Weather	14°C (58°F)	93 mm (3.7 inches)	82%	moderate
September Weather	9°C (49°F)	77 mm (3.0 inches)	89%	moderate
October Weather	4°C (40°F)	79 mm (3.1 inches)	93%	low
November Weather	0°C (33°F)	65 mm (2.6 inches)	93%	low
December Weather	-4°C (26°F)	57 mm (2.3 inches)	95%	low