September Weather in Suodenniemi, Finland

Last updated: August 23, 2025

In Suodenniemi, Finland, the average temperature in September is a refreshing 11°C (52°F), with temperatures ranging from a chilly -2°C (29°F) to a warm 24°C (75°F). Expect about 66 mm (2.6 in) of precipitation spread over 12 days, contributing to an impressive average humidity of 90%. Perfect for those who enjoy a cool, wet climate!

September Temperature in Suodenniemi

In September in Suodenniemi, the average temperature is 11°C (52°F). Maximum temperatures can reach 24°C (75°F) and minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates September temperature patterns in Suodenniemi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suodenniemi, September typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around -2°C (29°F).

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

September Precipitation in Suodenniemi

In Suodenniemi in September, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.

September Precipitation Trends in Suodenniemi

The chart displays monthly precipitation patterns in Suodenniemi, 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 Suodenniemi, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Suodenniemi

In Suodenniemi in September, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

September Average Humidity in Suodenniemi

This chart illustrates the average monthly humidity levels in Suodenniemi, 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 Suodenniemi is approximately 90%, 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 Suodenniemi

In Suodenniemi 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 Suodenniemi, you can check the information here.

Maximum UV Index Levels in Suodenniemi for September

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

Data source: Suodenniemi 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 Suodenniemi Compares to Other Months

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

This table compares monthly weather conditions in Suodenniemi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	45 mm (1.8 inches)	97%	low
February Weather	-5°C (24°F)	41 mm (1.6 inches)	95%	low
March Weather	-1°C (30°F)	44 mm (1.7 inches)	93%	moderate
April Weather	4°C (39°F)	42 mm (1.7 inches)	86%	moderate
May Weather	10°C (50°F)	51 mm (2.0 inches)	75%	moderate
June Weather	16°C (61°F)	65 mm (2.6 inches)	75%	high
July Weather	17°C (64°F)	79 mm (3.1 inches)	80%	high
August Weather	16°C (60°F)	97 mm (3.8 inches)	83%	moderate
September Weather	11°C (52°F)	66 mm (2.6 inches)	90%	moderate
October Weather	6°C (43°F)	78 mm (3.1 inches)	93%	low
November Weather	2°C (36°F)	59 mm (2.3 inches)	94%	low
December Weather	-2°C (29°F)	63 mm (2.5 inches)	95%	low