September Weather in Puolanka, Finland

Last updated: August 23, 2025

In September, the average temperature in Puolanka, Finland hovers around 8°C (47°F). Expect a wide range, with minimums dropping to -6°C (21°F) and maximums climbing to 23°C (74°F). Prepare for wet weather, as 85 mm (3.3 in) of precipitation is likely over about 13 days, and keep in mind the average humidity is a high 91%.

September Temperature in Puolanka

In September in Puolanka, the average temperature is 8°C (47°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and light clothing for your travels.

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

The chart illustrates September temperature patterns in Puolanka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puolanka, September typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -6°C (21°F).

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

September Precipitation in Puolanka

In Puolanka in September, the precipitation amount is 85 mm (3.3 in) spread over 13 days.

September Precipitation Trends in Puolanka

The chart displays monthly precipitation patterns in Puolanka, 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 Puolanka, September typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 13 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 Puolanka

In Puolanka in September, humidity is 91%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making it important to dress in layers while traveling.

September Average Humidity in Puolanka

This chart illustrates the average monthly humidity levels in Puolanka, 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 Puolanka is approximately 91%, 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 Puolanka

In Puolanka 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 Puolanka, you can check the information here.

Maximum UV Index Levels in Puolanka for September

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

Data source: Puolanka 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 Puolanka Compares to Other Months

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

This table compares monthly weather conditions in Puolanka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	47 mm (1.8 inches)	101%	low
February Weather	-9°C (16°F)	44 mm (1.7 inches)	99%	low
March Weather	-5°C (24°F)	51 mm (2.0 inches)	94%	low
April Weather	1°C (33°F)	45 mm (1.8 inches)	88%	moderate
May Weather	6°C (44°F)	57 mm (2.2 inches)	83%	moderate
June Weather	14°C (57°F)	74 mm (2.9 inches)	79%	high
July Weather	16°C (61°F)	92 mm (3.6 inches)	83%	high
August Weather	13°C (56°F)	111 mm (4.4 inches)	87%	moderate
September Weather	8°C (47°F)	85 mm (3.3 inches)	91%	moderate
October Weather	3°C (37°F)	92 mm (3.6 inches)	96%	low
November Weather	-2°C (29°F)	82 mm (3.2 inches)	96%	low
December Weather	-6°C (22°F)	67 mm (2.7 inches)	100%	low