September Weather in Pello, Finland

Last updated: August 23, 2025

In September, the average temperature in Pello, Finland hovers around 8°C (47°F), with minimums dipping to a chilly -7°C (19°F) and maximums reaching a pleasant 20°C (69°F). Expect about 62 mm (2.5 in) of precipitation spread over 10 days, accompanied by a high average humidity of 91%.

September Temperature in Pello

In September in Pello, the average temperature is 8°C (47°F). The maximum can reach 20°C (69°F), and the minimum can be as low as -7°C (19°F). Be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Pello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pello, September typically has an average temperature of 8°C (47°F), with highs reaching up to 20°C (69°F) and lows dropping to around -7°C (19°F).

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

September Precipitation in Pello

In Pello in September, the total precipitation amount is 62 mm (2.5 in) over the course of 10 days.

September Precipitation Trends in Pello

The chart displays monthly precipitation patterns in Pello, 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 Pello, September typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 10 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 Pello

In Pello 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 Pello

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

In Pello 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 Pello, you can check the information here.

Maximum UV Index Levels in Pello for September

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

Data source: Pello 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 Pello Compares to Other Months

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

This table compares monthly weather conditions in Pello, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (13°F)	41 mm (1.6 inches)	101%	low
February Weather	-10°C (14°F)	36 mm (1.4 inches)	99%	low
March Weather	-5°C (23°F)	42 mm (1.6 inches)	92%	low
April Weather	0°C (33°F)	33 mm (1.3 inches)	86%	moderate
May Weather	7°C (44°F)	50 mm (2.0 inches)	82%	moderate
June Weather	13°C (57°F)	69 mm (2.7 inches)	78%	moderate
July Weather	16°C (61°F)	72 mm (2.8 inches)	83%	moderate
August Weather	13°C (56°F)	92 mm (3.6 inches)	87%	moderate
September Weather	8°C (47°F)	62 mm (2.5 inches)	91%	moderate
October Weather	1°C (35°F)	91 mm (3.6 inches)	96%	low
November Weather	-4°C (25°F)	59 mm (2.3 inches)	98%	low
December Weather	-8°C (19°F)	60 mm (2.4 inches)	101%	low