September Weather in Tervola, Finland

Last updated: August 23, 2025

In Tervola, Finland, the average temperature in September hovers around 9°C (48°F), with a minimum dip to -7°C (20°F) and a maximum rise to 21°C (70°F). Expect approximately 73 mm (2.9 in) of precipitation over 12 days, contributing to an average humidity level of 89%. Prepare for a cool and damp month!

September Temperature in Tervola

In September in Tervola, the average temperature is 9°C (48°F), with a maximum that can reach 21°C (70°F) and a minimum that can be as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates September temperature patterns in Tervola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tervola, September typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (70°F) and lows dropping to around -7°C (20°F).

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

September Precipitation in Tervola

In Tervola in September, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

September Precipitation Trends in Tervola

The chart displays monthly precipitation patterns in Tervola, 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 Tervola, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 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 Tervola

In Tervola in September humidity is 89%. With an average temperature of 9°C (48°F), this humidity feels like a chill that lingers in the air, wrapping around you like a damp blanket, making outdoor activities challenging and encouraging a cozy retreat indoors.

September Average Humidity in Tervola

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

In Tervola 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 Tervola, you can check the information here.

Maximum UV Index Levels in Tervola for September

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

Data source: Tervola 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 Tervola Compares to Other Months

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

This table compares monthly weather conditions in Tervola, 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 (15°F)	49 mm (1.9 inches)	99%	low
February Weather	-9°C (15°F)	46 mm (1.8 inches)	97%	low
March Weather	-5°C (24°F)	50 mm (2.0 inches)	93%	low
April Weather	1°C (34°F)	39 mm (1.5 inches)	86%	moderate
May Weather	7°C (45°F)	52 mm (2.0 inches)	80%	moderate
June Weather	14°C (57°F)	67 mm (2.6 inches)	76%	high
July Weather	17°C (62°F)	68 mm (2.7 inches)	79%	high
August Weather	14°C (57°F)	94 mm (3.7 inches)	83%	moderate
September Weather	9°C (48°F)	73 mm (2.9 inches)	89%	moderate
October Weather	3°C (37°F)	86 mm (3.4 inches)	94%	low
November Weather	-2°C (28°F)	69 mm (2.7 inches)	94%	low
December Weather	-6°C (21°F)	68 mm (2.7 inches)	98%	low