September Weather in Vuolijoki, Finland

Last updated: August 23, 2025

In September, the average temperature in Vuolijoki, Finland hovers around 9°C (48°F), with a minimum dipping to -4°C (25°F) and a maximum peaking at 23°C (73°F). Expect 80 mm (3.2 in) of precipitation spread across 13 days, contributing to a notable average humidity of 90%.

September Temperature in Vuolijoki

In September in Vuolijoki, the average temperature is 9°C (48°F). Maximums can reach 23°C (73°F), and minimums can be as low as -4°C (25°F). This weather makes it a great time for travelers to enjoy outdoor activities while being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Vuolijoki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vuolijoki, September typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -4°C (25°F).

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

September Precipitation in Vuolijoki

In Vuolijoki in September, the precipitation amount is 80 mm (3.2 in) spread over 13 days.

September Precipitation Trends in Vuolijoki

The chart displays monthly precipitation patterns in Vuolijoki, 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 Vuolijoki, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 13 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 Vuolijoki

In Vuolijoki in September, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.

September Average Humidity in Vuolijoki

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

In Vuolijoki 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 Vuolijoki, you can check the information here.

Maximum UV Index Levels in Vuolijoki for September

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

Data source: Vuolijoki 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 Vuolijoki Compares to Other Months

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

This table compares monthly weather conditions in Vuolijoki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	43 mm (1.7 inches)	100%	low
February Weather	-8°C (17°F)	40 mm (1.6 inches)	98%	low
March Weather	-4°C (25°F)	43 mm (1.7 inches)	95%	moderate
April Weather	1°C (34°F)	42 mm (1.6 inches)	87%	moderate
May Weather	8°C (46°F)	53 mm (2.1 inches)	81%	moderate
June Weather	15°C (58°F)	67 mm (2.6 inches)	77%	high
July Weather	16°C (62°F)	96 mm (3.8 inches)	79%	high
August Weather	14°C (58°F)	95 mm (3.7 inches)	84%	moderate
September Weather	9°C (48°F)	80 mm (3.2 inches)	90%	moderate
October Weather	4°C (39°F)	84 mm (3.3 inches)	95%	low
November Weather	-1°C (31°F)	70 mm (2.7 inches)	95%	low
December Weather	-5°C (24°F)	55 mm (2.2 inches)	99%	low