September Weather in Vimpeli, Finland

Last updated: August 23, 2025

In September, the average temperature in Vimpeli, Finland is a brisk 10°C (50°F), with temperatures ranging from a chilly -4°C (25°F) to a delightful 23°C (73°F). Expect 72 mm (2.8 in) of precipitation over about 14 days, accompanied by high humidity levels averaging 89%. Prepare for a variety of weather conditions!

September Temperature in Vimpeli

In September in Vimpeli, the average temperature is 10°C (50°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures, ensuring to pack layers for both warm and chilly conditions.

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

The chart illustrates September temperature patterns in Vimpeli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vimpeli, September typically has an average temperature of 10°C (50°F), with highs reaching up to 23°C (73°F) and lows dropping to around -4°C (25°F).

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

September Precipitation in Vimpeli

In Vimpeli in September, the total precipitation amount is 72 mm (2.8 in) spread over the course of 14 days.

September Precipitation Trends in Vimpeli

The chart displays monthly precipitation patterns in Vimpeli, 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 Vimpeli, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 14 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 Vimpeli

In Vimpeli in September, humidity is 89%. With an average temperature of 10°C (50°F), this humidity feels like a dense blanket wrapping around you, making travel feel damp and chilly, and urging you to dress in layers for comfort.

September Average Humidity in Vimpeli

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

In Vimpeli 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 Vimpeli, you can check the information here.

Maximum UV Index Levels in Vimpeli for September

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

Data source: Vimpeli 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 Vimpeli Compares to Other Months

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

This table compares monthly weather conditions in Vimpeli, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	38 mm (1.5 inches)	97%	low
February Weather	-6°C (21°F)	40 mm (1.6 inches)	95%	low
March Weather	-3°C (28°F)	41 mm (1.6 inches)	92%	moderate
April Weather	2°C (36°F)	45 mm (1.8 inches)	85%	moderate
May Weather	9°C (48°F)	62 mm (2.4 inches)	77%	moderate
June Weather	15°C (60°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (62°F)	66 mm (2.6 inches)	79%	high
August Weather	15°C (59°F)	92 mm (3.6 inches)	82%	moderate
September Weather	10°C (50°F)	72 mm (2.8 inches)	89%	moderate
October Weather	5°C (40°F)	86 mm (3.4 inches)	93%	low
November Weather	0°C (33°F)	59 mm (2.3 inches)	93%	low
December Weather	-3°C (26°F)	48 mm (1.9 inches)	95%	low