September Weather in Vehmersalmi, Finland

Last updated: August 23, 2025

In September, the average temperature in Vehmersalmi, Finland is a comfortable 10°C (51°F). Expect minimums of 0°C (33°F) and maximums of 22°C (72°F), perfect for enjoying varied outdoor activities. However, be prepared for 90 mm (3.6 in) of rain over 15 days, contributing to the region's high average humidity of 92%.

September Temperature in Vehmersalmi

In September in Vehmersalmi, the average temperature is 10°C (51°F). Maximums can reach 22°C (72°F), while minimums can drop as low as 0°C (33°F). Be sure to pack layers to stay comfortable while exploring the area's diverse climate.

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

The chart illustrates September temperature patterns in Vehmersalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vehmersalmi, September typically has an average temperature of 10°C (51°F), with highs reaching up to 22°C (72°F) and lows dropping to around 0°C (33°F).

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

September Precipitation in Vehmersalmi

In Vehmersalmi in September, the total precipitation amount is 90 mm (3.6 in) over the course of 15 days.

September Precipitation Trends in Vehmersalmi

The chart displays monthly precipitation patterns in Vehmersalmi, 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 Vehmersalmi, September typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 15 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 Vehmersalmi

In Vehmersalmi in September humidity is 92%. With average temperature 10°C (51°F), this humidity feels like walking through a thick blanket of moisture, making travel uncomfortable and sticky, as each step is met with an oppressive dampness that clings to your skin and leaves you yearning for a cool breeze.

September Average Humidity in Vehmersalmi

This chart illustrates the average monthly humidity levels in Vehmersalmi, 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 Vehmersalmi is approximately 92%, 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 Vehmersalmi

In Vehmersalmi 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 Vehmersalmi, you can check the information here.

Maximum UV Index Levels in Vehmersalmi for September

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

Data source: Vehmersalmi 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 Vehmersalmi Compares to Other Months

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

This table compares monthly weather conditions in Vehmersalmi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	48 mm (1.9 inches)	99%	low
February Weather	-7°C (20°F)	42 mm (1.7 inches)	98%	low
March Weather	-3°C (27°F)	44 mm (1.7 inches)	95%	moderate
April Weather	2°C (35°F)	41 mm (1.6 inches)	87%	moderate
May Weather	8°C (47°F)	58 mm (2.3 inches)	78%	moderate
June Weather	15°C (60°F)	65 mm (2.5 inches)	75%	high
July Weather	17°C (63°F)	82 mm (3.2 inches)	83%	high
August Weather	15°C (60°F)	95 mm (3.8 inches)	88%	moderate
September Weather	10°C (51°F)	90 mm (3.6 inches)	92%	moderate
October Weather	5°C (42°F)	82 mm (3.2 inches)	95%	low
November Weather	1°C (34°F)	72 mm (2.8 inches)	94%	low
December Weather	-4°C (26°F)	68 mm (2.7 inches)	98%	low