September Weather in Hyrynsalmi, Finland

Last updated: August 23, 2025

In Hyrynsalmi, Finland, the average temperature in September hovers around 8°C (47°F). During this time, temperatures can dip to a chilly -5°C (23°F) or rise as high as a pleasant 23°C (74°F). Expect precipitation of about 86 mm (3.4 in) over 13 days, accompanied by a high average humidity of 91%. Prepare for an intriguing mix of weather!

September Temperature in Hyrynsalmi

In September in Hyrynsalmi, the average temperature is 8°C (47°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as -5°C (23°F). Be prepared for a range of weather conditions when traveling during this time.

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

The chart illustrates September temperature patterns in Hyrynsalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hyrynsalmi, September typically has an average temperature of 8°C (47°F), with highs reaching up to 23°C (74°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Hyrynsalmi

In Hyrynsalmi, in September, the precipitation amount is 86 mm (3.4 in) over the course of 13 days.

September Precipitation Trends in Hyrynsalmi

The chart displays monthly precipitation patterns in Hyrynsalmi, 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 Hyrynsalmi, September typically receives around 86 mm (3.4 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 Hyrynsalmi

In Hyrynsalmi 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 Hyrynsalmi

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

In Hyrynsalmi 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 Hyrynsalmi, you can check the information here.

Maximum UV Index Levels in Hyrynsalmi for September

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

Data source: Hyrynsalmi 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 Hyrynsalmi Compares to Other Months

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

This table compares monthly weather conditions in Hyrynsalmi, 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 (17°F)	46 mm (1.8 inches)	101%	low
February Weather	-9°C (15°F)	41 mm (1.6 inches)	99%	low
March Weather	-5°C (23°F)	48 mm (1.9 inches)	94%	low
April Weather	1°C (33°F)	43 mm (1.7 inches)	88%	moderate
May Weather	6°C (44°F)	58 mm (2.3 inches)	83%	moderate
June Weather	14°C (57°F)	73 mm (2.9 inches)	79%	high
July Weather	16°C (61°F)	87 mm (3.4 inches)	83%	high
August Weather	13°C (56°F)	106 mm (4.2 inches)	87%	moderate
September Weather	8°C (47°F)	86 mm (3.4 inches)	91%	moderate
October Weather	3°C (37°F)	88 mm (3.5 inches)	96%	low
November Weather	-2°C (29°F)	77 mm (3.0 inches)	96%	low
December Weather	-6°C (22°F)	66 mm (2.6 inches)	100%	low