Last updated: August 23, 2025
In September, the average temperature in Kannus, Finland is a mild 10°C (50°F). Temperatures can vary significantly, with a minimum of -5°C (24°F) and a pleasant maximum of 23°C (74°F). Expect about 79 mm (3.1 in) of precipitation spread over 11 days, contributing to an average humidity of 89%.
In September in Kannus, the average temperature is 10°C (50°F). Maximums can reach 23°C (74°F) and minimums can be as low as -5°C (24°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Kannus in September, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.
In Kannus 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.
In Kannus 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 Kannus, you can check the information here.
UV Risk Categories
Weather in Kannus varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kannus, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 37 mm (1.4 inches) | 97% | low |
February Weather | -7°C (20°F) | 40 mm (1.6 inches) | 95% | low |
March Weather | -3°C (27°F) | 38 mm (1.5 inches) | 92% | low |
April Weather | 2°C (37°F) | 40 mm (1.6 inches) | 85% | moderate |
May Weather | 8°C (47°F) | 60 mm (2.3 inches) | 77% | moderate |
June Weather | 15°C (59°F) | 61 mm (2.4 inches) | 74% | high |
July Weather | 17°C (63°F) | 77 mm (3.0 inches) | 79% | high |
August Weather | 15°C (59°F) | 101 mm (4.0 inches) | 82% | moderate |
September Weather | 10°C (50°F) | 79 mm (3.1 inches) | 89% | moderate |
October Weather | 4°C (40°F) | 85 mm (3.3 inches) | 93% | low |
November Weather | 0°C (32°F) | 58 mm (2.3 inches) | 93% | low |
December Weather | -4°C (26°F) | 48 mm (1.9 inches) | 95% | low |