Last updated: August 23, 2025
In September, the average temperature in Maenttae, Finland hovers around 10°C (51°F). Expect some variability, with temperatures dipping to a minimum of -3°C (28°F) and peaking at a pleasant 23°C (73°F). Be prepared for wet weather, as 69 mm (2.7 in) of precipitation is likely over 13 days, accompanied by a high average humidity of 90%.
In September in Maenttae, the average temperature is 10°C (51°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop as low as -3°C (28°F). This weather makes Maenttae a versatile destination, so travelers should pack both warm and light clothing to enjoy all that the area has to offer.
In Maenttae in September, the precipitation amount is 69 mm (2.7 in) over the course of 13 days.
In Maenttae in September, humidity is 90%. With an average temperature of 10°C (51°F), this humidity feels like you are wrapped in a damp blanket, making traveling quite uncomfortable and sticky, as the air hangs heavy around you, often leading to fatigue and a longing for cooler, drier conditions.
In Maenttae 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 Maenttae, you can check the information here.
UV Risk Categories
Weather in Maenttae varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Maenttae, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 46 mm (1.8 inches) | 97% | low |
| February Weather | -6°C (22°F) | 41 mm (1.6 inches) | 95% | low |
| March Weather | -2°C (28°F) | 41 mm (1.6 inches) | 93% | moderate |
| April Weather | 3°C (37°F) | 45 mm (1.8 inches) | 86% | moderate |
| May Weather | 9°C (49°F) | 58 mm (2.3 inches) | 75% | moderate |
| June Weather | 16°C (61°F) | 61 mm (2.4 inches) | 75% | high |
| July Weather | 17°C (63°F) | 66 mm (2.6 inches) | 80% | high |
| August Weather | 15°C (60°F) | 93 mm (3.7 inches) | 83% | moderate |
| September Weather | 10°C (51°F) | 69 mm (2.7 inches) | 90% | moderate |
| October Weather | 5°C (42°F) | 75 mm (3.0 inches) | 93% | low |
| November Weather | 1°C (35°F) | 60 mm (2.4 inches) | 94% | low |
| December Weather | -3°C (27°F) | 66 mm (2.6 inches) | 95% | low |