Weather in Phần Lan in Tháng 9
Country-wide climate normals across 15 cities in Phần Lan.
How Hot Is Phần Lan in Tháng 9?
Mild conditions are universal across Phần Lan in September: highs near 14°C in Helsinki, similar elsewhere.
Sunshine in Phần Lan in Tháng 9
Dark, overcast days dominate Phần Lan in September — Helsinki sees just 2.8h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Phần Lan In Tháng 9?
Moderate rainfall defines Phần Lan's September: Helsinki averages 71mm across 12 days. Some regions see meaningfully wetter weather, especially coastal or mountain-facing areas, while continental interiors tend toward the drier end of the spectrum.
Is Phần Lan Humid In Tháng 9?
Heavy oppressive humidity covers Phần Lan in September: 80% on average in Helsinki, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Phần Lan In Tháng 9
Light breezes are typical across Phần Lan in September: 17 kph in Helsinki, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Phần Lan In Tháng 9
Phần Lan sees mostly cloudy weather through September: Helsinki averages 69% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.