Sää Suomi:ssä kuussa syyskuu
Valtakunnalliset ilmaston normaalit 15 kaupungissa maassa Suomi.
How Hot Is Suomi in syyskuu?
Suomi's small geographic footprint means September is uniformly mild — typical 14°C highs nationwide.
Sunshine in Suomi in syyskuu
Persistent cloud and grey skies define Suomi's September: about 2.8h of sun a day in Helsinki. Daylight is in short supply too, running from 6:50 am to 7:40 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Suomi In syyskuu?
Suomi sees moderate rainfall in September — Helsinki averages 71mm across 12 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's September weather mixes sunny stretches with regular shower spells.
Is Suomi Humid In syyskuu?
Heavy oppressive humidity covers Suomi 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 Suomi In syyskuu
Suomi's September has gentle wind — Helsinki averages 17 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Suomi In syyskuu
Cloudy skies dominate Suomi in September — 69% cover in Helsinki, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.