Weather in Polen in September
Country-wide climate normals across 15 cities in Polen.
How Hot Is Polen in September?
Polen's September is consistently warm — typical 20°C, with no major regional outliers.
Sunshine in Polen in September
Polen's September brings mixed skies — Warsaw averages 4.1h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 6:10 am and 6:50 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In Polen In September?
Polen sees moderate rainfall in September — Warsaw averages 69mm across 10 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 Polen Humid In September?
Polen's September is humid — 68% on average in Warsaw, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Polen In September
Gentle steady winds define Polen's September: Warsaw averages 17 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Polen In September
Polen sees mostly cloudy weather through September: Warsaw averages 58% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.