Weather in USA in szeptember
Country-wide climate normals across 27 cities in USA.
How Hot Is USA in szeptember?
Hot weather dominates USA: September averages 28°C, with the warmest cities reaching 34°C.
Sunshine in USA in szeptember
USA's September brings mixed skies — New York City averages 4.9h of sun, with similar conditions nationwide. Cloudy periods alternate with sunny stretches, and the sun is up between 6:35 am and 7:05 pm. Plan for variability rather than guaranteed sunshine.
Does It Rain In USA In szeptember?
Heavy rain shapes USA's September: New York City averages 101mm across 9 days, and most regions of the country see similar persistent wet conditions. Long sunny stretches are rare. Expect rain on roughly two out of every three days.
Is USA Humid In szeptember?
Mugginess defines USA's September: humidity averages 64% in New York City, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In USA In szeptember
Light breezes are typical across USA in September: 18 kph in New York City, 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 USA In szeptember
Cloudy skies dominate USA in September — 52% cover in New York City, 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.