Weather in アメリカ in 9月
Country-wide climate normals across 27 cities in アメリカ.
How Hot Is アメリカ in 9月?
アメリカ runs hot in September: typical highs of 28°C across most cities, with New York City representative. Regional variation: 21°C to 34°C.
Sunshine in アメリカ in 9月
Variable weather dominates アメリカ in September: 4.9h of direct sun on a typical day in New York City, with daylight from 6:35 am to 7:05 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In アメリカ In 9月?
アメリカ's September is wet across most regions: 101mm in New York City across 9 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is アメリカ Humid In 9月?
アメリカ feels humid through September: 64% in New York City, similar nationwide. Warm days feel several degrees hotter than the thermometer suggests, and morning mist or post-rain steam is common. Drier upland or interior regions may feel a bit less oppressive.
Wind In アメリカ In 9月
アメリカ's September has gentle wind — New York City averages 18 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In アメリカ In 9月
Cloudy skies dominate アメリカ 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.