Weather in 日本 in 9月
Country-wide climate normals across 64 cities in 日本.
How Hot Is 日本 in 9月?
Uniform warmth covers 日本 in September: highs near 27°C across all cities.
Sunshine in 日本 in 9月
Persistent cloud and grey skies define 日本's September: about 2.5h of sun a day in Tokyo. Daylight is in short supply too, running from 5:25 am to 5:45 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In 日本 In 9月?
日本 is in the heart of its rainy season: Tokyo measures 242mm of rain across 15 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is 日本 Humid In 9月?
Mugginess defines 日本's September: humidity averages 75% in Tokyo, 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 日本 In 9月
日本's September has gentle wind — Tokyo averages 16 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In 日本 In 9月
日本 sees mostly cloudy weather through September: Tokyo averages 69% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.