Weather in Japão in setembro
Country-wide climate normals across 64 cities in Japão.
How Hot Is Japão in setembro?
Japão's September is consistently warm — typical 27°C, with no major regional outliers.
Sunshine in Japão in setembro
Dark, overcast days dominate Japão in September — Tokyo sees just 2.5h of sun a day, and the pattern is similar across most regions. Cloud cover is heavy and persistent, with even the brighter regions struggling to escape the gloom for long.
Does It Rain In Japão In setembro?
Heavy seasonal rains saturate Japão in September — Tokyo averages 242mm of rain across 15 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Japão Humid In setembro?
Mugginess defines Japão'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 Japão In setembro
Gentle steady winds define Japão's September: Tokyo averages 16 kph, with conditions consistent across most regions. The breeze keeps warm days bearable without being a nuisance.
Cloud Cover In Japão In setembro
Japão 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.