Weather in Japāna in septembris
Country-wide climate normals across 64 cities in Japāna.
How Hot Is Japāna in septembris?
Japāna's September is consistently warm — typical 27°C, with no major regional outliers.
Sunshine in Japāna in septembris
Limited sunshine and short daylight define Japāna's September: Tokyo averages just 2.5h of direct sun, with the sun up between 5:25 am and 5:45 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Japāna In septembris?
Monsoon-like conditions dominate Japāna's September: Tokyo sees 242mm of rain across 15 days, similar nationwide. Heavy showers fall almost daily, often in dramatic afternoon downpours. Sunshine is brief between storms, and humidity stays high throughout the month.
Is Japāna Humid In septembris?
Mugginess defines Japāna'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 Japāna In septembris
Light breezes are typical across Japāna in September: 16 kph in Tokyo, 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 Japāna In septembris
Cloudy skies dominate Japāna in September — 69% cover in Tokyo, 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.