Weather in Japonsko in září
Country-wide climate normals across 64 cities in Japonsko.
How Hot Is Japonsko in září?
Japonsko's September is consistently warm — typical 27°C, with no major regional outliers.
Sunshine in Japonsko in září
Japonsko sees limited sun in September: just 2.5h a day in Tokyo, with heavy cloud cover common across most regions. Daylight runs from 5:25 am to 5:45 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Japonsko In září?
Japonsko 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 Japonsko Humid In září?
Japonsko's September is humid — 75% on average in Tokyo, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Japonsko In září
Light breezes are typical across Japonsko 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 Japonsko In září
Cloudy skies dominate Japonsko 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.