Is Kokubu-matsuki hot in September?
Days are typically hot at 30.3°C, while nights average 22.9°C.
Japan · 1991–2020 normal
Kokubu-matsuki in
September.
Typical September weather in Kokubu-matsuki: 30.3°C by day, 22.9°C at night, 273 mm of rain over 12.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.3°C
Typical low22.9°C
Rain273 mm
Wet days12.1
In the year-round weather comparison, September scores 23 out of 100 (October leads the year at 73). Daylight is calculated as 12 h 19 from latitude 31.73°. Open-water sea temperature is 27.4°C (42 km from the place centre).
September at a glance
What is Kokubu-matsuki like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 273 mm across about 12 wet days.
How much daylight is there?
There are about 12 h 19 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 9 of 12 in our weather comparison; October ranks first.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 27.4°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1858972
- NOAA station
- JA000047827 · KAGOSHIMA
- Station distance
- 28.9 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Kokubu-matsuki is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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