Japan · 1991–2020 normal

Shibayama in
September.

Typical September weather in Shibayama: 27.6°C by day, 20.9°C at night, 211 mm of rain over 11.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high27.6°C
Typical low20.9°C
Rain211 mm
Wet days11.4

Comfort score 45 this month (May leads the year at 77). Daylight is calculated as 12 h 22 from latitude 35.68°. Open-water sea temperature is 24.5°C (19 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 24.5°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 2111127
NOAA station
JA000047682 · CHIBA
Station distance
31.5 km from the place centre
Coverage
Good coverage · 18 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.