Japan · 1991–2020 normal

Kamikijima in
September.

Typical September weather in Kamikijima: 26.2°C by day, 16.9°C at night, 141 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high26.2°C
Typical low16.9°C
Rain141 mm
Wet days9.7

Comfort score 68 this month (May leads the year at 78). Daylight is calculated as 12 h 22 from latitude 36.84°. Open-water sea temperature is 25.3°C (41 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 25.3°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 9120506
NOAA station
JA000047610 · NAGANO
Station distance
26.4 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.