Japan · 1991–2020 normal
Saikai in
September.
Typical September weather in Saikai: 28.9°C by day, 21.6°C at night, 225 mm of rain over 10.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.9°C
Typical low21.6°C
Rain225 mm
Wet days10.7
Comfort score 39 this month (October leads the year at 81). Daylight is calculated as 12 h 20 from latitude 32.98°. Open-water sea temperature is 26.2°C (13 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 26.2°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 11612561
- NOAA station
- JA000047817 · NAGASAKI
- Station distance
- 32.9 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.