Japan · 1991–2020 normal
Hayakawa in
September.
Typical September weather in Hayakawa: 28.6°C by day, 19.1°C at night, 170 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.6°C
Typical low19.1°C
Rain170 mm
Wet days10.4
Comfort score 52 this month (May leads the year at 80). Daylight is calculated as 12 h 21 from latitude 35.45°. Open-water sea temperature is 25.6°C (44 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 25.6°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 1862998
- NOAA station
- JA000047638 · KOFU
- Station distance
- 30.2 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.