United States · 1991–2020 normal
Wainaku in
September.
Typical September weather in Wainaku: 29.2°C by day, 20.9°C at night, 222 mm of rain over 20.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.2°C
Typical low20.9°C
Rain222 mm
Wet days20.3
Comfort score 31 this month (January leads the year at 55). Daylight is calculated as 12 h 14 from latitude 19.74°. Open-water sea temperature is 26.6°C (15 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 26.6°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 5854599
- NOAA station
- USW00021504 · HILO INTL AP 87
- Station distance
- 5.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.