United States · 1991–2020 normal
Kea‘au in
September.
Typical September weather in Kea‘au: 26.9°C by day, 18.8°C at night, 249 mm of rain over 20.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.9°C
Typical low18.8°C
Rain249 mm
Wet days20.3
Comfort score 38 this month (January leads the year at 56). Daylight is calculated as 12 h 14 from latitude 19.62°. Open-water sea temperature is 26.5°C (17 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 26.5°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 5848891
- NOAA station
- USW00021515 · HILO 5 S
- Station distance
- 5.4 km from the place centre
- Coverage
- Good coverage · 15 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.