United States · 1991–2020 normal

Hōlualoa in
September.

Typical September weather in Hōlualoa: 26°C by day, 17.9°C at night, 180 mm of rain over 13.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high26°C
Typical low17.9°C
Rain180 mm
Wet days13.2

Comfort score 59 this month (February leads the year at 97). Daylight is calculated as 12 h 14 from latitude 19.62°. Open-water sea temperature is 27.2°C (19 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 27.2°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 5856050
NOAA station
USC00512751 · KAINALIU 73.2
Station distance
9.8 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.