United States · 1991–2020 normal

Kapa‘a in
September.

Typical September weather in Kapa‘a: 29.5°C by day, 23.6°C at night, 56 mm of rain over 9.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.5°C
Typical low23.6°C
Rain56 mm
Wet days9.8

Comfort score 57 this month (January leads the year at 79). Daylight is calculated as 12 h 15 from latitude 22.08°. Open-water sea temperature is 26.6°C (21 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 5848280
NOAA station
USW00022536 · LIHUE WSO AP 1020.1
Station distance
10.7 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.