United States · 1991–2020 normal
‘Aiea in
September.
Typical September weather in ‘Aiea: 31.3°C by day, 23.8°C at night, 21 mm of rain over 3.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.3°C
Typical low23.8°C
Rain21 mm
Wet days3.5
Comfort score 60 this month (January leads the year at 79). Daylight is calculated as 12 h 14 from latitude 21.38°. Open-water sea temperature is 26.8°C (6 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 26.8°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 5856430
- NOAA station
- USW00022521 · HONOLULU INTL AP
- Station distance
- 6.5 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.