United States · 1991–2020 normal
‘Ewa Beach in
September.
Typical September weather in ‘Ewa Beach: 30.9°C by day, 21.3°C at night, 15 mm of rain over 2.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.9°C
Typical low21.3°C
Rain15 mm
Wet days2.8
Comfort score 66 this month (February leads the year at 85). Daylight is calculated as 12 h 14 from latitude 21.32°. Open-water sea temperature is 27.0°C (14 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 27.0°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 5855051
- NOAA station
- USC00511918 · EWA BEACH USGS 702.2
- Station distance
- 0.8 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.