Is McCully - Moiliili hot in September?
Days are typically hot at 31.1°C, while nights average 23.1°C.
United States · 1991–2020 normal
Typical September weather in McCully - Moiliili: 31.1°C by day, 23.1°C at night, 26 mm of rain over 5.2 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 60 out of 100 (February leads the year at 79). Daylight is calculated as 12 h 14 from latitude 21.29°. Open-water sea temperature is 26.8°C (10 km from the place centre).
September at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically hot at 31.1°C, while nights average 23.1°C.
The measured monthly average is 26 mm across about 5 wet days.
There are about 12 h 14 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 12 of 12 in our weather comparison; February ranks first.
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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
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The weather comparison for McCully - Moiliili is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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