Is Mongmong-Toto-Maite Village hot in September?
Days are typically hot at 30.6°C, while nights average 24.6°C.
Guam · 1991–2020 normal
Typical September weather in Mongmong-Toto-Maite Village: 30.6°C by day, 24.6°C at night, 383 mm of rain over 22.2 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 5 out of 100 (March leads the year at 49). Daylight is calculated as 12 h 11 from latitude 13.47°. Open-water sea temperature is 29.4°C (15 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 30.6°C, while nights average 24.6°C.
The measured monthly average is 383 mm across about 22 wet days.
There are about 12 h 11 between sunrise and sunset at mid-month, calculated from the place latitude.
September ranks 11 of 12 in our weather comparison; March ranks first.
Event window
The nearest open-water NOAA OISST 1991–2020 cell averages 29.4°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
Next step
The weather comparison for Mongmong-Toto-Maite Village 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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