Is Résidence Cogneau-Larivot hot in September?
Days are typically hot at 32.5°C, while nights average 22.4°C.
French Guiana · 1991–2020 normal
Typical September weather in Résidence Cogneau-Larivot: 32.5°C by day, 22.4°C at night, 59 mm of rain over 6.9 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, September scores 52 out of 100, the highest of the year. Daylight is calculated as 12 h 08 from latitude 4.89°. Open-water sea temperature is 28.0°C (24 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 32.5°C, while nights average 22.4°C.
The measured monthly average is 59 mm across about 7 wet days.
There are about 12 h 08 between sunrise and sunset at mid-month, calculated from the place latitude.
September is the strongest month in our year-round weather comparison.
Event window
The nearest open-water NOAA OISST 1991–2020 cell averages 28.0°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 Résidence Cogneau-Larivot 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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