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Hourly Forecast
Daylight Hours
06:20
Sunrise
18:19
Sunset
Moon
Waxing Gibbous
17:40
Moonrise
05:15
Moonset
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View stargazing scoreWeather in Cayenne today, September 25, 2026
Conditions in Cayenne on September 25, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning looks comparatively open, with cloud near 47% around 00:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 28°C and cools toward 28°C. Relative humidity sits between 76% and 82%, reaching its peak around 00:00. A lighter breeze peaks around 21:00 near 7.3 km/h.
Later hours favour clearer intervals, as cloud stays near 31% around 12:00. The afternoon is the better half for outdoor time. Visibility stays near 16.1 km. The sun rises at 06:20 and sets at 18:19, for a total of 11 hours 58 minutes of sunlight today.
Taken together, settled sunshine in Cayenne on September 25, 2026 makes outdoor timing easier, with highs near 28°C.
Frequently asked questions about weather in Cayenne
How warm does it get in Cayenne?
The warmest month in Cayenne is September, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Cayenne?
The coldest month in Cayenne is June, with average low temperatures of 25°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Cayenne?
The wettest month in Cayenne is May, with an average of 570mm of precipitation.
What is the driest time of year in Cayenne?
The driest month in Cayenne is September, with an average of 36mm of precipitation.