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Hourly Forecast
Daylight Hours
06:28
Sunrise
18:27
Sunset
Moon
Waxing Gibbous
17:48
Moonrise
05:23
Moonset
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View stargazing scoreWeather in Grand-Santi today, September 25, 2026
Conditions in Grand-Santi 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 56% around 02:00. Early outdoor plans have a better chance of staying dry and bright.
The temperature range runs from about 24°C up to 36°C. Expect humidity between 39% and 95%, most humid near 03:00. Expect gentle winds, highest near 21:00 at 3.4 km/h.
Later hours favour clearer intervals, as cloud stays near 35% around 12:00. The afternoon is the better half for outdoor time. Visibility stays generally good near 15.6 km on average, though it can drop toward 4.4 km in thicker cloud or showers. Daylight runs from 06:28 to 18:27, lasting 11 hours 58 minutes of sunlight today.
Taken together, settled sunshine in Grand-Santi on September 25, 2026 makes outdoor timing easier, with highs near 36°C.
Frequently asked questions about weather in Grand-Santi
How warm does it get in Grand-Santi?
The warmest month in Grand-Santi is October, with average high temperatures of 34°C. The average temperature during this period is around 28°C.
How cold does it get in Grand-Santi?
The coldest month in Grand-Santi is January, with average low temperatures of 23°C. The average temperature during this period is around 25°C.
What is the wettest time of year in Grand-Santi?
The wettest month in Grand-Santi is May, with an average of 433mm of precipitation.
What is the driest time of year in Grand-Santi?
The driest month in Grand-Santi is October, with an average of 39mm of precipitation.
