Climate almanac
Grand-Santi
Guyane, French Guiana · 4.27°, -54.38°
What is the weather like in Grand-Santi in September?
In September, Grand-Santi is typically 93°F (34°C) during the day and 74°F (23°C) at night. The month brings about 2.2 in (55 mm) of precipitation in total.
- Average high93°F (34°C)
- Average low74°F (23°C)
- Precipitation2.2 in (55 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)