Weather in Grand-Santi in September
Climate normals based on 10 years of historical data for Grand-Santi, Französisch-Guayana.
Average high
35°C
Average low
22°C
Rainfall
61 mm
11 rainy days
Sunshine
1.2h/day
Luftfeuchtigkeit
72%
How Hot Is Grand-Santi in September?
Grand-Santi's September sits at about 27°C overall, climbing to 35°C by mid-afternoon and dropping to 22°C before dawn.
Sunshine Hours in September
Grey skies dominate Grand-Santi: 1.2h of sun a day, sun up between 6:25 am and 6:35 pm.
Does It Rain In Grand-Santi In September?
Plan around wet weather: Grand-Santi sees 61mm of rain on 11 days.
Is Grand-Santi Humid In September?
High levels of humidity in Grand-Santi year-round (about 72%) will make it feel warmer than the thermometer suggests.
Wind In Grand-Santi In September
Winds stay light in Grand-Santi — averaging 8 kph in September, with mostly still air.
Cloud Cover In Grand-Santi In September
Grey, overcast skies dominate: 81% average cloud cover in Grand-Santi.
Cities With Similar Weather In September
Weather in Grand-Santi, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 30°C / 21°C | 244mm | Details → |
| Wetter im Februar | 30°C / 21°C | 221mm | Details → |
| Wetter im März | 30°C / 22°C | 235mm | Details → |
| Wetter im April | 30°C / 22°C | 404mm | Details → |
| Wetter im Mai | 29°C / 22°C | 546mm | Details → |
| Wetter im Juni | 30°C / 22°C | 329mm | Details → |
| Wetter im Juli | 31°C / 22°C | 276mm | Details → |
| Wetter im August | 32°C / 22°C | 133mm | Details → |
| Wetter im September | 35°C / 22°C | 61mm | |
| Wetter im Oktober | 35°C / 23°C | 61mm | Details → |
| Wetter im November | 33°C / 22°C | 172mm | Details → |
| Wetter im Dezember | 30°C / 22°C | 305mm | Details → |