Weather in Guaynabo in september
Climate normals based on 10 years of historical data for Guaynabo, Puerto Rico.
Average high
31°C
Average low
25°C
Rainfall
201 mm
22 rainy days
Sunshine
1.0h/day
Luftfuktighet
78%
How Hot Is Guaynabo in september?
September in Guaynabo averages 31°C in the afternoon and 25°C overnight, with a typical daily mean of 28°C.
Sunshine Hours in september
Grey skies dominate Guaynabo: 1.0h of sun a day, sun up between 6:10 am and 6:25 pm.
Does It Rain In Guaynabo In september?
Guaynabo is saturated: 201mm of rain in 22 days, the wettest stretch of the year.
Is Guaynabo Humid In september?
Oppressive humidity dominates Guaynabo in September — averaging 78%, with the air feeling thick and heavy.
Wind In Guaynabo In september
Wind stays light: 17 kph on a typical day in Guaynabo.
Cloud Cover In Guaynabo In september
Grey, overcast skies dominate: 77% average cloud cover in Guaynabo.
Cities With Similar Weather In september
Weather in Guaynabo, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 28°C / 22°C | 45mm | Details → |
| Vädret i februari | 28°C / 22°C | 56mm | Details → |
| Vädret i mars | 28°C / 22°C | 54mm | Details → |
| Vädret i april | 29°C / 23°C | 79mm | Details → |
| Vädret i maj | 30°C / 24°C | 96mm | Details → |
| Vädret i juni | 31°C / 25°C | 66mm | Details → |
| Vädret i juli | 31°C / 25°C | 83mm | Details → |
| Vädret i augusti | 31°C / 25°C | 108mm | Details → |
| Vädret i september | 31°C / 25°C | 201mm | |
| Vädret i oktober | 30°C / 25°C | 157mm | Details → |
| Vädret i november | 29°C / 24°C | 150mm | Details → |
| Vädret i december | 28°C / 23°C | 69mm | Details → |