Weather in Willis in september
Climate normals based on 10 years of historical data for Willis, Grenada.
Average high
29°C
Average low
28°C
Rainfall
99 mm
15 rainy days
Sunshine
1.8h/day
Niiskus
76%
How Hot Is Willis in september?
Expect oppressively warm days and nights: 29°C peaks, only mild relief to 28°C overnight, monthly average 28°C.
Sunshine Hours in september
September is mostly overcast in Willis: just 1.8h of direct sun, despite 12h of daylight.
Does It Rain In Willis In september?
September brings regular showers to Willis: 99mm across 15 days.
Is Willis Humid In september?
Expect heavy, oppressive air in Willis — humidity peaks at 76% on average.
Wind In Willis In september
Sea breeze or thermal winds keep Willis moving at 24 kph in September.
Cloud Cover In Willis In september
Grey, cloudy days are the norm: 74% average cover in Willis.
Cities With Similar Weather In september
Weather in Willis, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | 27°C / 25°C | 27mm | Details → |
| Veebruari ilm | 27°C / 25°C | 15mm | Details → |
| Märtsi ilm | 27°C / 25°C | 14mm | Details → |
| Aprilli ilm | 28°C / 26°C | 14mm | Details → |
| Mai ilm | 28°C / 27°C | 28mm | Details → |
| Juuni ilm | 28°C / 27°C | 77mm | Details → |
| Juuli ilm | 28°C / 27°C | 100mm | Details → |
| Augusti ilm | 29°C / 27°C | 113mm | Details → |
| Septembri ilm | 29°C / 28°C | 99mm | |
| Oktoobri ilm | 29°C / 27°C | 108mm | Details → |
| Novembri ilm | 28°C / 27°C | 113mm | Details → |
| Detsembri ilm | 28°C / 26°C | 50mm | Details → |