Weather in Portsmouth in september
Climate normals based on 10 years of historical data for Portsmouth, Dominica.
Average high
27°C
Average low
24°C
Rainfall
201 mm
23 rainy days
Sunshine
1.1h/day
Luftfuktighet
75%
How Hot Is Portsmouth in september?
The night offers little relief: 27°C afternoons in Portsmouth barely cool to 24°C overnight.
Sunshine Hours in september
Grey skies dominate Portsmouth: 1.1h of sun a day, sun up between 5:55 am and 6:05 pm.
Does It Rain In Portsmouth In september?
Portsmouth is saturated: 201mm of rain in 23 days, the wettest stretch of the year.
Is Portsmouth Humid In september?
September brings sticky conditions to Portsmouth — humidity averages 75%, particularly noticeable in the afternoons.
Wind In Portsmouth In september
Portsmouth sees consistent breezes in September: typical wind speeds of 20 kph.
Cloud Cover In Portsmouth In september
Grey, overcast skies dominate: 77% average cloud cover in Portsmouth.
Cities With Similar Weather In september
Weather in Portsmouth, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 24°C / 21°C | 130mm | Details → |
| Vädret i februari | 24°C / 21°C | 129mm | Details → |
| Vädret i mars | 24°C / 21°C | 149mm | Details → |
| Vädret i april | 25°C / 22°C | 116mm | Details → |
| Vädret i maj | 26°C / 23°C | 121mm | Details → |
| Vädret i juni | 26°C / 23°C | 156mm | Details → |
| Vädret i juli | 26°C / 23°C | 230mm | Details → |
| Vädret i augusti | 27°C / 23°C | 220mm | Details → |
| Vädret i september | 27°C / 24°C | 201mm | |
| Vädret i oktober | 27°C / 23°C | 176mm | Details → |
| Vädret i november | 26°C / 23°C | 203mm | Details → |
| Vädret i december | 25°C / 22°C | 164mm | Details → |