Weather in Roseau in September
Climate normals based on 10 years of historical data for Roseau, Dominica.
Average high
29°C
Average low
27°C
Rainfall
145 mm
18 rainy days
Sunshine
1.2h/day
Luftfeuchtigkeit
75%
How Hot Is Roseau in September?
September brings unrelenting heat to Roseau — highs of 29°C don't drop much below 27°C even after sundown.
Sunshine Hours in September
Persistent cloud limits Roseau to about 1.2h of sun a day in September.
Does It Rain In Roseau In September?
Heavy rain dominates Roseau's September: 145mm across 18 days.
Is Roseau Humid In September?
Humid air dominates Roseau in September: 75% on average makes warm days feel hotter.
Wind In Roseau In September
Sea breeze or thermal winds keep Roseau moving at 22 kph in September.
Cloud Cover In Roseau In September
Heavy cloud blankets Roseau in September — averaging 76% cover, with mostly overcast skies.
Cities With Similar Weather In September
Weather in Roseau, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 27°C / 25°C | 62mm | Details → |
| Wetter im Februar | 27°C / 24°C | 63mm | Details → |
| Wetter im März | 27°C / 25°C | 69mm | Details → |
| Wetter im April | 27°C / 25°C | 57mm | Details → |
| Wetter im Mai | 28°C / 26°C | 61mm | Details → |
| Wetter im Juni | 29°C / 26°C | 90mm | Details → |
| Wetter im Juli | 29°C / 27°C | 134mm | Details → |
| Wetter im August | 29°C / 27°C | 135mm | Details → |
| Wetter im September | 29°C / 27°C | 145mm | |
| Wetter im Oktober | 29°C / 27°C | 119mm | Details → |
| Wetter im November | 28°C / 26°C | 132mm | Details → |
| Wetter im Dezember | 27°C / 25°C | 81mm | Details → |