Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Dominica in September
Weather score55Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 7.1h per day, enough for a balanced month. Rainfall averages 256mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
31°C
Rain
256mm
Sun
7.1h
Sea
29°C
Weather score
55
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 256mm, so showers are a real planning factor.
Some sun
Sunshine averages 7.1h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Dominica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September31°C average high
September is one of Dominica's warmest months, with daytime heat above the yearly average.
Warmest monthsApril to November
This stretch sets the upper range for average daytime heat.
Rain
September256mm average rain
September is wetter than Dominica's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.1 hours average sun
September sits close to Dominica's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMarch to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September29°C average sea
September is one of Dominica's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September55 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.