Weather on Dominica in September

With tropical storm season in full swing and more than 9 inches of rain expected this month, visitors should take precautions if vacationing on Dominica in September. Local forecasts will prove invaluable for learning about current conditions.

On any given day during September on Dominica, you can expect early morning temperatures to be around 81.2 degrees. In September, temperatures typically rise to around 86.7 degrees by early afternoon. By the early evening hours in September the temperature will generally fall to somewhere in the vicinity of 79.4 degrees. For the month of September as a whole, temperatures on Dominica average around 80.8 degrees.

 

September Temperatures on Dominica by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
81.2° F 86.6° F 86.7° F 83.9° F 79.4° F 80.8° F

 

Rain

During September, rain is most likely to occur around 2:00 PM, and least likely to occur around 8:00 PM. To the extent thunderstorms occur on Dominica during September, they are most likely to occur around 2:00 PM, as shown in the following table.

 

September Rainfall on Dominica by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
and/or
Drizzle
Thunder-
storms
2:00 AM 19.45 % 3.05 %
5:00 AM 18.25 % 2.95 %
8:00 AM 21.55 % 2.8 %
11:00 AM 21.25 % 4.6 %
2:00 PM 25 % 7.85 %
5:00 PM 21.05 % 4.95 %
8:00 PM 15.8 % 3.2 %
11:00 PM 17.4 % 2.55 %
ALL 19.85 % 3.9 %



 

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