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Central America and Caribbean

Dominica weather in September 2025

Central America and Caribbean

Dominica weather in September 2025

 

Day

32 °C

 

Night

24 °C

 

Sea

29 °C

 

Precipitation

233 mm

in month

 

Rainy days

20 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

81 %

 

Day

32 °C

 

Night

24 °C

 

Sea

29 °C

 

Precipitation

233 mm

in month

 

Rainy days

20 days

in month

 

Daylight

12 hours

average

 

Sunshine

7 hours

average

 

Humidity

81 %

Overview: Dominica
In Dominica in September, the average air temperature ranges from 32 °C (90 °F) during the day to 24 °C (75 °F) at night. There are 20 days of rain on average, where the rainfall is 233 mm (9.18 in).

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Nice beach by the sea in Dominica in sunny weather with few clouds
Dominica
Lake in Dominica in partly cloudy weather

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Weather overview and FAQs

Weather overview

In Dominica in September, the average air temperature ranges from 32 °C (90 °F) during the day to 24 °C (75 °F) at night. There are 20 days of rain on average, where the rainfall is 233 mm (9.18 in).

Are there good conditions to visit in September in Dominica?

Dominica can be visited in September - the weather will be moderate. September is the wet season month in Dominica, which means that there may be more frequent rains during your stay.

What is the sea temperature in Dominica in September?

The temperature of the sea in Dominica in September is 29 °C (84 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.

What is the temperature in Dominica during the day in September?

In Dominica in September, the average daily temperatures will be 32 °C (90 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.

What is the rainfall intensity in Dominica in September?

There is precipitation of 233 mm (9.18 in) in September in Dominica, which means 8 mm (0.31 in) rainfall per day on average.

How many days of precipitation on average can I expect in Dominica in September?

There are 20 days, which are rainy in September in Dominica, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.7 days of the week, or in general - 68 % days.

What is the night temperature in Dominica in September?

The average night temperature in Dominica in September is 24 °C (75 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

Is there a wet season in Dominica in September?

Yes, in Dominica in September there is a wet season with 20 days, when there is rain in a month.

Is it hot in September in Dominica?

Yes, it is hot in September in Dominica, although the perception of heat can be subjective. Daytime temperatures rise to 32 °C (90 °F).

How many sunny hours can I expect in September in Dominica?

There is an average length of sunshine of 7 hours per day in September in Dominica.

How windy is Dominica in September?

In Dominica in September, there will be an average wind scale of 4.

How long is the day (from dawn till dusk) in Dominica in September?

The length of daylight in Dominica in September is 12 hours.

What level of humidity is to expect in September in Dominica?

In Dominica in September, expect humidity around 81 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

Is the weather in Dominica warmer in September than in October?

Yes, September in Dominica is warmer than October by 1 °C (33 °F).

Is Dominica rainier in September than in August?

No, in September in Dominica it does not rain more than in August.

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