What is the weather like in Roseau in September?

Expect temperatures between 26°C and 29°C with 36% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Roseau in September?

Roseau in September scores 49/100 based on 30 years of climate data. Requires preparation but many visit successfully.

Who should visit Roseau in September?

September in Roseau is ideal for: Business travelers.

Roseau Weather in September | 30-Year Forecast

Avg High

29°C

Hottest around day 6

Avg Low

26°C

Coolest around day 30

Rainy Days

30days

36% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Roseau

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

XCD

$ Eastern Caribbean dollar

Language

English

Driving

Left side

Travel Intelligence

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Health & Safety Advisory

CDC travel health recommendations

7 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Dominica.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Dominica.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Dominica.If rabies exposures occur while in Dominica, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Typhoid

Recommended for most travelers, especially those staying with friends or relatives or visiting smaller cities or rural areas.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Roseau?

🤔Requires preparation but many visit successfully(49/100)

Short Answer

Storm season alert for Roseau in September: beyond the 29°C, 36% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

29°C with 82% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29°C

Heat index: 35°C due to 82% humidity

Seismically active region

12 earthquakes recorded in this month (30-year data)

Health precautions needed

Be aware of: Leptospirosis, African Tick-Bite Fever, Dengue

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
👴
Elderly travelers
82% humidity creates difficult conditions
💼
Business travelers
Storm season may cause flight disruptions
🌡️
Heat-sensitive visitors
35°C feels-like temperature creates discomfort

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Roseau in September averages 29°C with 36% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Roseau in September

What are the temperatures in Roseau in September?

Daytime highs average 29°C, nights drop to 26°C. Temperatures remain fairly consistent.

How many rainy days in Roseau in September?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Roseau in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Roseau?

This is shoulder season—moderate prices and manageable crowds.

Roseau Weather in September

Roseau September Weather Calendar