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Marigot Weather in September
September in Marigot typically sees daytime highs of 29°C (84°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Marigot in September
You can expect rain on around 23 days based on historical patterns, with 150 mm (5.9 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Marigot in September
If you're visiting Marigot in September, expect highs of 29°C (84°F) and overnight lows around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Marigot in September
There are approximately 212 hours of sunshine this month, resulting in mostly clear days.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Marigot. Our weather planner can help you explore destinations with more pleasant weather conditions.
Marigot Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
76%
Precipitation
150 mm (5.9 in)
Rainy days
23 days
Humidity
72% *
Sunshine
212 hours *
Percentage Sunshine
*
Marigot Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Marigot - and find the best time to visit.
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Marigot typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather records for Marigot in September
Browse day-by-day weather records for Marigot spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Marigot historical weather extremes in September
Our historical data for Marigot spans 2003 to 2025, revealing these weather extremes.
- On September 1, 2005, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- Marigot experienced its chilliest September day on September 17, 2022, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 9°C (48°F) on September 4, 2023, marking the coldest September night on record.
Best Places in Dominica in September
Find out more about the weather in Dominica and which places have the best travel conditions in this month. See all of Dominica in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Marigot in September
Warm but pleasant conditions in Marigot in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Marigot in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Marigot 3-Day Forecast
More climate data for Marigot
Temperature Rainfall Sunshine Humidity
See the full Marigot climate overview or explore weather in Dominica.
Popular in September
Where to go in September - average daytime high across popular destinations.
Salisbury
29°C (84°F) Scotts Head Village29°C (84°F) Roseau29°C (84°F) Marigot29°C (84°F) Portsmouth29°C (84°F) Calibishie29°C (84°F) Pont Cassé29°C (84°F) Castle Bruce
29°C (84°F) Bucket list
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