Marigot Weather in September
September in Marigot typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Marigot in September
Typically around 18 days of rainfall are expected, averaging 131 mm (5.2 in) 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
In September, Marigot gets high temperatures, with highs of 30°C (86°F). Nights cool to around 27°C (81°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Marigot in September
The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Marigot. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Barthélemy, check out our Marigot's climate page.
Marigot Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
61%
Precipitation
131 mm (5.2 in)
Rainy days
18 days
Humidity
76% *
Sunshine
240 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Marigot typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather 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
Based on weather observations in Marigot between 1990 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 1, 2016, with a maximum of 36°C (97°F).
- The coldest September day was on September 17, 2022, with a maximum of 27°C (81°F).
- Marigot registered its coldest September night on September 8, 2012, with temperatures dropping to 21°C (70°F).
Best Places in Saint Barthélemy in September
Find out more about the weather in Saint Barthélemy and which places have the best travel conditions in this month. See all of Saint Barthélemy in September →
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What to Wear in Marigot in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Marigot in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Barthélemy, check out our Marigot's climate page.
Temperature Rainfall Sunshine Humidity
See the full Marigot climate overview or explore weather in Saint Barthélemy.
