Martinique Weather in September
September in Martinique sees daytime temperatures around 30°C (86°F) and lows of 26°C (79°F) at night. With around 152 mm (6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Martinique in September
Analyzing past climate data, one can expect approximately 27 days of rain, averaging 152 mm (6 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Martinique in September
In September, expect high temperatures in Martinique, with highs of 30°C (86°F) and lows of 26°C (79°F) at night. This kind of day-to-night contrast is typical for this time of year. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Martinique in September
The month enjoys around 219 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Martinique in September
Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in September
With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June and December typically offer the best weather for Martinique.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Martinique, check out our Martinique's climate page.
Martinique Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F)
Chance of Rain
91%
Precipitation
152 mm (6 in)
Rainy days
27 days
Humidity
85%
Windspeed
4 m/s (8 knots)
Sunshine
219 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Martinique typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Martinique in September
Browse day-by-day weather records for Martinique spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Martinique historical weather extremes in September
Our historical data for Martinique spans 1999 to 2025, revealing these weather extremes.
- The warmest day in September was on September 27, 2025, with a maximum of 36°C (97°F).
- The coldest September day was on September 18, 2008, with a maximum of 26°C (79°F).
- Martinique registered its coldest September night on September 20, 2021, with temperatures dropping to 21°C (70°F).
Best Places in Martinique in September
Find out more about the weather in Martinique and which places have the best travel conditions in this month. See all of Martinique in September →
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What to Wear in Martinique in September
Warm but pleasant conditions in Martinique 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Martinique 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 Martinique, check out our Martinique's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Martinique climate overview or explore weather in Martinique.
