Saint-Pierre Weather in September
September in Saint-Pierre brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 26°C (79°F). Quite a bit of rainfall is expected, around 124 mm (4.9 in), so pack an umbrella.
Rainfall in Saint-Pierre in September
The climate data from previous years indicates about 27 days of rain, averaging 124 mm (4.9 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Saint-Pierre in September
September in Saint-Pierre brings typical temperatures with highs around 30°C (86°F) and lows of 26°C (79°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Saint-Pierre in September
The month enjoys around 219 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Saint-Pierre 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.September in Saint-Pierre has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Saint-Pierre's climate page.
Saint-Pierre 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
124 mm (4.9 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 Saint-Pierre 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 Saint-Pierre in September
Browse day-by-day weather records for Saint-Pierre spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint-Pierre historical weather extremes in September
The extremes listed below come from historical weather data collected in Saint-Pierre from 1990 through 2025.
- On September 20, 2024, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
- On September 23, 2025, Saint-Pierre saw its coldest September day with temperatures maxing out at 26°C (79°F).
- Saint-Pierre registered its coldest September night on September 23, 1994, with temperatures dropping to 20°C (68°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 Saint-Pierre in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Saint-Pierre 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 Saint-Pierre's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saint-Pierre climate overview or explore weather in Martinique.
