Sainte-Luce Weather in September

In Sainte-Luce, September brings high daytime temperatures around 29°C (84°F), with nights cooling to 26°C (79°F). Expect quite a bit of rainfall this month.

Rainfall in Sainte-Luce in September

On average, there are about 26 days with rain during this month, averaging 155 mm (6.1 in). 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 Sainte-Luce in September

In September, Sainte-Luce sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. 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 Sainte-Luce in September

With approximately 219 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Sainte-Luce 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

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

September in Sainte-Luce has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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For a detailed overview over the year and the best time to visit Martinique, check out our Sainte-Luce's climate page.

Sainte-Luce Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 88%  

Precipitation 155 mm (6.1 in)  

Rainy days 26 days  

Humidity 85% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 219 hours *  

Percentage Sunshine *  

* Data from: Martinique, Martinique (17 KM, 10 Miles).

Daily Historical Temperatures

48-year average (1976-2025)

Based on our historical records, temperatures in Sainte-Luce typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in September

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Historical weather for Sainte-Luce in September

Browse day-by-day weather records for Sainte-Luce spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Sainte-Luce historical weather extremes in September

Based on weather observations in Sainte-Luce between 1999 and 2025, these are the recorded extremes during September.

• Sainte-Luce recorded its highest September temperature of 35°C (95°F) on September 12, 2023.
• Sainte-Luce experienced its chilliest September day on September 18, 2008, reaching only 26°C (79°F).
• The lowest overnight temperature recorded in September was 21°C (70°F) (September 20, 2021).

What to Wear in Sainte-Luce 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. 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 Sainte-Luce in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Martinique, check out our Sainte-Luce's climate page.

More climate data for Sainte-Luce

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sainte-Luce climate overview or explore weather in Martinique.