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Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
Maripasoula Weather in September
During September, Maripasoula experiences very high daytime temperatures of 34°C (93°F) and cooler nights around 23°C (73°F). Some rainfall is typical during this period.
Rainfall in Maripasoula in September
Expect around 7 days of rain based on historical data, with 32 mm (1.3 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Maripasoula in September
In September, Maripasoula sees very high temperatures, with highs of 34°C (93°F). Nights drop to around 23°C (73°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 23°C (73°F), the nights are warm and generally comfortable.
Sunshine in Maripasoula in September
Expect sunny days throughout the month, with an estimated 250 hours of sunshine. This makes it a pleasant time to visit Maripasoula.September in Maripasoula 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.
Maripasoula Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
34°C (93°F)
Chance of Rain
25%
Precipitation
32 mm (1.3 in)
Rainy days
7 days
Sunshine
250 hours
Percentage Sunshine
Maripasoula Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Maripasoula - and find the best time to visit.
Daily Historical Temperatures
41-year average (1979-2025)
Based on our historical records, temperatures in Maripasoula typically stay consistent throughout September, with daily highs averaging around 34°C (93°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Historical weather records for Maripasoula in September
Browse day-by-day weather records for Maripasoula spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Maripasoula historical weather extremes in September
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Maripasoula.
- The hottest September day on record in Maripasoula reached 39°C (102°F) (September 16, 2019).
- Maripasoula experienced its chilliest September day on September 9, 2010, reaching only 28°C (82°F).
- The lowest overnight temperature recorded in September was 19°C (66°F) (September 30, 2025).
Best Places in French Guiana in September
Find out more about the weather in French Guiana and which places have the best travel conditions in this month. See all of French Guiana 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 Maripasoula in September
Pack for serious heat in Maripasoula in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Maripasoula in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Maripasoula 3-Day Forecast
More climate data for Maripasoula
See the full Maripasoula climate overview or explore weather in French Guiana.
Popular in September
Where to go in September - average daytime high across popular destinations.
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