French Guiana weather in September
Are you planning a trip to French Guiana in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in French Guiana in September?
September in French Guiana generally has very warm temperatures, with moderate precipitation.
The average maximum temperatures are very warm and range from 31°C (88°F) in Kourou to 34°C (94°F) in Maripasoula. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.
Precipitation in September varies from moderate rainfall in Maripasoula with an average of 32mm (1.3 inches) to moderate rainfall in Cayenne with 65mm (2.6 inches). It is the driest month of the year in Kourou. It is also generally a sunny time of year with an average of 255 hours of sunshine in Kourou during the entire month.
For more details on the yearly weather and climate conditions, visit our French Guiana climate page. To learn more about the weather conditions in specific areas of French Guiana in September, check out the map below.
Where to go in French Guiana in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in French Guiana
What is the weather like in September for the 5 most popular destinations in French Guiana?
Average weather in Kourou
In September Kourou generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (76°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Matoury
In September Matoury generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Cayenne
In September Cayenne generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (74°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Maripasoula
In September Maripasoula generally has very high temperatures with maximum daytime temperatures around 34°C (94°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in Saint Georges
In September Saint Georges generally has very high temperatures with maximum daytime temperatures around 33°C (92°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in French Guiana.
Is September the best time to go to French Guiana?
In our opinion September is one of the best times to visit French Guiana with commonly pleasant weather in Kourou.
On average the best time to visit French Guiana is in September and October with generally pleasant weather in Kourou.
The worst months are April, May, June, July and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in French Guiana.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to French Guiana? Get detailed historical weather averages for many cities in French Guiana.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.