Hot
Average highs reach 33°C, so days can feel very hot.
September verdict
Kourou, French Guiana in September
Weather score77Very good
Very good for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 46mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
33°C
Rain
46mm
Sun
8.2h
Sea
28°C
Weather score
77
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Kourou, French Guiana with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September33°C average high
September is one of Kourou's warmest months, with daytime heat above the yearly average.
Warmest monthsAugust to November
This stretch sets the upper range for average daytime heat.
Rain
September46mm average rain
September is one of Kourou's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJuly to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September8.2 hours average sun
September is one of Kourou's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September28°C average sea
September is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
September77 weather score
September is one of Kourou's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.