Kourou in september: average Weather, Temperature and Climate
Weather in Kourou in september 2025
The weather in Kourou in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
77°F
Partly Cloudy
45% of time
28%
18%
8%
Weather at 12pm
88°F
Clear/Sunny
66% of time
20%
14%
2%
Weather at 6pm
85°F
Clear/Sunny
61% of time
24%
14%
3%
Weather at 3am
79°F
41%
24%
23%
6%
Evolution of daily average temperature and precipitation in Kourou in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Kourou in september.
The climate of Kourou in september is good
The climate in september in Kourou is quite dry (with 3.1in of precipitation over 5 days). This is better than the previous month since in august it receives an average of 6.2in of rainfall over 11 days.
The climate is very hot in that area in september. Temperatures are up to 88°F. In the morning the temperature drops to 77°F. Thus, the mean temperature average on this month of september in Kourou is 83°F. Note that seasonal normals are in contrast with those observed in Kourou in september with a maximum record of 92°F in 2016 and a minimum record of 74°F in 2009. You can expect to have 86°F or more throughout the month.
On this month of september, day length in Kourou is generally 12:09. Sunrise is at 06:21 and sets at 18:30.
With proper weather, september is okay (but not the best) to go in that area in French Guiana.
Seasonal average climate and temperature of Kourou in september
Check below seasonal norms These datas are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 92°F (2016) | ||||
| Lowest record temperature | 74°F (2009) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.1in | ||||
| Number of days with rainfall | 5 day(s) (18%) | ||||
| Record daily rainfall | 1.1in (2018) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.7km | ||||
| Cloud cover | 27% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:21 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:09 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Kourou in september 2024:
76°F to 90°F
77°F to 88°F
77°F to 90°F
76°F to 90°F
76°F to 90°F
76°F to 90°F
76°F to 90°F
76°F to 88°F
76°F to 90°F
76°F to 90°F
76°F to 88°F
76°F to 90°F
77°F to 88°F
76°F to 90°F
77°F to 90°F
77°F to 90°F
77°F to 90°F
77°F to 90°F
77°F to 90°F
79°F to 90°F
79°F to 90°F
77°F to 90°F
77°F to 90°F
76°F to 90°F
79°F to 90°F
79°F to 90°F
79°F to 92°F
79°F to 90°F
79°F to 90°F
81°F to 90°F
Map: other cities in French Guyana in september
Cities near Kourou:
| Montagne des Singes in september | good weather |
| Îles du Salut in september | good weather |
| Macouria in september | good weather |
| Sinnamary in september | good weather |
| Cayenne in september | good weather |
| Rémire-Montjoly in september | good weather |
| Roura in september | good weather |
| Cacao in september | good weather |
| Iracoubo in september | good weather |
| Régina in september | good weather |
| Mana in september | good weather |
| Ouanary in september | good weather |
Click over cities on the map for information about the weather in september.
Kourou
perfect weather
good
tolerable
bad
very bad
Weather data for Kourou in september:
Weather data for Kourou for september are derived from an average of the weather forecast since 2009 in Kourou. There is a margin of error and these forecasts are to be considered as general information only. The weather in Kourou can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Kourou.