Brazzaville in september: average Weather, Temperature and Climate
Weather in Brazzaville in september 2025
The weather in Brazzaville in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on 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
76°F
Partly Cloudy
43% of time
23%
22%
11%
Weather at 12pm
94°F
Partly Cloudy
57% of time
25%
10%
7%
Weather at 6pm
83°F
Partly Cloudy
46% of time
28%
19%
6%
Weather at 3am
74°F
42%
29%
24%
5%
Evolution of daily average temperature and precipitation in Brazzaville in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Brazzaville in september.
The climate of Brazzaville in september is good
In september in Brazzaville, the climate is wet (with 3.9in of precipitation over 6 days). The weather is worst than the previous month since in august there is an average of 0.7in of rainfall over 1 days.
The climate is very hot in this city in september. Temperatures are up to 94°F. In the morning the temperature drops to 76°F. Thus, the mean temperature average in september in Brazzaville is 85°F. These temperatures are far removed from those records observed in Brazzaville in the month of september with a maximum record of 108°F in 2017 and a minimum record of 70°F in 2009. You can plan to have 86°F or more across the month.
On average, in Brazzaville, the days of september last 12:05. Sunrise is at 05:52 and sunset is at 17:57.
With a good weather, september is recommended to go in this city in Congo.
Seasonal average climate and temperature of Brazzaville in september
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 108°F (2017) | ||||
| Lowest record temperature | 70°F (2009) | ||||
| Number of days at +86°F | 29 day(s) (97%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 11km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 6 day(s) (19%) | ||||
| Record daily rainfall | 3in (2009) | ||||
| Other climate data | |||||
| Humidity | 77% | ||||
| Visibility | 9.67km | ||||
| Cloud cover | 36% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:52 | ||||
| Time of sunset | 17:57 | ||||
| Length of day | 12:05 | ||||
| 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 Brazzaville in september 2024:
77°F to 90°F
76°F to 86°F
76°F to 95°F
76°F to 95°F
76°F to 90°F
77°F to 88°F
76°F to 92°F
77°F to 92°F
77°F to 90°F
77°F to 97°F
76°F to 94°F
77°F to 92°F
79°F to 92°F
76°F to 94°F
77°F to 97°F
77°F to 92°F
76°F to 99°F
76°F to 99°F
77°F to 97°F
74°F to 81°F
77°F to 99°F
76°F to 94°F
77°F to 86°F
76°F to 86°F
74°F to 92°F
76°F to 94°F
76°F to 95°F
77°F to 88°F
77°F to 86°F
76°F to 97°F
Map: other cities in the Congo in september
Cities near Brazzaville:
| Kinkala in september | good weather |
| Madingou in september | good weather |
| Djambala in september | tolerable weather |
| Dolisie (Loubomo) in september | tolerable weather |
| Pointe-Noire in september | tolerable weather |
| Conkouati-Douli National Park in september | bad weather |
| Owando in september | tolerable weather |
| Ouesso in september | tolerable weather |
| Impfondo in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Brazzaville
perfect weather
good
tolerable
bad
very bad
Weather data for Brazzaville in september:
Weather data for Brazzaville for september are derived from an average of the weather forecast since 2009 in Brazzaville. There is a margin of error and these forecasts are to be considered as general information only. The weather in Brazzaville 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 Brazzaville.