Kousséri weather in September

In September, Kousséri sees average daytime highs of 33°C and overnight lows near 24°C, with 79 mm of rain across 11.9 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 35°C by the end. The sky is clear or mostly clear about 25% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Kousséri's 10th-clearest and 12th-windiest month. For the whole year in context, see Kousséri's year-round climate.

Daytime high
33°
10th warmest
Overnight low
24°
8th coldest
Rainfall
79 mm
11.9 wet days
Daylight
12 h 06 min
5:52 AM – 5:56 PM
Cloud cover
60%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
5.96 kWh/m²
Travel score
3.3
out of 10

Kousséri is commune of Cameroon.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 35°C by the end.

A typical September day in Kousséri reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133324
143324
153324
163324
173324
183324
193324
203424
213424
223424
233424
243424
253424
263424
273524
283524
293524
303524

How September really feels in Kousséri

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kousséri weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 17°0011.44.8
Feb36° / 20°0011.62.9
Mar39° / 24°0011.90.5
Apr41° / 27°41.312.30.0
May40° / 28°184.912.50.1
Jun38° / 27°328.212.71.3
Jul34° / 25°10616.312.62.7
Aug31° / 24°18521.412.43.2
Sep33° / 24°7911.912.13.3
Oct36° / 24°143.211.72.1
Nov36° / 21°00.111.42.6
Dec33° / 17°0011.34.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23367
33565
43565
53763
63961
73961
84159
94357
104357
114654
124654
134852
144951
155050
165050
175149
185347
195347
205446
215545
225545
235743
245743
255842
265842
276040
286040
296139
306238

Chance of precipitation in September

Any precipitation

Kousséri gets around 79 mm of rain over 11.9 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
257
356
454
553
652
750
849
947
1046
1144
1243
1342
1440
1539
1638
1737
1836
1934
2033
2132
2231
2330
2429
2528
2628
2727
2826
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100008812
200008812
300008812
400008812
500008812
600008812
700018712
800018712
900018712
1000018712
1100018712
1200028612
1300028612
1400028612
1500038512
1600038512
1700048412
1800048412
1900058312
2000058411
2100068311
2210078111
2310178110
2411187910
251118809
262119798
2721210778
2821211777
2921312766
3032313736

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 5:53 AM to 5:52 AM, and sunset from 6:07 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:07
212.25:536:06
312.25:536:05
412.25:536:05
512.25:526:04
612.25:526:03
712.25:526:03
812.25:526:02
912.15:526:01
1012.15:526:00
1112.15:526:00
1212.15:525:59
1312.15:525:58
1412.15:525:58
1512.15:525:57
1612.15:525:56
1712.15:525:55
1812.05:525:55
1912.05:525:54
2012.05:525:53
2112.05:525:53
2212.05:525:52
2312.05:525:51
2412.05:525:50
2512.05:525:50
2612.05:525:49
2711.95:525:48
2811.95:525:48
2911.95:525:47
3011.95:525:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.96 kWh/m².

For context, solar energy here swings from a low near 5.2 kWh/m² to a high of 7.11 kWh/m² in March across the year — September's 5.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Kousséri

In seasonPeak

In September, Kousséri sits inside its dust season. The full year is below, with each hazard's peak months called out.

Kousséri sees seasonal dust haze (January–July), heaviest in March.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Kousséri?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.3
Sightseeing
3rd-best month of the year
5.8
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Kousséri.

What to pack for Kousséri in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Kousséri sees daytime highs around 33°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Kousséri in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kousséri peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highMar 17UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May9Very high
Jun10Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Kousséri in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Kousséri is worst in February — around 98 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 22 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1797 µg/m³Aug 1522 µg/m³
PM2.5 (µg/m³)Level
Jan91Unhealthy
Feb98Unhealthy
Mar94Unhealthy
Apr66Unhealthy
May40Poor
Jun34Moderate
Jul24Moderate
Aug22Moderate
Sep24Moderate
Oct42Poor
Nov53Poor
Dec83Unhealthy
Location & terrain

Where is Kousséri?

Kousséri sits at 12.1°N, 15.0°E, 300 m above sea level, in Cameroon. The nearest listed city is N'Djamena, 4.0 km away.

BlangwaGamboruDourbaliDikwaMassakory

Topography around Kousséri

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kousséri.

Within 3 km, the terrain around Kousséri has only modest variations in elevation — a maximum elevation change of 17 m around an average of 293 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, only modest variations in elevation — a maximum elevation change of 32 m.

The land around Kousséri is covered by grassland (38%) and artificial surfaces (35%) within 3 km, grassland (55%) and artificial surfaces (21%) within 16 km, and grassland (73%) within 80 km.

3 km
17 m
16 km
25 m
80 km
32 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: N'Djamena 4.0 km · Mandelia 45 km · Massaguet 63 km · Blangwa 93 km · Gamboru 95 km · Dourbali 96 km · Dikwa 121 km · Massakory 128 km

Cameroon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,972
2025
Happiness
5.1 / 10
World Happiness, 2025
Homicide rate
6.8
per 100k, 2022
Road deaths
30.2
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 445
Religion
Roman Catholic 33%Muslim 31%Protestant 27%animist 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kousséri (12.0769°, 15.0306°, elevation 300 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).