Douala weather in September

In September, Douala sees average daytime highs of 28°C and overnight lows near 23°C, with 351 mm of rain across 29.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Douala's 12th-clearest and 8th-windiest month. For the whole year in context, see Douala's year-round climate.

Daytime high
28°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
351 mm
29.5 wet days
Daylight
12 hours
6:15 AM – 6:16 PM
Cloud cover
87%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
3.69 kWh/m²
Travel score
3.1
out of 10

Douala is city in Cameroon.

Density
6,372/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Douala reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262923
272923
282923
292923
302923

How September really feels in Douala

Once humidity and wind are folded in, September averages 8 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
8
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.

Douala 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
Jan31° / 24°6920.811.83.5
Feb31° / 25°9621.911.93.0
Mar31° / 25°22128.6122.5
Apr31° / 24°28427.912.12.6
May30° / 24°29729.512.22.6
Jun29° / 24°3032912.23.0
Jul27° / 23°36529.412.23.5
Aug27° / 23°34629.212.13.5
Sep28° / 23°35129.5123.1
Oct29° / 24°36830.311.92.8
Nov30° / 24°25828.411.82.8
Dec30° / 24°9623.111.83.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15397
16397
17397
18397
19397
20397
21397
22397
23397
24397
25397
26397
27496
28496
29496
30496

Chance of precipitation in September

Any precipitation

Douala gets around 351 mm of rain over 29.5 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
198
298
398
498
598
698
799
898
998
1098
1198
1298
1398
1498
1598
1698
1798
1898
1998
2098
2198
2298
2398
2498
2598
2698
2798
2897
2997
3097

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1928
2919
3919
49010
59010
68911
78911
88812
98713
108713
118614
128515
138416
148317
158218
168119
178020
187921
197822
207723
217723
227624
237624
247525
257426
267426
277327
287327
297228
307129

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:19 AM to 6:11 AM, and sunset from 6:23 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:196:23
212.16:186:23
312.16:186:22
412.16:186:22
512.16:186:21
612.16:176:21
712.16:176:20
812.16:176:20
912.06:176:20
1012.06:166:19
1112.06:166:19
1212.06:166:18
1312.06:166:18
1412.06:156:17
1512.06:156:17
1612.06:156:16
1712.06:156:16
1812.06:146:15
1912.06:146:15
2012.06:146:14
2112.06:146:14
2212.06:136:13
2312.06:136:13
2412.06:136:12
2512.06:136:12
2612.06:126:11
2712.06:126:11
2812.06:126:10
2912.06:126:10
3012.06:116:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.69 kWh/m².

For context, solar energy here swings from a low near 3.3 kWh/m² to a high of 4.95 kWh/m² in February across the year — September's 3.69 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Douala

In seasonPeak

None of Douala's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Douala sees seasonal dust haze (February–March), heaviest in February.

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

Is September a good time to visit Douala?

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

3.1
Sightseeing
5th-best month of the year
3.5
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Douala.

What to pack for Douala in September

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

In September, Douala sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near Douala in September

The nearest coast averages about 27°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 km away) is warmest in May at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug26Warm
Sep27Warm
Oct28Warm
Nov28Tropical
Dec29Tropical

UV index in Douala in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Douala peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 21UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Douala 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 Douala is worst in February — around 73 µg/m³ PM2.5 (unhealthy), about 4.7× the cleanest month (September, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1071 µg/m³Sep 1416 µg/m³
PM2.5 (µg/m³)Level
Jan66Unhealthy
Feb73Unhealthy
Mar42Poor
Apr32Moderate
May23Moderate
Jun22Moderate
Jul21Moderate
Aug18Moderate
Sep15Moderate
Oct19Moderate
Nov26Moderate
Dec53Poor
Location & terrain

Where is Douala?

Douala sits at 4.0°N, 9.7°E, 19 m above sea level, in Cameroon. The nearest listed city is Souza Gare, 23 km away.

Topography around Douala

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

Within 3 km, the terrain around Douala has only modest variations in elevation — a maximum elevation change of 41 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,012 m.

The land around Douala is covered by artificial surfaces (79%) within 3 km, trees (30%), artificial surfaces (25%) and mangroves (21%) within 16 km, and trees (69%) and water (22%) within 80 km.

3 km
41 m
16 km
79 m
80 km
4,012 m
treesgrasslandartificial surfaceswatermangroves
September weather nearby: Souza Gare 23 km · Tiko 38 km · Muyuka 42 km · Mutengene 44 km · Dizangué 44 km · Buea 53 km · Mbanga 53 km · Edéa 55 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 Douala (4.0483°, 9.7043°, elevation 19 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).