Conakry weather in September

In September, Conakry sees average daytime highs of 27°C and overnight lows near 25°C, with 516 mm of rain across 28.8 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 3% 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 Conakry's 10th-clearest and 4th-windiest month. For the whole year in context, see Conakry's year-round climate.

Daytime high
27°
9th warmest
Overnight low
25°
3rd coldest
Rainfall
516 mm
28.8 wet days
Daylight
12 h 06 min
6:47 AM – 6:51 PM
Cloud cover
81%
10th clearest
Wind
13 km/h
4th windiest
Solar energy
4.34 kWh/m²
Travel score
3.5
out of 10

Conakry is capital of Guinea.

Density
4,285/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 27°C through the month.

A typical September day in Conakry reaches about 27°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12625
22625
32625
42625
52625
62625
72625
82625
92625
102725
112725
122725
132725
142725
152725
162725
172725
182725
192725
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725

Conakry weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°3111.58.3
Feb27° / 26°10.411.78.5
Mar27° / 26°10.211.98.5
Apr27° / 26°51.212.28.1
May27° / 26°8812.812.45.9
Jun27° / 26°35827.312.53.7
Jul27° / 25°77730.512.53.4
Aug26° / 25°86430.512.33.4
Sep27° / 25°51628.812.13.5
Oct27° / 25°22527.611.83.9
Nov28° / 26°7716.611.65.3
Dec28° / 26°12311.57.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3991
4991
5991
61090
71090
81189
91288
101387
111387
121387
131387
141486
151486
161486
171486
181684
191684
201783
211783
221783
231981
241981
252080
262179
272278
282278
292377
302476

Chance of precipitation in September

Any precipitation

Conakry gets around 516 mm of rain over 28.8 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 96% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
497
597
697
797
896
996
1096
1196
1296
1396
1496
1596
1696
1796
1896
1996
2096
2196
2296
2395
2495
2595
2695
2794
2894
2994
3094

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17982
18982
19982
20982
21982
22982
23982
24982
25973
26973
27973
28973
29964
30964

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2912calm
3012calm

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 6:49 AM to 6:46 AM, and sunset from 7:00 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:497:00
212.26:496:59
312.26:496:59
412.26:496:58
512.26:496:58
612.16:486:57
712.16:486:56
812.16:486:56
912.16:486:55
1012.16:486:54
1112.16:486:54
1212.16:486:53
1312.16:486:53
1412.16:486:52
1512.16:486:51
1612.16:476:51
1712.06:476:50
1812.06:476:49
1912.06:476:49
2012.06:476:48
2112.06:476:47
2212.06:476:47
2312.06:476:46
2412.06:476:45
2512.06:476:45
2612.06:476:44
2712.06:466:44
2811.96:466:43
2911.96:466:42
3011.96:466:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.51 kWh/m² in March across the year — September's 4.34 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Conakry

In seasonPeak

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

Conakry's monsoon runs July–September, when most of the year's rain falls.

Conakry sees seasonal dust haze (February–May), heaviest in February.

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

Is September a good time to visit Conakry?

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

3.5
Sightseeing
10th-best month of the year
3.5
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Conakry.

What to pack for Conakry in September

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

In September, Conakry sees daytime highs around 27°C and nights near 25°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.

rain gearlight clothes

Sea temperature near Conakry in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in November at about 29°C and coldest in August near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May28Tropical
Jun28Tropical
Jul28Warm
Aug27Warm
Sep28Warm
Oct28Tropical
Nov29Tropical
Dec29Tropical

UV index in Conakry in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Conakry peaks around August 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highAug 20UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Conakry 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 Conakry is worst in April — around 95 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 17 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModeratePoorUnhealthyApr 1592 µg/m³Aug 1317 µg/m³
PM2.5 (µg/m³)Level
Jan79Unhealthy
Feb89Unhealthy
Mar74Unhealthy
Apr95Unhealthy
May67Unhealthy
Jun30Moderate
Jul19Moderate
Aug17Moderate
Sep21Moderate
Oct33Moderate
Nov46Poor
Dec74Unhealthy
Location & terrain

Where is Conakry?

Conakry sits at 9.5°N, 13.7°W, 13 m above sea level, in Guinea. The nearest listed city is Camayenne, 1.0 km away.

ForécariahFriaKindia

Topography around Conakry

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

Within 3 km, the terrain around Conakry has only modest variations in elevation — a maximum elevation change of 40 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, large variations in elevation — a maximum elevation change of 980 m.

The land around Conakry is covered by water (70%) and artificial surfaces (27%) within 3 km, water (81%) within 16 km, and water (43%) and trees (22%) within 80 km.

3 km
40 m
16 km
166 m
80 km
980 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Camayenne 1.0 km · Dixinn 2.0 km · Dubréka 33 km · Manéah 36 km · Coyah 37 km · Forécariah 66 km · Fria 93 km · Kindia 106 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 0%

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 Conakry (9.538°, -13.6773°, elevation 13 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).