Kérouané weather in September

In September, Kérouané sees average daytime highs of 29°C and overnight lows near 20°C, with 255 mm of rain across 27.5 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% of the time in September, and the air most often feels muggy.

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 Kérouané's 10th-clearest and 11th-windiest month. For the whole year in context, see Kérouané's year-round climate.

Daytime high
29°
10th warmest
Overnight low
20°
6th coldest
Rainfall
255 mm
27.5 wet days
Daylight
12 h 06 min
6:29 AM – 6:32 PM
Cloud cover
77%
10th clearest
Wind
5 km/h
11th windiest
Solar energy
4.77 kWh/m²
Travel score
3.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Kérouané reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42820
52820
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
243020
253020
263020
273020
283020
293020
303020

How September really feels in Kérouané

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kérouané weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 17°71.311.55.1
Feb34° / 19°152.511.73.9
Mar34° / 22°539.511.93.1
Apr33° / 22°1181812.22.8
May31° / 21°20525.512.42.8
Jun30° / 21°21026.212.53.1
Jul28° / 21°2472812.53.4
Aug28° / 21°28027.612.33.6
Sep29° / 20°25527.512.13.1
Oct31° / 20°16923.411.83.3
Nov32° / 19°417.211.64.5
Dec32° / 17°5111.55.3

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 17% of September, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
21090
31090
41090
51288
61288
71387
81387
91486
101486
111585
121684
131783
141882
151882
161981
172179
182179
192278
202377
212575
222674
232674
242773
252872
262971
273070
283070
293070
303169

Chance of precipitation in September

Any precipitation

Kérouané gets around 255 mm of rain over 27.5 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 92% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
591
691
792
892
992
1092
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2192
2292
2392
2491
2591
2690
2790
2889
2989
3088

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
17525
27525
37525
47426
57426
67426
77327
87327
97228
107228
117228
127129
137129
147129
157030
167030
177030
187030
197030
207030
217030
227129
237129
247129
257129
267228
277228
287228
297228
307228

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
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
285calm
295calm
305calm

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 6:30 AM to 6:28 AM, and sunset from 6:41 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:306:41
212.26:306:41
312.26:306:40
412.26:306:39
512.16:306:39
612.16:306:38
712.16:306:38
812.16:306:37
912.16:306:36
1012.16:306:36
1112.16:296:35
1212.16:296:34
1312.16:296:34
1412.16:296:33
1512.16:296:33
1612.16:296:32
1712.06:296:31
1812.06:296:31
1912.06:296:30
2012.06:286:29
2112.06:286:29
2212.06:286:28
2312.06:286:27
2412.06:286:27
2512.06:286:26
2612.06:286:26
2712.06:286:25
2811.96:286:24
2911.96:286:24
3011.96:286:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 6.05 kWh/m² in February across the year — September's 4.77 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Kérouané

In seasonPeak

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

Kérouané's monsoon runs May–October, when most of the year's rain falls.

Kérouané sees seasonal dust haze (February–April), heaviest in April.

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

Is September a good time to visit Kérouané?

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

3.1
Sightseeing
8th-best month of the year
4.0
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Kérouané.

What to pack for Kérouané in September

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

In September, Kérouané sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Kérouané 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 Kérouané peaks around March 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 17UV 13Dec 15UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr12Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Kérouané 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 Kérouané is worst in February — around 147 µg/m³ PM2.5 (unhealthy), about 18.1× the cleanest month (August, 8 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModerateUnhealthyFeb 12144 µg/m³Aug 168 µg/m³
PM2.5 (µg/m³)Level
Jan131Unhealthy
Feb147Unhealthy
Mar113Unhealthy
Apr45Poor
May23Moderate
Jun17Moderate
Jul10Good
Aug8Good
Sep11Good
Oct19Moderate
Nov29Moderate
Dec89Unhealthy
Location & terrain

Where is Kérouané?

Kérouané sits at 9.3°N, 9.0°W, 533 m above sea level, in Guinea. The nearest listed city is Moussadou, 71 km away.

MoussadouBeylaMacentaKissidougouAlbadériaVoinjamaKankanYende Millimou

Topography around Kérouané

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

Within 3 km, the terrain around Kérouané has only modest variations in elevation — a maximum elevation change of 58 m around an average of 509 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 942 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,213 m.

The land around Kérouané is covered by grassland (62%) within 3 km, trees (47%) and grassland (35%) within 16 km, and trees (47%) and grassland (37%) within 80 km.

3 km
58 m
16 km
942 m
80 km
1,213 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Moussadou 71 km · Beyla 76 km · Macenta 95 km · Kissidougou 119 km · Albadéria 123 km · Voinjama 124 km · Kankan 128 km · Yende Millimou 134 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 Kérouané (9.2667°, -9.0167°, elevation 533 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).