Karankasso weather in September

In September, Karankasso sees average daytime highs of 30°C and overnight lows near 22°C, with 155 mm of rain across 20.6 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 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 18% 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 Karankasso's 10th-clearest and 12th-windiest month. For the whole year in context, see Karankasso's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
6th coldest
Rainfall
155 mm
20.6 wet days
Daylight
12 h 06 min
6:11 AM – 6:15 PM
Cloud cover
65%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
5.42 kWh/m²
Travel score
3.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical September day in Karankasso reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243122
253122
263122
273123
283123
293123
303123

How September really feels in Karankasso

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.

Karankasso 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
Jan32° / 18°10.211.45.1
Feb35° / 21°10.411.63.3
Mar37° / 24°92.411.91.9
Apr37° / 26°358.112.21.8
May35° / 25°7113.812.52.4
Jun32° / 24°9015.812.63.4
Jul30° / 23°1792212.63.6
Aug29° / 22°25325.112.43.5
Sep30° / 22°15520.612.13.7
Oct32° / 23°6112.211.73.8
Nov34° / 21°50.911.53.9
Dec33° / 18°00.111.44.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22773
32773
42971
53070
63169
73268
83367
93565
103664
113763
123862
133961
144159
154258
164258
174357
184357
194555
204654
214753
224852
234852
244951
255050
265050
275149
285149
295347
305347

Chance of precipitation in September

Any precipitation

Karankasso gets around 155 mm of rain over 20.6 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 69% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
176
276
375
474
573
672
772
871
971
1070
1170
1270
1370
1470
1570
1669
1769
1869
1969
2068
2168
2267
2366
2465
2565
2664
2762
2861
2960
3058

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
Muggy (%)Oppressive (%)Miserable (%)
11990
21990
31990
41990
51990
61990
71990
81990
91990
101981
111981
121981
131981
141981
150991
160991
170991
180991
190991
200991
210991
220991
230991
240991
251981
261981
271981
281981
291981
301981

Wind in September

Winds average 7 km/h in September, the calmest month.

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

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:12 AM to 6:11 AM, and sunset from 6:25 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:126:25
212.26:126:24
312.26:126:24
412.26:126:23
512.26:126:22
612.26:126:22
712.26:126:21
812.16:116:20
912.16:116:20
1012.16:116:19
1112.16:116:18
1212.16:116:17
1312.16:116:17
1412.16:116:16
1512.16:116:15
1612.16:116:15
1712.16:116:14
1812.06:116:13
1912.06:116:13
2012.06:116:12
2112.06:116:11
2212.06:116:11
2312.06:116:10
2412.06:116:09
2512.06:116:09
2612.06:116:08
2711.96:116:07
2811.96:116:07
2911.96:116:06
3011.96:116:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.42 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.56 kWh/m² in March across the year — September's 5.42 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Karankasso

In seasonPeak

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

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

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

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

Is September a good time to visit Karankasso?

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

3.7
Sightseeing
5th-best month of the year
5.1
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Karankasso.

What to pack for Karankasso in September

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

In September, Karankasso sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Karankasso 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 Karankasso peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highMar 18UV 14Dec 21UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar14Extreme
Apr11Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Karankasso 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 Karankasso is worst in February — around 58 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (August, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorFeb 1857 µg/m³Aug 1312 µg/m³
PM2.5 (µg/m³)Level
Jan46Poor
Feb58Unhealthy
Mar52Poor
Apr42Poor
May24Moderate
Jun20Moderate
Jul14Moderate
Aug12Good
Sep18Moderate
Oct26Moderate
Nov29Moderate
Dec41Poor
Location & terrain

Where is Karankasso?

Karankasso sits at 11.2°N, 4.6°W, 352 m above sea level, in Burkina Faso. The nearest listed city is Bobo-Dioulasso, 38 km away.

BanforaBamaFinnkoloKouriNiangolokoSikasso

Topography around Karankasso

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

Within 3 km, the terrain around Karankasso has only modest variations in elevation — a maximum elevation change of 112 m around an average of 366 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 290 m; within 80 km, significant variations in elevation — a maximum elevation change of 439 m.

The land around Karankasso is covered by cropland (36%), grassland (28%) and shrubs (27%) within 3 km, cropland (37%), shrubs (30%) and grassland (22%) within 16 km, and cropland (39%) and shrubs (34%) within 80 km.

3 km
112 m
16 km
290 m
80 km
439 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Bobo-Dioulasso 38 km · Orodara 40 km · Banfora 66 km · Bama 94 km · Finnkolo 95 km · Kouri 108 km · Niangoloko 109 km · Sikasso 112 km

Burkina Faso travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$1,148
2025
Happiness
4.5 / 10
World Happiness, 2025
Homicide rate
1.3
per 100k, 2017
Road deaths
31
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 64%Roman Catholic 20%Animiste 9%Protestant 6%

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 Karankasso (11.2219°, -4.6442°, elevation 352 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).