Koutiala weather in September

In September, Koutiala sees average daytime highs of 31°C and overnight lows near 23°C, with 141 mm of rain across 18 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 22% 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 Koutiala's 10th-clearest and 12th-windiest month. For the whole year in context, see Koutiala's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
141 mm
18 wet days
Daylight
12 h 06 min
6:14 AM – 6:18 PM
Cloud cover
63%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
5.68 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 30°C in the first days to 32°C by the end.

A typical September day in Koutiala reaches about 31°C in the afternoon and slips back to 23°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 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253223
263223
273223
283223
293223
303223

How September really feels in Koutiala

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.

Koutiala weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°10.211.45.2
Feb35° / 21°00.211.63.3
Mar38° / 24°20.511.91.5
Apr39° / 27°143.712.30.9
May37° / 27°388.812.61.4
Jun35° / 25°631212.72.6
Jul31° / 24°15619.512.73.4
Aug30° / 23°22923.412.43.5
Sep31° / 23°1411812.13.7
Oct34° / 23°418.811.73.4
Nov35° / 21°20.411.43.4
Dec33° / 18°0011.34.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22971
32971
43169
53169
63367
73565
83664
93763
103961
114060
124060
134159
144357
154555
164654
174654
184753
194852
204951
215050
225149
235248
245347
255446
265545
275644
285743
295743
305842

Chance of precipitation in September

Any precipitation

Koutiala gets around 141 mm of rain over 18 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 60% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
171
271
370
469
569
668
767
866
966
1065
1164
1263
1363
1462
1561
1661
1760
1859
1958
2057
2156
2255
2353
2452
2551
2649
2748
2847
2946
3044

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100973
200973
300973
400964
500964
600964
700964
800955
900955
1000946
1100946
1200937
1300928
1400928
1500919
16009010
17009010
18008911
19008911
20008911
21008911
22018811
23018811
24018910
25028810
26028810
2702899
2803898
2904888
3014887

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 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
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 6:14 AM to 6:14 AM, and sunset from 6:29 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:146:29
212.26:146:28
312.26:146:27
412.26:146:27
512.26:146:26
612.26:146:25
712.26:146:25
812.26:146:24
912.16:146:23
1012.16:146:23
1112.16:146:22
1212.16:146:21
1312.16:146:20
1412.16:146:20
1512.16:146:19
1612.16:146:18
1712.16:146:17
1812.06:146:17
1912.06:146:16
2012.06:146:15
2112.06:146:15
2212.06:146:14
2312.06:146:13
2412.06:146:12
2512.06:146:12
2611.96:146:11
2711.96:146:10
2811.96:146:10
2911.96:146:09
3011.96:146:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.68 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.75 kWh/m² in March across the year — September's 5.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Koutiala

In seasonPeak

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

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

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

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

Is September a good time to visit Koutiala?

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

3.7
Sightseeing
3rd-best month of the year
5.4
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Koutiala.

What to pack for Koutiala in September

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

In September, Koutiala sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Koutiala 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 Koutiala peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 13Jan 12UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar14Extreme
Apr11Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Koutiala 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 Koutiala is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (August, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1062 µg/m³Aug 1614 µg/m³
PM2.5 (µg/m³)Level
Jan48Poor
Feb62Unhealthy
Mar63Unhealthy
Apr50Poor
May33Moderate
Jun27Moderate
Jul18Moderate
Aug13Moderate
Sep18Moderate
Oct25Moderate
Nov28Moderate
Dec41Poor
Location & terrain

Where is Koutiala?

Koutiala sits at 12.4°N, 5.5°W, 324 m above sea level, in Mali. The nearest listed city is Bla, 70 km away.

SanSikassoBamaFinnkoloPèlèngana

Topography around Koutiala

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

Within 3 km, the terrain around Koutiala has only modest variations in elevation — a maximum elevation change of 45 m around an average of 361 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 255 m.

The land around Koutiala is covered by artificial surfaces (53%) and cropland (25%) within 3 km, cropland (53%) and shrubs (23%) within 16 km, and cropland (50%) and shrubs (37%) within 80 km.

3 km
45 m
16 km
110 m
80 km
255 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Bla 70 km · Yorosso 75 km · Kouri 75 km · San 118 km · Sikasso 121 km · Bama 122 km · Finnkolo 125 km · Pèlèngana 142 km

Mali travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,193
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
22.7
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 408
Religion
Muslim 94%Christian 3%none 3%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 Koutiala (12.3872°, -5.4651°, elevation 324 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).