Koulikoro weather in September

In September, Koulikoro sees average daytime highs of 31°C and overnight lows near 23°C, with 164 mm of rain across 19.3 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 23% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Koulikoro's 10th-clearest and 11th-windiest month. For the whole year in context, see Koulikoro's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
164 mm
19.3 wet days
Daylight
12 h 06 min
6:22 AM – 6:27 PM
Cloud cover
64%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
5.58 kWh/m²
Travel score
3.5
out of 10

Koulikoro is town in Mali.

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

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 Koulikoro 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 29°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
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253223
263223
273223
283223
293223
303223

How September really feels in Koulikoro

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.

Koulikoro 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°10.111.35.2
Feb35° / 21°00.111.63.3
Mar38° / 24°20.511.91.4
Apr39° / 27°62.412.30.5
May38° / 27°297.212.61.0
Jun35° / 25°7513.212.72.3
Jul31° / 24°19721.812.73.2
Aug30° / 23°26324.212.43.3
Sep31° / 23°16419.312.13.5
Oct34° / 23°427.911.73.4
Nov35° / 20°20.311.43.4
Dec33° / 18°0011.34.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22674
32872
42872
52971
63070
73268
83367
93466
103664
113763
123763
133961
144060
154159
164357
174555
184654
194654
204753
214951
225149
235149
245248
255248
265446
275446
285545
295545
305545

Chance of precipitation in September

Any precipitation

Koulikoro gets around 164 mm of rain over 19.3 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 64% 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
275
375
474
574
673
773
872
971
1071
1170
1269
1368
1467
1566
1665
1764
1863
1962
2060
2159
2258
2356
2454
2553
2651
2749
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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100955
200955
300955
400946
500946
600937
700937
800928
900919
1000919
11009010
12008911
13008812
14008812
15008713
16008614
17008614
18008515
19008515
20008416
21008416
22008416
23008416
24008317
25018217
26018217
27018316
28018316
29028216
30128215

Wind in September

Winds average 7 km/h in September.

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
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 18 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 24 minutes over September. Sunrise moves from 6:22 AM to 6:23 AM, and sunset from 6:37 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:226:37
212.26:226:37
312.26:226:36
412.26:226:35
512.26:226:35
612.26:226:34
712.26:226:33
812.26:226:33
912.26:226:32
1012.16:226:31
1112.16:226:30
1212.16:226:30
1312.16:226:29
1412.16:226:28
1512.16:226:27
1612.16:226:27
1712.16:226:26
1812.06:226:25
1912.06:226:24
2012.06:226:24
2112.06:226:23
2212.06:226:22
2312.06:226:22
2412.06:226:21
2512.06:226:20
2611.96:226:19
2711.96:226:19
2811.96:236:18
2911.96:236:17
3011.96:236:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.58 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 6.8 kWh/m² in March across the year — September's 5.58 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Koulikoro

In seasonPeak

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

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

Koulikoro 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 Koulikoro?

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

3.5
Sightseeing
3rd-best month of the year
5.2
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Koulikoro.

What to pack for Koulikoro in September

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

In September, Koulikoro sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Koulikoro 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 Koulikoro peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 17UV 13Dec 19UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar14Extreme
Apr11Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Koulikoro 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 Koulikoro is worst in February — around 64 µg/m³ PM2.5 (unhealthy), about 4.0× the cleanest month (August, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 2164 µg/m³Aug 1517 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb64Unhealthy
Mar63Unhealthy
Apr53Poor
May35Moderate
Jun30Moderate
Jul21Moderate
Aug16Moderate
Sep23Moderate
Oct35Poor
Nov38Poor
Dec46Poor
Location & terrain

Where is Koulikoro?

Koulikoro sits at 12.9°N, 7.6°W, 320 m above sea level, in Mali. The nearest listed city is Moribabougou, 38 km away.

Topography around Koulikoro

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

Within 3 km, the terrain around Koulikoro has only modest variations in elevation — a maximum elevation change of 97 m around an average of 317 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 225 m; within 80 km, significant variations in elevation — a maximum elevation change of 324 m.

The land around Koulikoro is covered by grassland (31%) and water (21%) within 3 km, shrubs (48%) and grassland (29%) within 16 km, and shrubs (41%), cropland (28%) and grassland (26%) within 80 km.

3 km
97 m
16 km
225 m
80 km
324 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Moribabougou 38 km · Sangarébougou 41 km · Dialakorodji 47 km · Sirakoro Méguétana 51 km · Bamako 53 km · Kati 57 km · Kalaban Koro 60 km · Kabala 64 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 Koulikoro (12.8627°, -7.5598°, elevation 320 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).