Kolokani weather in September

In September, Kolokani sees average daytime highs of 31°C and overnight lows near 23°C, with 142 mm of rain across 18.5 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 24% 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 Kolokani's 10th-clearest and 12th-windiest month. For the whole year in context, see Kolokani's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
142 mm
18.5 wet days
Daylight
12 h 06 min
6:24 AM – 6:29 PM
Cloud cover
62%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
5.74 kWh/m²
Travel score
3.6
out of 10

Kolokani is human settlement.

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 Kolokani 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
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233223
243223
253223
263223
273223
283223
293223
303223

How September really feels in Kolokani

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.

Kolokani 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°00.111.35.4
Feb35° / 21°00.111.53.6
Mar38° / 24°10.311.91.6
Apr39° / 27°41.212.30.3
May39° / 27°174.612.60.5
Jun36° / 26°5910.812.81.9
Jul32° / 24°16720.612.73.2
Aug30° / 23°24523.112.53.5
Sep31° / 23°14218.512.13.6
Oct34° / 23°33711.73.2
Nov35° / 21°10.211.43.3
Dec32° / 19°00.111.24.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% 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
33070
43169
53268
63367
73466
83565
93763
103862
113862
124060
134159
144258
154357
164456
174654
184753
194951
204951
215050
225248
235347
245446
255644
265644
275842
285842
295941
305941

Chance of precipitation in September

Any precipitation

Kolokani gets around 142 mm of rain over 18.5 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 61% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
173
272
372
471
570
670
769
868
968
1067
1166
1266
1365
1465
1564
1663
1762
1862
1961
2059
2158
2256
2354
2452
2550
2648
2746
2844
2942
3041

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1000964
2000964
3000964
4000964
5000955
6000955
7000955
8000946
9000946
10000937
11000937
12000937
13000928
14000928
15000919
16000919
17000919
180009010
190009010
200009010
210009010
220018910
23001909
24001909
25012889
26012898
27013888
28014878
29024877
30125857

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
88calm
98calm
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 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 6:24 AM to 6:25 AM, and sunset from 6:40 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:246:40
212.36:246:39
312.26:246:38
412.26:246:38
512.26:246:37
612.26:246:36
712.26:246:35
812.26:246:35
912.26:246:34
1012.26:246:33
1112.16:246:32
1212.16:246:32
1312.16:246:31
1412.16:246:30
1512.16:246:29
1612.16:246:29
1712.16:246:28
1812.06:246:27
1912.06:246:26
2012.06:246:26
2112.06:246:25
2212.06:246:24
2312.06:246:23
2412.06:246:23
2512.06:246:22
2611.96:246:21
2711.96:256:20
2811.96:256:20
2911.96:256:19
3011.96:256:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.74 kWh/m².

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 6.95 kWh/m² in April across the year — September's 5.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Kolokani

In seasonPeak

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

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

Kolokani sees seasonal dust haze (February–August), heaviest in June.

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

Is September a good time to visit Kolokani?

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

3.6
Sightseeing
3rd-best month of the year
5.3
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Kolokani.

What to pack for Kolokani in September

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

In September, Kolokani 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 Kolokani 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 Kolokani peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 17UV 13Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Kolokani 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 Kolokani is worst in February — around 66 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (August, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 2066 µg/m³Aug 1718 µg/m³
PM2.5 (µg/m³)Level
Jan56Unhealthy
Feb66Unhealthy
Mar64Unhealthy
Apr55Poor
May42Poor
Jun38Poor
Jul24Moderate
Aug17Moderate
Sep24Moderate
Oct45Poor
Nov54Poor
Dec53Poor
Location & terrain

Where is Kolokani?

Kolokani sits at 13.6°N, 8.0°W, 411 m above sea level, in Mali. The nearest listed city is Banamba, 63 km away.

MoribabougouBamako

Topography around Kolokani

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

Within 3 km, the terrain around Kolokani has only modest variations in elevation — a maximum elevation change of 95 m around an average of 407 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, significant variations in elevation — a maximum elevation change of 330 m.

The land around Kolokani is covered by cropland (47%) and grassland (27%) within 3 km, grassland (35%), cropland (33%) and shrubs (31%) within 16 km, and shrubs (39%), grassland (31%) and cropland (29%) within 80 km.

3 km
95 m
16 km
135 m
80 km
330 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Banamba 63 km · Toubakoura 71 km · Kati 92 km · Koulikoro 94 km · Dialakorodji 97 km · Sangarébougou 98 km · Moribabougou 100 km · Bamako 107 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 Kolokani (13.5739°, -8.0327°, elevation 411 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).