Banamba weather in September

In September, Banamba sees average daytime highs of 31°C and overnight lows near 23°C, with 134 mm of rain across 17 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 33°C by the end. The sky is clear or mostly clear about 27% 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 Banamba's 10th-clearest and 12th-windiest month. For the whole year in context, see Banamba's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
134 mm
17 wet days
Daylight
12 h 06 min
6:22 AM – 6:26 PM
Cloud cover
61%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
5.82 kWh/m²
Travel score
3.6
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 33°C by the end.

A typical September day in Banamba 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 34°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193223
203223
213223
223223
233223
243223
253223
263223
273223
283323
293323
303323

How September really feels in Banamba

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.

Banamba 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°10.111.35.4
Feb35° / 21°00.111.53.6
Mar38° / 24°10.111.91.6
Apr40° / 27°41.412.30.3
May39° / 28°164.212.60.4
Jun37° / 26°5310.212.81.7
Jul32° / 24°1602012.73.1
Aug30° / 23°22722.612.53.4
Sep31° / 23°1341712.13.6
Oct35° / 23°285.911.72.9
Nov35° / 21°10.211.43.2
Dec32° / 18°00.111.24.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33367
43466
53565
63565
73664
83763
93862
103961
114159
124159
134258
144456
154555
164654
174753
184852
194951
205149
215149
225347
235446
245545
255743
265743
275842
285941
296040
306040

Chance of precipitation in September

Any precipitation

Banamba gets around 134 mm of rain over 17 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 56% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
170
269
369
468
568
667
766
866
965
1064
1163
1262
1361
1460
1559
1658
1757
1855
1954
2052
2150
2249
2347
2445
2543
2641
2739
2837
2936
3034

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10000964
20000964
30000964
40000964
50000964
60000955
70000955
80000946
90000946
100000937
110000937
120000928
130000919
140000919
1500009010
1600009010
1700008911
1800008911
1900008911
2000008911
2100018811
2200018811
2300018811
2400128710
2500128710
260013879
270014869
280025858
290126838
301128817

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
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
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 6:22 AM to 6:22 AM, and sunset from 6:37 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:226:37
212.36:226:37
312.26:226:36
412.26:226:35
512.26:226:35
612.26:226:34
712.26:226:33
812.26:226:32
912.26:226:32
1012.26:226:31
1112.16:226:30
1212.16:226:29
1312.16:226:29
1412.16:226:28
1512.16:226:27
1612.16:226:26
1712.16:226:26
1812.06:226:25
1912.06:226:24
2012.06:226:23
2112.06:226:23
2212.06:226:22
2312.06:226:21
2412.06:226:20
2512.06:226:20
2611.96:226:19
2711.96:226:18
2811.96:226:17
2911.96:226:17
3011.96:226:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.82 kWh/m².

For context, solar energy here swings from a low near 5.16 kWh/m² to a high of 6.93 kWh/m² in April across the year — September's 5.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Banamba

In seasonPeak

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

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

Banamba 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 Banamba?

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
5.5
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Banamba.

What to pack for Banamba in September

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

In September, Banamba sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Banamba 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 Banamba peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 18UV 13Dec 20UV 8
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Banamba 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 Banamba is worst in February — around 66 µg/m³ PM2.5 (unhealthy), about 4.1× the cleanest month (August, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 2065 µg/m³Aug 1717 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb66Unhealthy
Mar64Unhealthy
Apr54Poor
May42Poor
Jun38Poor
Jul23Moderate
Aug16Moderate
Sep22Moderate
Oct36Poor
Nov35Poor
Dec48Poor
Location & terrain

Where is Banamba?

Banamba sits at 13.5°N, 7.4°W, 378 m above sea level, in Mali. The nearest listed city is Toubakoura, 12 km away.

FanaSangarébougouMoribabougouDialakorodjiKati

Topography around Banamba

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

Within 3 km, the terrain around Banamba has only modest variations in elevation — a maximum elevation change of 83 m around an average of 385 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, significant variations in elevation — a maximum elevation change of 255 m.

The land around Banamba is covered by cropland (45%) and grassland (28%) within 3 km, cropland (38%), shrubs (35%) and grassland (25%) within 16 km, and shrubs (38%), grassland (32%) and cropland (29%) within 80 km.

3 km
83 m
16 km
139 m
80 km
255 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Toubakoura 12 km · Kolokani 63 km · Koulikoro 77 km · Fana 101 km · Sangarébougou 106 km · Moribabougou 106 km · Dialakorodji 109 km · Kati 112 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 Banamba (13.5477°, -7.4481°, elevation 378 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).