Bamba weather in September

In September, Bamba sees average daytime highs of 31°C and overnight lows near 22°C, with 225 mm of rain across 24.9 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 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 13% 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 Bamba's 10th-clearest and 12th-windiest month. For the whole year in context, see Bamba's year-round climate.

Daytime high
31°
10th warmest
Overnight low
22°
6th coldest
Rainfall
225 mm
24.9 wet days
Daylight
12 h 06 min
6:21 AM – 6:25 PM
Cloud cover
71%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
5.15 kWh/m²
Travel score
2.9
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 Bamba reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°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 2°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243222
253222
263222
273222
283222
293222
303222

How September really feels in Bamba

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.

Bamba 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
Jan33° / 19°30.611.54.7
Feb35° / 21°40.911.73.2
Mar37° / 24°133.811.92.0
Apr36° / 25°449.512.21.9
May34° / 24°10618.612.52.2
Jun32° / 23°16322.312.62.7
Jul30° / 22°23527.112.52.9
Aug30° / 22°29627.312.33.0
Sep31° / 22°22524.912.12.9
Oct33° / 22°11817.111.83.1
Nov34° / 21°122.711.53.5
Dec33° / 19°10.211.44.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41783
51783
62080
72179
82179
92377
102377
112476
122674
132674
142773
152872
163070
173169
183268
193367
203466
213664
223763
233862
243961
254060
264060
274357
284357
294456
304456

Chance of precipitation in September

Any precipitation

Bamba gets around 225 mm of rain over 24.9 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 83% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
387
487
587
687
787
886
986
1086
1186
1286
1386
1486
1586
1685
1785
1884
1983
2082
2181
2280
2379
2478
2577
2676
2775
2874
2972
3071

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 99% 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
101990
111990
121990
131990
141990
151981
161981
171981
181981
191981
201981
211981
221981
231981
241990
251990
262980
272980
282980
292980
303970

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:22 AM to 6:20 AM, and sunset from 6:34 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:226:34
212.26:226:34
312.26:226:33
412.26:226:32
512.26:226:32
612.26:226:31
712.16:226:31
812.16:226:30
912.16:226:29
1012.16:226:29
1112.16:226:28
1212.16:226:27
1312.16:216:27
1412.16:216:26
1512.16:216:25
1612.16:216:25
1712.06:216:24
1812.06:216:23
1912.06:216:23
2012.06:216:22
2112.06:216:21
2212.06:216:21
2312.06:216:20
2412.06:216:19
2512.06:216:19
2612.06:216:18
2711.96:206:17
2811.96:206:17
2911.96:206:16
3011.96:206:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.15 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.44 kWh/m² in March across the year — September's 5.15 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Bamba

In seasonPeak

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

Bamba's monsoon runs June–September, when most of the year's rain falls.

Bamba sees seasonal dust haze (February–June), heaviest in April.

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

Is September a good time to visit Bamba?

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

2.9
Sightseeing
7th-best month of the year
4.3
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Bamba.

What to pack for Bamba in September

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

In September, Bamba sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Bamba 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 Bamba peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 16UV 14Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr11Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Bamba 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 Bamba is worst in February — around 54 µg/m³ PM2.5 (poor), about 5.6× the cleanest month (August, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1553 µg/m³Aug 1510 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb54Poor
Mar47Poor
Apr42Poor
May24Moderate
Jun20Moderate
Jul13Moderate
Aug10Good
Sep14Moderate
Oct21Moderate
Nov22Moderate
Dec33Moderate
Location & terrain

Where is Bamba?

Bamba sits at 10.4°N, 7.2°W, 367 m above sea level, in Mali. The nearest listed city is Tengréla, 82 km away.

KoliaOdiennéMassiogoBoundialiBougouniYanfolilaM’Bengué

Topography around Bamba

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

Within 3 km, the terrain around Bamba has only modest variations in elevation — a maximum elevation change of 54 m around an average of 370 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 255 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around Bamba is covered by trees (50%) and shrubs (23%) within 3 km, trees (52%) and cropland (21%) within 16 km, and trees (45%), shrubs (26%) and cropland (20%) within 80 km.

3 km
54 m
16 km
255 m
80 km
517 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Tengréla 82 km · Kolia 102 km · Odienné 108 km · Massiogo 114 km · Boundiali 120 km · Bougouni 121 km · Yanfolila 141 km · M’Bengué 143 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 Bamba (10.3833°, -7.15°, elevation 367 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).