Bankass weather in September

In September, Bankass sees average daytime highs of 33°C and overnight lows near 24°C, with 64 mm of rain across 11.5 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 35°C by the end. The sky is clear or mostly clear about 38% 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 Bankass's 11th-clearest and 12th-windiest month. For the whole year in context, see Bankass's year-round climate.

Daytime high
33°
8th warmest
Overnight low
24°
8th coldest
Rainfall
64 mm
11.5 wet days
Daylight
12 h 06 min
6:06 AM – 6:11 PM
Cloud cover
52%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
6.25 kWh/m²
Travel score
3.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 35°C by the end.

A typical September day in Bankass reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93324
103324
113324
123324
133324
143324
153324
163324
173324
183424
193424
203424
213424
223424
233424
243424
253524
263524
273524
283524
293524
303524

How September really feels in Bankass

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.

Bankass weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 16°10.111.36.5
Feb33° / 19°0011.54.5
Mar37° / 22°00.211.92.1
Apr39° / 26°41.212.30.5
May39° / 27°62.212.60.4
Jun37° / 27°266.412.81.6
Jul34° / 25°9515.312.72.8
Aug32° / 24°1451812.53.4
Sep33° / 24°6411.512.13.2
Oct36° / 23°123.211.72.3
Nov35° / 20°0011.33.3
Dec31° / 17°0011.25.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24852
34852
45050
55149
65248
75248
85446
95545
105743
115743
125842
136040
146040
156139
166238
176238
186337
196535
206535
216634
226733
236832
247030
257030
267129
277129
287129
297228
307228

Chance of precipitation in September

Any precipitation

Bankass gets around 64 mm of rain over 11.5 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 39% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
252
352
451
551
650
749
848
948
1047
1146
1245
1344
1443
1542
1640
1739
1837
1936
2034
2132
2231
2329
2428
2526
2625
2723
2822
2921
3020

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10002971
20002971
30003961
40003961
50003961
60004951
70004951
80005941
90005941
100006931
110007921
120007921
130008911
140009892
1500010882
1600012862
1700113851
1800115831
1900117811
2000119791
2100221761
2200223741
2300325711
2400327691
2500428671
2611530621
2711632600
2811833570
2911934550
30121035520

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
17calm
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
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 6:05 AM to 6:07 AM, and sunset from 6:22 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:056:22
212.36:066:21
312.36:066:21
412.26:066:20
512.26:066:19
612.26:066:18
712.26:066:18
812.26:066:17
912.26:066:16
1012.26:066:15
1112.16:066:15
1212.16:066:14
1312.16:066:13
1412.16:066:12
1512.16:066:11
1612.16:066:11
1712.16:066:10
1812.16:066:09
1912.06:066:08
2012.06:066:08
2112.06:066:07
2212.06:066:06
2312.06:066:05
2412.06:066:05
2512.06:066:04
2611.96:066:03
2711.96:076:02
2811.96:076:02
2911.96:076:01
3011.96:076:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.25 kWh/m².

For context, solar energy here swings from a low near 5.51 kWh/m² to a high of 6.99 kWh/m² in April across the year — September's 6.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Bankass

In seasonPeak

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

Bankass sees seasonal dust haze (January–October), heaviest in May.

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

Is September a good time to visit Bankass?

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

3.2
Sightseeing
6th-best month of the year
5.8
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Bankass.

What to pack for Bankass in September

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

In September, Bankass sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Bankass 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 Bankass peaks around March 16 at about 13 (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 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Bankass 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 Bankass is worst in March — around 71 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (August, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 971 µg/m³Aug 1916 µg/m³
PM2.5 (µg/m³)Level
Jan61Unhealthy
Feb71Unhealthy
Mar71Unhealthy
Apr59Unhealthy
May47Poor
Jun39Poor
Jul23Moderate
Aug15Moderate
Sep19Moderate
Oct31Moderate
Nov35Poor
Dec51Poor
Location & terrain

Where is Bankass?

Bankass sits at 14.1°N, 3.5°W, 301 m above sea level, in Mali. The nearest listed city is Bandiagara, 32 km away.

DjennéDouentzaTouganOuahigouyaNouna

Topography around Bankass

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

Within 3 km, the terrain around Bankass has only modest variations in elevation — a maximum elevation change of 20 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 282 m; within 80 km, significant variations in elevation — a maximum elevation change of 505 m.

The land around Bankass is covered by cropland (73%) within 3 km, cropland (55%) and grassland (42%) within 16 km, and grassland (56%) and cropland (25%) within 80 km.

3 km
20 m
16 km
282 m
80 km
505 m
shrubsgrasslandcroplandartificial surfacesbare terrainwetland
September weather nearby: Bandiagara 32 km · Koro 48 km · Mopti 85 km · Djenné 114 km · Douentza 120 km · Tougan 122 km · Ouahigouya 131 km · Nouna 155 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 Bankass (14.0775°, -3.5159°, elevation 301 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).