Yanfolila weather in September

In September, Yanfolila sees average daytime highs of 30°C and overnight lows near 22°C, with 192 mm of rain across 22.8 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 14% 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 Yanfolila's 10th-clearest and 11th-windiest month. For the whole year in context, see Yanfolila's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
5th coldest
Rainfall
192 mm
22.8 wet days
Daylight
12 h 06 min
6:25 AM – 6:29 PM
Cloud cover
69%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
5.09 kWh/m²
Travel score
3.5
out of 10

Yanfolila is town in Bougouni Region, Mali.

Density
2,218/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Yanfolila reaches about 30°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243023
253023
263023
273123
283123
293123
303123

How September really feels in Yanfolila

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.

Yanfolila 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°10.311.44.9
Feb35° / 22°20.311.63.2
Mar37° / 25°41.211.91.8
Apr37° / 26°225.112.21.5
May35° / 25°6811.812.52.3
Jun32° / 24°13118.212.63.2
Jul30° / 23°21723.712.63.5
Aug29° / 23°25325.612.43.4
Sep30° / 22°19222.812.13.5
Oct32° / 23°7612.711.74.0
Nov33° / 21°61.211.54.2
Dec33° / 19°00.111.44.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 67%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21981
32080
42179
52278
62278
72476
82575
92575
102872
112872
123070
133070
143367
153367
163565
173565
183763
193862
203961
214060
224159
234159
244258
254357
264357
274456
284456
294654
304654

Chance of precipitation in September

Any precipitation

Yanfolila gets around 192 mm of rain over 22.8 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 75% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
184
283
383
483
582
682
781
881
980
1079
1179
1278
1378
1477
1577
1676
1776
1875
1975
2074
2173
2272
2371
2470
2569
2668
2766
2865
2963
3062

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8982
9982
10982
11982
12982
13973
14973
15973
16973
17973
18964
19964
20964
21964
22964
23964
24964
25964
26964
27964
28964
29964
30964

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
28calm
38calm
48calm
58calm
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 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 6:26 AM to 6:25 AM, and sunset from 6:39 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:266:39
212.26:266:38
312.26:266:38
412.26:266:37
512.26:266:36
612.26:266:36
712.26:266:35
812.16:266:34
912.16:256:34
1012.16:256:33
1112.16:256:32
1212.16:256:32
1312.16:256:31
1412.16:256:30
1512.16:256:29
1612.16:256:29
1712.16:256:28
1812.06:256:27
1912.06:256:27
2012.06:256:26
2112.06:256:25
2212.06:256:25
2312.06:256:24
2412.06:256:23
2512.06:256:23
2612.06:256:22
2711.96:256:21
2811.96:256:21
2911.96:256:20
3011.96:256:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.66 kWh/m² in March across the year — September's 5.09 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Yanfolila

In seasonPeak

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

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

Yanfolila 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 Yanfolila?

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

3.5
Sightseeing
5th-best month of the year
4.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Yanfolila.

What to pack for Yanfolila in September

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

In September, Yanfolila sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Yanfolila 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 Yanfolila peaks around March 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr11Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Yanfolila 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 Yanfolila is worst in February — around 55 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (August, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateModeratePoorFeb 1954 µg/m³Aug 1511 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb55Poor
Mar52Poor
Apr45Poor
May25Moderate
Jun21Moderate
Jul15Moderate
Aug11Good
Sep16Moderate
Oct25Moderate
Nov27Moderate
Dec39Poor
Location & terrain

Where is Yanfolila?

Yanfolila sits at 11.2°N, 8.2°W, 363 m above sea level, in Mali. The nearest listed city is Bougouni, 77 km away.

SiguiriSibiBambaKintinianKabala

Topography around Yanfolila

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

Within 3 km, the terrain around Yanfolila has only modest variations in elevation — a maximum elevation change of 60 m around an average of 372 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, only modest variations in elevation — a maximum elevation change of 217 m.

The land around Yanfolila is covered by grassland (34%) and shrubs (28%) within 3 km, shrubs (33%), grassland (24%) and trees (22%) within 16 km, and shrubs (40%) and grassland (24%) within 80 km.

3 km
60 m
16 km
122 m
80 km
217 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Bougouni 77 km · Mandiana 86 km · Kangaba 88 km · Siguiri 114 km · Sibi 134 km · Bamba 141 km · Kintinian 142 km · Kabala 150 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 Yanfolila (11.1833°, -8.15°, elevation 363 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).