Yako weather in September

In September, Yako sees average daytime highs of 32°C and overnight lows near 24°C, with 96 mm of rain across 14.7 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 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 32% 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 Yako's 10th-clearest and 12th-windiest month. For the whole year in context, see Yako's year-round climate.

Daytime high
32°
10th warmest
Overnight low
24°
8th coldest
Rainfall
96 mm
14.7 wet days
Daylight
12 h 06 min
6:01 AM – 6:05 PM
Cloud cover
56%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
6.03 kWh/m²
Travel score
3.5
out of 10

Yako is town in Burkina Faso.

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 31°C in the first days to 33°C by the end.

A typical September day in Yako reaches about 32°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 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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103223
113223
123223
133223
143223
153223
163223
173224
183224
193224
203224
213324
223324
233324
243324
253324
263324
273324
283324
293324
303424

How September really feels in Yako

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.

Yako 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
Jan31° / 17°0011.35.7
Feb34° / 20°00.111.63.9
Mar37° / 23°20.411.91.7
Apr39° / 26°72.112.30.7
May38° / 27°185.712.61.1
Jun35° / 26°439.612.72.5
Jul32° / 24°11417.512.73.2
Aug31° / 23°18920.712.43.5
Sep32° / 24°9614.712.13.5
Oct35° / 23°235.211.72.9
Nov35° / 20°10.111.43.2
Dec32° / 17°0011.35.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33961
44159
54159
64357
74456
84555
94654
104852
114951
125050
135149
145347
155446
165644
175644
185842
195941
206139
216238
226337
236535
246634
256733
266832
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Yako gets around 96 mm of rain over 14.7 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 50% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
163
262
362
461
560
660
759
858
957
1057
1156
1255
1355
1454
1553
1652
1751
1849
1948
2046
2144
2243
2341
2439
2538
2636
2734
2833
2932
3030

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101972
201972
301972
401972
501972
601972
701972
801963
901963
1001963
1101963
1201963
1301954
1401954
1501954
1601945
1701945
1801945
1901945
2002935
2102935
2203925
2304915
2405914
2506904
2617884
2718874
28110854
29211843
30213823

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
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
297calm
307calm

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 6:01 AM to 6:01 AM, and sunset from 6:16 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:016:16
212.26:016:16
312.26:016:15
412.26:016:14
512.26:016:14
612.26:016:13
712.26:016:12
812.26:016:11
912.26:016:11
1012.16:016:10
1112.16:016:09
1212.16:016:08
1312.16:016:08
1412.16:016:07
1512.16:016:06
1612.16:016:05
1712.16:016:05
1812.06:016:04
1912.06:016:03
2012.06:016:03
2112.06:016:02
2212.06:016:01
2312.06:016:00
2412.06:016:00
2512.06:015:59
2611.96:015:58
2711.96:015:57
2811.96:015:57
2911.96:015:56
3011.96:015:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.03 kWh/m².

For context, solar energy here swings from a low near 5.32 kWh/m² to a high of 6.79 kWh/m² in April across the year — September's 6.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Yako

In seasonPeak

None of Yako's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Yako sees seasonal dust haze (February–July), heaviest in March.

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

Is September a good time to visit Yako?

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

3.5
Sightseeing
4th-best month of the year
5.7
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Yako.

What to pack for Yako in September

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

In September, Yako sees daytime highs around 32°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Yako 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 Yako peaks around March 15 at about 14 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 15UV 14Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Yako 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 Yako is worst in March — around 76 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (August, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 1075 µg/m³Aug 1316 µg/m³
PM2.5 (µg/m³)Level
Jan63Unhealthy
Feb75Unhealthy
Mar76Unhealthy
Apr58Unhealthy
May34Moderate
Jun27Moderate
Jul18Moderate
Aug15Moderate
Sep21Moderate
Oct33Moderate
Nov42Poor
Dec55Poor
Location & terrain

Where is Yako?

Yako sits at 13.0°N, 2.3°W, 332 m above sea level, in Burkina Faso. The nearest listed city is Gourcy, 30 km away.

BousséKindiOuahigouyaTomaRéoKoudougouKouka

Topography around Yako

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

Within 3 km, the terrain around Yako has only modest variations in elevation — a maximum elevation change of 39 m around an average of 329 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, significant variations in elevation — a maximum elevation change of 288 m.

The land around Yako is covered by cropland (33%), grassland (21%) and artificial surfaces (21%) within 3 km, cropland (39%), shrubs (30%) and grassland (28%) within 16 km, and grassland (41%), cropland (31%) and shrubs (25%) within 80 km.

3 km
39 m
16 km
196 m
80 km
288 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Gourcy 30 km · Boussé 52 km · Kindi 63 km · Ouahigouya 71 km · Toma 73 km · Réo 75 km · Koudougou 79 km · Kouka 88 km

Burkina Faso travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$1,148
2025
Happiness
4.5 / 10
World Happiness, 2025
Homicide rate
1.3
per 100k, 2017
Road deaths
31
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 64%Roman Catholic 20%Animiste 9%Protestant 6%

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 Yako (12.9591°, -2.2607°, elevation 332 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).