Kaya weather in September

In September, Kaya sees average daytime highs of 33°C and overnight lows near 24°C, with 80 mm of rain across 12.5 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 34°C by the end. The sky is clear or mostly clear about 36% 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 Kaya's 10th-clearest and 12th-windiest month. For the whole year in context, see Kaya's year-round climate.

Daytime high
33°
10th warmest
Overnight low
24°
6th coldest
Rainfall
80 mm
12.5 wet days
Daylight
12 h 06 min
5:57 AM – 6:01 PM
Cloud cover
54%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
6.13 kWh/m²
Travel score
3.5
out of 10

Kaya is fifth largest city in Burkina Faso, lying northeast of Ouagadougou, capital of Sanmatenga Province, to which it is connected by railway.

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 34°C by the end.

A typical September day in Kaya 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 35°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)
13123
23123
33123
43123
53123
63124
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173324
183324
193324
203324
213324
223324
233324
243424
253424
263424
273424
283424
293424
303425

How September really feels in Kaya

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.

Kaya 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°0011.63.7
Mar38° / 24°10.411.91.3
Apr40° / 27°51.312.30.3
May38° / 28°144.512.60.9
Jun36° / 26°398.412.82.4
Jul33° / 24°10015.712.73.2
Aug31° / 24°15819.412.43.5
Sep33° / 24°8012.512.13.5
Oct36° / 24°184.311.72.5
Nov36° / 21°00.211.42.8
Dec33° / 18°0011.24.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24159
34357
44357
54456
64555
74555
84753
94852
104951
115050
125149
135347
145446
155545
165644
175842
185941
196040
206238
216337
226535
236634
246733
256832
266931
277030
287030
297030
307030

Chance of precipitation in September

Any precipitation

Kaya gets around 80 mm of rain over 12.5 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 42% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
160
258
357
455
554
652
751
850
948
1047
1146
1245
1344
1443
1543
1642
1741
1840
1939
2038
2137
2236
2335
2434
2532
2631
2730
2829
2927
3026

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101981
201981
301972
401972
501972
602962
702962
802962
902962
1002962
1102953
1202953
1303943
1403943
1503943
1603943
1703943
1804933
1904933
2005923
2106913
2206913
2308893
2409883
25010873
26012853
27113842
28115822
29117802
30120772

Wind in September

Winds average 8 km/h in September, the calmest month.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
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 5:56 AM to 5:57 AM, and sunset from 6:12 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:12
212.25:566:11
312.25:566:10
412.25:566:10
512.25:566:09
612.25:566:08
712.25:566:07
812.25:566:07
912.25:566:06
1012.15:566:05
1112.15:566:05
1212.15:566:04
1312.15:566:03
1412.15:576:02
1512.15:576:02
1612.15:576:01
1712.15:576:00
1812.05:575:59
1912.05:575:59
2012.05:575:58
2112.05:575:57
2212.05:575:56
2312.05:575:56
2412.05:575:55
2512.05:575:54
2611.95:575:53
2711.95:575:53
2811.95:575:52
2911.95:575:51
3011.95:575:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.13 kWh/m².

For context, solar energy here swings from a low near 5.49 kWh/m² to a high of 6.82 kWh/m² in April across the year — September's 6.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Kaya

In seasonPeak

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

Kaya 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 Kaya?

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
5.9
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Kaya.

What to pack for Kaya in September

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

In September, Kaya sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Kaya 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 Kaya peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMar 17UV 13Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar13Extreme
Apr10Very high
May11Extreme
Jun10Extreme
Jul10Very high
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Kaya 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 Kaya is worst in February — around 77 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 2277 µg/m³Aug 1416 µg/m³
PM2.5 (µg/m³)Level
Jan65Unhealthy
Feb77Unhealthy
Mar77Unhealthy
Apr58Unhealthy
May34Moderate
Jun27Moderate
Jul18Moderate
Aug15Moderate
Sep20Moderate
Oct33Moderate
Nov40Poor
Dec54Poor
Location & terrain

Where is Kaya?

Kaya sits at 13.1°N, 1.1°W, 366 m above sea level, in Burkina Faso. The nearest listed city is Korsimoro, 29 km away.

KongoussiZiniaréBarogoKoukaBoulsa

Topography around Kaya

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

Within 3 km, the terrain around Kaya has only modest variations in elevation — a maximum elevation change of 54 m around an average of 333 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, significant variations in elevation — a maximum elevation change of 254 m.

The land around Kaya is covered by artificial surfaces (48%) and grassland (27%) within 3 km, grassland (44%) and cropland (31%) within 16 km, and grassland (54%) and cropland (25%) within 80 km.

3 km
54 m
16 km
221 m
80 km
254 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Korsimoro 29 km · Pissila 30 km · Yalgo 31 km · Kongoussi 56 km · Ziniaré 61 km · Barogo 61 km · Kouka 69 km · Boulsa 72 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 Kaya (13.0883°, -1.0837°, elevation 366 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).