Gayéri weather in September

In September, Gayéri sees average daytime highs of 33°C and overnight lows near 24°C, with 83 mm of rain across 11.9 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 31°C in the first days to 34°C by the end. The sky is clear or mostly clear about 33% 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 Gayéri's 10th-clearest and 12th-windiest month. For the whole year in context, see Gayéri's year-round climate.

Daytime high
33°
10th warmest
Overnight low
24°
6th coldest
Rainfall
83 mm
11.9 wet days
Daylight
12 h 06 min
5:50 AM – 5:54 PM
Cloud cover
55%
10th clearest
Wind
8 km/h
12th windiest
Solar energy
5.99 kWh/m²
Travel score
3.5
out of 10

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 Gayéri 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 4°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83224
93224
103224
113224
123224
133224
143224
153224
163224
173324
183324
193324
203324
213324
223324
233324
243424
253424
263424
273424
283424
293425
303525

How September really feels in Gayéri

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
3 feel dangerously hot (≥ 39°C)
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.

Gayéri 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
Jan32° / 18°0011.35.3
Feb35° / 21°00.111.63.3
Mar38° / 24°30.411.91.0
Apr40° / 27°61.612.30.1
May39° / 28°226.912.60.8
Jun36° / 26°418.812.72.2
Jul33° / 25°9414.812.73.3
Aug31° / 24°15919.112.43.5
Sep33° / 24°8311.912.13.5
Oct36° / 24°174.511.72.2
Nov36° / 21°00.111.42.4
Dec33° / 18°0011.34.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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
54258
64258
74456
84555
94654
104753
114852
124951
135149
145347
155446
165644
175743
185842
195941
206139
216337
226436
236634
246733
256832
266931
276931
287030
297030
307030

Chance of precipitation in September

Any precipitation

Gayéri gets around 83 mm of rain over 11.9 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 40% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
158
257
356
455
553
652
751
849
948
1047
1145
1244
1343
1441
1540
1639
1738
1836
1935
2034
2133
2231
2330
2429
2528
2628
2727
2826
2925
3025

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100964
200955
300955
400955
500955
600946
700946
800946
900946
1000937
1100937
1201927
1301918
1401918
1501918
1601918
1701909
1801909
1902899
2002899
2102899
2202899
2303898
2403898
2514878
2615877
2716867
2817866
2928846
3029845

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 9 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
279calm
289calm
299calm
309calm

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 5:50 AM to 5:50 AM, and sunset from 6:05 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:05
212.25:506:04
312.25:506:04
412.25:506:03
512.25:506:02
612.25:506:02
712.25:506:01
812.25:506:00
912.25:506:00
1012.15:505:59
1112.15:505:58
1212.15:505:57
1312.15:505:57
1412.15:505:56
1512.15:505:55
1612.15:505:54
1712.15:505:54
1812.05:505:53
1912.05:505:52
2012.05:505:51
2112.05:505:51
2212.05:505:50
2312.05:505:49
2412.05:505:49
2512.05:505:48
2611.95:505:47
2711.95:505:46
2811.95:505:46
2911.95:505:45
3011.95:505:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.99 kWh/m².

For context, solar energy here swings from a low near 5.28 kWh/m² to a high of 6.78 kWh/m² in March across the year — September's 5.99 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Gayéri

In seasonPeak

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

Gayéri sees seasonal dust haze (January–July), heaviest in March.

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

Is September a good time to visit Gayéri?

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

3.5
Sightseeing
3rd-best month of the year
5.9
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Gayéri.

What to pack for Gayéri in September

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

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

light clothesrain gearsun protection

UV index in Gayéri 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 Gayéri peaks around March 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMar 16UV 13Dec 19UV 7
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar13Extreme
Apr9Very high
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Gayéri 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 Gayéri is worst in February — around 79 µg/m³ PM2.5 (unhealthy), about 6.1× the cleanest month (August, 13 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1979 µg/m³Aug 1613 µg/m³
PM2.5 (µg/m³)Level
Jan68Unhealthy
Feb79Unhealthy
Mar76Unhealthy
Apr54Poor
May32Moderate
Jun25Moderate
Jul16Moderate
Aug13Moderate
Sep16Moderate
Oct30Moderate
Nov38Poor
Dec57Unhealthy
Location & terrain

Where is Gayéri?

Gayéri sits at 12.6°N, 0.5°E, 281 m above sea level, in Burkina Faso. The nearest listed city is Fada N'gourma, 67 km away.

Fada N'gourmaBogandéManiKoupélaNatiaboaniPouytengaBoulsaZorgo

Topography around Gayéri

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

Within 3 km, the terrain around Gayéri has only modest variations in elevation — a maximum elevation change of 25 m around an average of 280 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, only modest variations in elevation — a maximum elevation change of 177 m.

The land around Gayéri is covered by grassland (60%) within 3 km, grassland (56%) and shrubs (33%) within 16 km, and grassland (58%) and shrubs (26%) within 80 km.

3 km
25 m
16 km
69 m
80 km
177 m
shrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Fada N'gourma 67 km · Bogandé 78 km · Mani 102 km · Koupéla 105 km · Natiaboani 106 km · Pouytenga 109 km · Boulsa 116 km · Zorgo 128 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 Gayéri (12.6482°, 0.4931°, elevation 281 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).