Gaoua weather in September

In September, Gaoua sees average daytime highs of 30°C and overnight lows near 22°C, with 165 mm of rain across 21.2 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 13% 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 Gaoua's 10th-clearest and 11th-windiest month. For the whole year in context, see Gaoua's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
5th coldest
Rainfall
165 mm
21.2 wet days
Daylight
12 h 06 min
6:05 AM – 6:09 PM
Cloud cover
70%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
5.14 kWh/m²
Travel score
3.7
out of 10

Gaoua is city 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 29°C in the first days to 30°C by the end.

A typical September day in Gaoua 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 27°C and 31°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
102922
112922
122922
132922
142922
152922
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263023
273023
283023
293023
303123

How September really feels in Gaoua

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.

Gaoua weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 20°10.211.54.1
Feb36° / 23°4111.72.6
Mar37° / 25°214.311.91.6
Apr36° / 26°6110.712.21.9
May34° / 25°8415.112.52.7
Jun32° / 24°8615.312.63.6
Jul30° / 23°15020.312.53.9
Aug29° / 22°21524.712.33.6
Sep30° / 22°16521.212.13.7
Oct32° / 23°7112.611.83.9
Nov34° / 22°81.711.53.6
Dec34° / 20°10.211.44.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22080
32179
42179
52278
62377
72476
82674
92773
102773
112872
122971
133169
143268
153268
163367
173466
183664
193862
203961
213961
224060
234258
244357
254456
264555
274654
284951
294951
305050

Chance of precipitation in September

Any precipitation

Gaoua gets around 165 mm of rain over 21.2 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 71% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
180
280
379
478
577
676
775
875
974
1073
1172
1272
1371
1471
1570
1670
1769
1869
1969
2068
2168
2268
2367
2467
2566
2665
2764
2863
2962
3061

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101000
201000
301000
41981
51981
61981
71981
81981
91981
101981
111981
121981
131972
141972
151972
160982
170982
180982
190982
200982
210982
220982
230982
240982
250982
260982
270982
280982
290982
300982

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
68calm
78calm
88calm
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 6:06 AM to 6:04 AM, and sunset from 6:18 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:066:18
212.26:066:18
312.26:066:17
412.26:066:17
512.26:066:16
612.26:066:15
712.16:066:15
812.16:066:14
912.16:066:13
1012.16:066:13
1112.16:066:12
1212.16:066:11
1312.16:066:11
1412.16:066:10
1512.16:056:09
1612.16:056:09
1712.06:056:08
1812.06:056:07
1912.06:056:07
2012.06:056:06
2112.06:056:05
2212.06:056:05
2312.06:056:04
2412.06:056:03
2512.06:056:03
2612.06:056:02
2711.96:056:02
2811.96:056:01
2911.96:056:00
3011.96:046:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.4 kWh/m² in March across the year — September's 5.14 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
Planning a trip in September

Hazard calendar for Gaoua

In seasonPeak

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

Gaoua's monsoon runs July–September, when most of the year's rain falls.

Gaoua sees seasonal dust haze (February–June), heaviest in March.

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

Is September a good time to visit Gaoua?

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

3.7
Sightseeing
5th-best month of the year
5.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Gaoua.

What to pack for Gaoua in September

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

In September, Gaoua sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Gaoua in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gaoua peaks around March 18 at about 14 (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 18UV 14Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Gaoua 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 Gaoua is worst in December — around 66 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (August, 12 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 1764 µg/m³Aug 1312 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb62Unhealthy
Mar47Poor
Apr39Poor
May21Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep16Moderate
Oct26Moderate
Nov51Poor
Dec66Unhealthy
Location & terrain

Where is Gaoua?

Gaoua sits at 10.3°N, 3.2°W, 337 m above sea level, in Burkina Faso. The nearest listed city is Jirapa, 57 km away.

JirapaBatiéDoropoDiébougouWaDanoBounaHoundé

Topography around Gaoua

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

Within 3 km, the terrain around Gaoua has only modest variations in elevation — a maximum elevation change of 99 m around an average of 298 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, significant variations in elevation — a maximum elevation change of 342 m.

The land around Gaoua is covered by grassland (32%), artificial surfaces (22%) and cropland (21%) within 3 km, grassland (54%) and shrubs (27%) within 16 km, and shrubs (43%) and grassland (34%) within 80 km.

3 km
99 m
16 km
249 m
80 km
342 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Jirapa 57 km · Batié 58 km · Doropo 61 km · Diébougou 71 km · Wa 80 km · Dano 92 km · Bouna 120 km · Houndé 135 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 Gaoua (10.3314°, -3.182°, elevation 337 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).