Gounou Gaya weather in September

In September, Gounou Gaya sees average daytime highs of 31°C and overnight lows near 23°C, with 138 mm of rain across 20 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 12% 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 Gounou Gaya's 11th-clearest and 11th-windiest month. For the whole year in context, see Gounou Gaya's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
6th coldest
Rainfall
138 mm
20 wet days
Daylight
12 h 06 min
5:51 AM – 5:54 PM
Cloud cover
72%
11th clearest
Wind
7 km/h
11th windiest
Solar energy
5.45 kWh/m²
Travel score
3.3
out of 10

Gounou Gaya is town in Chad.

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 30°C in the first days to 32°C by the end.

A typical September day in Gounou Gaya reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233223
243223
253223
263223
273223
283223
293223
303223

How September really feels in Gounou Gaya

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.

Gounou Gaya weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 18°0011.53.6
Feb37° / 21°0011.71.7
Mar40° / 25°10.211.90.1
Apr40° / 27°133.212.20.2
May37° / 27°5610.812.41.4
Jun34° / 25°7713.412.62.9
Jul31° / 23°14620.412.53.3
Aug30° / 23°21524.312.33.3
Sep31° / 23°1382012.13.3
Oct34° / 23°428.411.83.2
Nov36° / 21°10.211.62.7
Dec34° / 18°0011.43.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21981
31981
42179
52179
62377
72377
82575
92575
102773
112872
122872
132971
142971
153070
163070
173070
183070
193169
203169
213268
223367
233367
243466
253565
263565
273862
283961
294060
304159

Chance of precipitation in September

Any precipitation

Gounou Gaya gets around 138 mm of rain over 20 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 66% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
177
277
376
476
575
675
774
873
973
1072
1171
1271
1370
1469
1568
1667
1767
1866
1964
2063
2162
2261
2360
2458
2557
2656
2755
2854
2952
3051

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10973
20973
30973
40973
50973
60973
70973
80973
90973
100964
110964
120964
130964
140964
150964
160964
170955
180955
190955
200955
210955
220946
230946
240946
251936
261936
271936
281936
291927
301927

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
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 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 5:52 AM to 5:50 AM, and sunset from 6:03 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:526:03
212.25:526:03
312.25:526:02
412.25:526:01
512.25:526:01
612.15:526:00
712.15:526:00
812.15:515:59
912.15:515:58
1012.15:515:58
1112.15:515:57
1212.15:515:56
1312.15:515:56
1412.15:515:55
1512.15:515:54
1612.15:515:54
1712.05:515:53
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
2612.05:505:47
2712.05:505:47
2811.95:505:46
2911.95:505:46
3011.95:505:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 7.03 kWh/m² in March across the year — September's 5.45 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Gounou Gaya

In seasonPeak

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

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

Gounou Gaya 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 Gounou Gaya?

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

3.3
Sightseeing
3rd-best month of the year
4.9
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Gounou Gaya.

What to pack for Gounou Gaya in September

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

In September, Gounou Gaya sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Gounou Gaya 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 Gounou Gaya peaks around March 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 15UV 13Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr11Extreme
May10Very high
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec8Very high

Air quality in Gounou Gaya 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 Gounou Gaya is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (July, 14 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorMar 1268 µg/m³Jul 1814 µg/m³
PM2.5 (µg/m³)Level
Jan61Unhealthy
Feb64Unhealthy
Mar69Unhealthy
Apr43Poor
May23Moderate
Jun19Moderate
Jul14Moderate
Aug17Moderate
Sep19Moderate
Oct28Moderate
Nov35Moderate
Dec58Unhealthy
Location & terrain

Where is Gounou Gaya?

Gounou Gaya sits at 9.6°N, 15.5°E, 345 m above sea level, in Chad. The nearest listed city is Kelo, 48 km away.

Topography around Gounou Gaya

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

Within 3 km, the terrain around Gounou Gaya has only modest variations in elevation — a maximum elevation change of 17 m around an average of 344 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, significant variations in elevation — a maximum elevation change of 318 m.

The land around Gounou Gaya is covered by cropland (71%) within 3 km, cropland (75%) within 16 km, and cropland (56%) and grassland (26%) within 80 km.

3 km
17 m
16 km
40 m
80 km
318 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kelo 48 km · Fianga 52 km · Pala 73 km · Bongor 74 km · Béré 78 km · Déressia 84 km · Yagoua 85 km · Laï 90 km

Chad travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / E / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,022
2025
Happiness
4.4 / 10
World Happiness, 2025
Safe drinking water
6%
of population, 2024
Road deaths
32.4
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 52%Protestant 24%Roman Catholic 20%none 3%

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 Gounou Gaya (9.6294°, 15.5132°, elevation 345 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).