Niablé weather in September

In September, Niablé sees average daytime highs of 29°C and overnight lows near 23°C, with 122 mm of rain across 21.9 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Niablé's 8th-clearest and 8th-windiest month. For the whole year in context, see Niablé's year-round climate.

Daytime high
29°
10th warmest
Overnight low
23°
5th coldest
Rainfall
122 mm
21.9 wet days
Daylight
12 hours
6:06 AM – 6:08 PM
Cloud cover
79%
8th clearest
Wind
8 km/h
8th windiest
Solar energy
4.04 kWh/m²
Travel score
3.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Niablé reaches about 29°C in the afternoon and slips back to 23°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 1°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
112923
122923
132923
142923
152923
162923
172923
182923
192923
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023

How September really feels in Niablé

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.

Niablé weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°173.711.74.0
Feb34° / 24°448.311.82.8
Mar34° / 24°8515.8122.6
Apr33° / 24°9317.412.12.8
May32° / 24°11120.712.33.0
Jun30° / 23°11621.512.43.5
Jul29° / 22°9018.112.34.3
Aug28° / 22°8716.612.24.5
Sep29° / 23°12221.9123.7
Oct30° / 23°11021.311.93.6
Nov31° / 23°5211.311.74.2
Dec32° / 22°184.511.64.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4991
5991
61090
71090
81189
91189
101288
111288
121387
131387
141387
151486
161486
171585
181585
191585
201684
211684
221684
231783
241882
251981
261981
272080
282080
292080
302278

Chance of precipitation in September

Any precipitation

Niablé gets around 122 mm of rain over 21.9 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 72% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
168
269
369
470
570
671
771
871
971
1071
1171
1271
1372
1472
1572
1672
1773
1873
1973
2074
2174
2274
2374
2474
2574
2675
2775
2875
2975
3075

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
Muggy (%)Oppressive (%)
11090
2991
3991
4991
5991
6991
7892
8892
9892
10892
11892
12892
13793
14793
15793
16793
17694
18694
19694
20595
21595
22496
23496
24496
25397
26397
27397
28397
29298
30298

Wind in September

Winds average 8 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.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
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 06 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 12 minutes over September. Sunrise moves from 6:09 AM to 6:04 AM, and sunset from 6:17 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:096:17
212.16:096:16
312.16:096:16
412.16:086:15
512.16:086:15
612.16:086:14
712.16:086:13
812.16:086:13
912.16:086:12
1012.16:076:12
1112.16:076:11
1212.16:076:11
1312.16:076:10
1412.06:076:10
1512.06:076:09
1612.06:066:08
1712.06:066:08
1812.06:066:07
1912.06:066:07
2012.06:066:06
2112.06:056:06
2212.06:056:05
2312.06:056:05
2412.06:056:04
2512.06:056:03
2612.06:056:03
2712.06:046:02
2812.06:046:02
2912.06:046:01
3011.96:046:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.04 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.28 kWh/m² in February across the year — September's 4.04 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Niablé

In seasonPeak

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

Niablé sees seasonal dust haze (January–April), heaviest in February.

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

Is September a good time to visit Niablé?

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

3.7
Sightseeing
6th-best month of the year
4.8
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Niablé.

What to pack for Niablé in September

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

In September, Niablé sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

UV index in Niablé 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 Niablé peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highApr 13UV 13Dec 21UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Niablé 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 Niablé is worst in February — around 71 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (September, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateFeb 871 µg/m³Sep 916 µg/m³
PM2.5 (µg/m³)Level
Jan69Unhealthy
Feb71Unhealthy
Mar37Poor
Apr35Poor
May22Moderate
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep16Moderate
Oct21Moderate
Nov28Moderate
Dec60Unhealthy
Location & terrain

Where is Niablé?

Niablé sits at 6.7°N, 3.3°W, 162 m above sea level, in Ivory Coast. The nearest listed city is Abengourou, 26 km away.

AgnibilékrouBianouanAkoupéBiébyArrahDomaa-Ahenkro

Topography around Niablé

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

Within 3 km, the terrain around Niablé has only modest variations in elevation — a maximum elevation change of 67 m around an average of 160 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 95 m; within 80 km, significant variations in elevation — a maximum elevation change of 554 m.

The land around Niablé is covered by trees (57%) within 3 km, trees (76%) within 16 km, and trees (94%) within 80 km.

3 km
67 m
16 km
95 m
80 km
554 m
treesshrubsgrasslandartificial surfaces
September weather nearby: Abengourou 26 km · Ebilassokro 33 km · Agnibilékrou 53 km · Bianouan 73 km · Akoupé 75 km · Biéby 76 km · Arrah 77 km · Domaa-Ahenkro 81 km

Ivory Coast travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$3,050
2025
Happiness
5.1 / 10
World Happiness, 2025
Safe drinking water
36%
of population, 2024
Road deaths
24.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 393

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 Niablé (6.6613°, -3.2698°, elevation 162 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).