Kolia weather in September

In September, Kolia sees average daytime highs of 30°C and overnight lows near 22°C, with 194 mm of rain across 23.9 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 31°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 Kolia's 10th-clearest and 12th-windiest month. For the whole year in context, see Kolia's year-round climate.

Daytime high
30°
10th warmest
Overnight low
22°
5th coldest
Rainfall
194 mm
23.9 wet days
Daylight
12 h 06 min
6:19 AM – 6:22 PM
Cloud cover
70%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
5.03 kWh/m²
Travel score
3.3
out of 10

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 31°C by the end.

A typical September day in Kolia reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°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
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233122
243122
253122
263122
273122
283122
293122
303122

How September really feels in Kolia

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.

Kolia 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
Jan33° / 18°50.911.54.7
Feb35° / 20°61.511.73.1
Mar36° / 23°245.611.92.1
Apr35° / 24°621212.22.1
May34° / 24°9516.812.42.6
Jun32° / 23°11918.912.63.3
Jul30° / 22°18324.812.53.4
Aug29° / 22°26126.612.33.3
Sep30° / 22°19423.912.13.3
Oct32° / 22°9415.611.83.6
Nov33° / 20°173.211.64.0
Dec33° / 18°10.211.44.7

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 19% of September, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41882
51882
62080
72080
82278
92377
102476
112575
122674
132872
142872
153070
163367
173367
183565
193664
203763
213961
224159
234159
244258
254555
264555
274654
284654
294753
304852

Chance of precipitation in September

Any precipitation

Kolia gets around 194 mm of rain over 23.9 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 79% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
285
384
484
584
684
783
883
983
1083
1183
1283
1383
1483
1583
1682
1782
1881
1980
2079
2178
2277
2376
2474
2573
2672
2770
2869
2967
3066

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25298
26298
27298
28298
29298
30298

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:20 AM to 6:17 AM, and sunset from 6:31 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:206:31
212.26:206:31
312.26:206:30
412.26:206:29
512.26:206:29
612.16:206:28
712.16:196:28
812.16:196:27
912.16:196:26
1012.16:196:26
1112.16:196:25
1212.16:196:24
1312.16:196:24
1412.16:196:23
1512.16:196:22
1612.16:196:22
1712.06:186:21
1812.06:186:20
1912.06:186:20
2012.06:186:19
2112.06:186:19
2212.06:186:18
2312.06:186:17
2412.06:186:17
2512.06:186:16
2612.06:186:15
2712.06:186:15
2811.96:186:14
2911.96:186:13
3011.96:176:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.26 kWh/m² in March across the year — September's 5.03 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Kolia

In seasonPeak

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

Kolia's monsoon runs June–September, when most of the year's rain falls.

Kolia sees seasonal dust haze (February–May), heaviest in April.

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

Is September a good time to visit Kolia?

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

3.3
Sightseeing
6th-best month of the year
4.5
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Kolia.

What to pack for Kolia in September

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

In September, Kolia sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Kolia 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 Kolia peaks around March 17 at about 13 (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 17UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Kolia 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 Kolia is worst in February — around 50 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (August, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1648 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb50Poor
Mar40Poor
Apr39Poor
May23Moderate
Jun18Moderate
Jul12Moderate
Aug9Good
Sep13Moderate
Oct20Moderate
Nov22Moderate
Dec32Moderate
Location & terrain

Where is Kolia?

Kolia sits at 9.8°N, 6.5°W, 399 m above sea level, in Ivory Coast. The nearest listed city is Boundiali, 27 km away.

M’BenguéMassiogoTengrélaDianraKorhogoBambaNiellé

Topography around Kolia

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

Within 3 km, the terrain around Kolia has only modest variations in elevation — a maximum elevation change of 178 m around an average of 398 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 214 m; within 80 km, significant variations in elevation — a maximum elevation change of 526 m.

The land around Kolia is covered by trees (40%) and shrubs (24%) within 3 km, cropland (37%), trees (27%) and shrubs (22%) within 16 km, and trees (50%) and cropland (22%) within 80 km.

3 km
178 m
16 km
214 m
80 km
526 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Boundiali 27 km · M’Bengué 67 km · Massiogo 72 km · Tengréla 80 km · Dianra 94 km · Korhogo 98 km · Bamba 102 km · Niellé 104 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 Kolia (9.7651°, -6.4637°, elevation 399 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).