Issia weather in September

In September, Issia sees average daytime highs of 29°C and overnight lows near 22°C, with 183 mm of rain across 25.3 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 0% 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 Issia's 7th-clearest and 8th-windiest month. For the whole year in context, see Issia's year-round climate.

Daytime high
29°
10th warmest
Overnight low
22°
6th coldest
Rainfall
183 mm
25.3 wet days
Daylight
12 hours
6:20 AM – 6:22 PM
Cloud cover
77%
7th clearest
Wind
7 km/h
8th windiest
Solar energy
4.21 kWh/m²
Travel score
3.3
out of 10

Issia is city of côte d'ivoire.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Issia reaches about 29°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 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
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232923
242923
253023
263023
273023
283023
293023
303023

How September really feels in Issia

Once humidity and wind are folded in, September averages 24 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
24
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.

Issia 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
Jan32° / 22°224.611.74.5
Feb33° / 23°508.111.83.3
Mar33° / 23°9216.3122.9
Apr32° / 23°991812.12.9
May31° / 23°12921.512.33.0
Jun30° / 23°12721.312.43.6
Jul29° / 22°10118.612.34.3
Aug28° / 22°12220.612.24.2
Sep29° / 22°18325.3123.3
Oct30° / 23°14524.411.93.3
Nov31° / 22°5914.911.74.1
Dec31° / 22°245.311.65.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
31090
41090
51090
61189
71189
81288
91288
101387
111387
121486
131486
141585
151684
161684
171783
181882
191882
201981
211981
222080
232080
242080
252179
262179
272278
282278
292179
302179

Chance of precipitation in September

Any precipitation

Issia gets around 183 mm of rain over 25.3 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 84% and peaks near 87% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
179
279
379
480
580
680
781
881
982
1082
1183
1283
1384
1485
1585
1686
1786
1887
1987
2087
2187
2287
2387
2487
2587
2687
2787
2886
2986
3086

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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1892
2892
3793
4793
5793
6694
7694
8694
9595
10595
11595
12595
13595
14496
15496
16496
17496
18397
19397
20397
21397
22397
23298
24298
25298
26298
27298
28298
29199
30199

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 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
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:22 AM to 6:17 AM, and sunset from 6:30 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:226:30
212.16:226:29
312.16:226:29
412.16:226:28
512.16:226:28
612.16:216:27
712.16:216:27
812.16:216:26
912.16:216:26
1012.16:216:25
1112.16:216:24
1212.16:206:24
1312.16:206:23
1412.06:206:23
1512.06:206:22
1612.06:206:22
1712.06:196:21
1812.06:196:21
1912.06:196:20
2012.06:196:20
2112.06:196:19
2212.06:186:18
2312.06:186:18
2412.06:186:17
2512.06:186:17
2612.06:186:16
2712.06:186:16
2812.06:176:15
2912.06:176:15
3011.96:176:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.21 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 5.21 kWh/m² in April across the year — September's 4.21 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
34.0Moderate
44.0Moderate
54.0Bright
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Issia

In seasonPeak

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

Issia sees seasonal dust haze (April), heaviest in April.

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

Is September a good time to visit Issia?

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

3.3
Sightseeing
7th-best month of the year
4.3
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Issia.

What to pack for Issia in September

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

In September, Issia sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Issia 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 Issia peaks around April 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highApr 16UV 13Dec 16UV 8
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar12Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Issia 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 Issia is worst in February — around 55 µg/m³ PM2.5 (unhealthy), about 4.7× the cleanest month (September, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModeratePoorFeb 855 µg/m³Sep 1112 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb55Unhealthy
Mar31Moderate
Apr32Moderate
May19Moderate
Jun16Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct16Moderate
Nov24Moderate
Dec46Poor
Location & terrain

Where is Issia?

Issia sits at 6.5°N, 6.6°W, 211 m above sea level, in Ivory Coast. The nearest listed city is Aboka, 26 km away.

DignagoGrand-ZattryZoukougbeuPetitgoa IDaloaLoboville

Topography around Issia

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

Within 3 km, the terrain around Issia has only modest variations in elevation — a maximum elevation change of 100 m around an average of 215 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, significant variations in elevation — a maximum elevation change of 413 m.

The land around Issia is covered by trees (49%) and artificial surfaces (27%) within 3 km, trees (75%) within 16 km, and trees (82%) within 80 km.

3 km
100 m
16 km
220 m
80 km
413 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Aboka 26 km · Saïoua 34 km · Dignago 41 km · Grand-Zattry 42 km · Zoukougbeu 43 km · Petitgoa I 44 km · Daloa 45 km · Loboville 49 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 Issia (6.4922°, -6.5856°, elevation 211 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).