Illéla weather in September

In September, Illéla sees average daytime highs of 35°C and overnight lows near 25°C, with 34 mm of rain across 6 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 34°C in the first days to 37°C by the end. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Illéla's 10th-clearest and 11th-windiest month. For the whole year in context, see Illéla's year-round climate.

Daytime high
35°
7th warmest
Overnight low
25°
8th coldest
Rainfall
34 mm
6 wet days
Daylight
12 h 06 min
6:31 AM – 6:36 PM
Cloud cover
46%
10th clearest
Wind
10 km/h
11th windiest
Solar energy
6.39 kWh/m²
Travel score
2.6
out of 10

Illéla is urban commune in Niger.

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 34°C in the first days to 37°C by the end.

A typical September day in Illéla reaches about 35°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 38°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103525
113525
123525
133525
143525
153525
163525
173625
183625
193625
203625
213625
223625
233625
243625
253725
263725
273725
283725
293725
303725

How September really feels in Illéla

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
14 feel dangerously hot (≥ 39°C)
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.

Illéla weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°0011.25.8
Feb35° / 20°0011.53.7
Mar38° / 23°0011.91.1
Apr41° / 26°10.412.30.0
May40° / 28°103.112.70.1
Jun38° / 28°195.912.81.2
Jul35° / 26°449.812.82.6
Aug33° / 25°9411.812.53.3
Sep35° / 25°34612.12.6
Oct38° / 24°61.911.71.6
Nov36° / 21°0011.32.8
Dec32° / 18°0011.25.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35347
45545
55644
65842
75941
86040
96238
106337
116436
126436
136634
146733
156832
167030
177129
187327
197327
207525
217624
227723
237822
247921
257921
268020
278020
288119
298119
308119

Chance of precipitation in September

Any precipitation

Illéla gets around 34 mm of rain over 6 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 21% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
332
430
529
628
726
825
924
1023
1123
1222
1322
1421
1520
1620
1719
1819
1918
2018
2117
2217
2316
2415
2515
2614
2714
2813
2913
3013

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100018811
200019801
300020791
400021781
500022780
600124750
700125740
800127720
900128710
1000130690
1100231670
1200233650
1300335620
1401337590
1501439560
1601441540
1701543510
1802545470
1912647440
2012749410
2113850380
2213952350
23131054320
24241153300
25241255270
26351354250
27451554220
28561653200
29561753190
30671852170

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 6:30 AM to 6:32 AM, and sunset from 6:47 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:306:47
212.36:306:47
312.36:306:46
412.26:306:45
512.26:306:44
612.26:316:44
712.26:316:43
812.26:316:42
912.26:316:41
1012.26:316:40
1112.16:316:40
1212.16:316:39
1312.16:316:38
1412.16:316:37
1512.16:316:37
1612.16:316:36
1712.16:316:35
1812.16:316:34
1912.06:316:33
2012.06:316:33
2112.06:316:32
2212.06:316:31
2312.06:316:30
2412.06:316:29
2512.06:316:29
2611.96:316:28
2711.96:326:27
2811.96:326:26
2911.96:326:26
3011.96:326:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.39 kWh/m².

For context, solar energy here swings from a low near 5.68 kWh/m² to a high of 7.31 kWh/m² in April across the year — September's 6.39 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Illéla

In seasonPeak

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

Illéla sees dust haze year-round, heaviest in April.

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

Is September a good time to visit Illéla?

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

2.6
Sightseeing
6th-best month of the year
5.7
Beach & pool
6th-best month of the year

September is a weaker month for outdoor sightseeing in Illéla.

What to pack for Illéla in September

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

In September, Illéla sees daytime highs around 35°C and nights near 25°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Illéla in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Illéla peaks around August 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 12Dec 17UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov9Very high
Dec7Very high

Air quality in Illéla 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 Illéla is worst in February — around 93 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (August, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1492 µg/m³Aug 1819 µg/m³
PM2.5 (µg/m³)Level
Jan87Unhealthy
Feb93Unhealthy
Mar85Unhealthy
Apr67Unhealthy
May50Poor
Jun40Poor
Jul26Moderate
Aug18Moderate
Sep24Moderate
Oct43Poor
Nov53Poor
Dec79Unhealthy
Location & terrain

Where is Illéla?

Illéla sits at 14.5°N, 5.2°E, 307 m above sea level, in Niger. The nearest listed city is Tahoua, 48 km away.

GwadabawaSokotoAbalakDogondoutchi

Topography around Illéla

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

Within 3 km, the terrain around Illéla has only modest variations in elevation — a maximum elevation change of 29 m around an average of 305 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, significant variations in elevation — a maximum elevation change of 364 m.

The land around Illéla is covered by grassland (46%) and cropland (35%) within 3 km, cropland (45%) and grassland (41%) within 16 km, and grassland (60%) within 80 km.

3 km
29 m
16 km
164 m
80 km
364 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Tahoua 48 km · Birni N Konni 74 km · Illela 81 km · Madaoua 88 km · Gwadabawa 123 km · Sokoto 155 km · Abalak 157 km · Dogondoutchi 160 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Illéla (14.4605°, 5.2437°, elevation 307 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).