Adré weather in September

In September, Adré sees average daytime highs of 32°C and overnight lows near 21°C, with 63 mm of rain across 10.9 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 36% of the time in September, and the air most often feels muggy.

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 Adré's 10th-clearest and 12th-windiest month. For the whole year in context, see Adré's year-round climate.

Daytime high
32°
8th warmest
Overnight low
21°
7th coldest
Rainfall
63 mm
10.9 wet days
Daylight
12 h 06 min
5:23 AM – 5:28 PM
Cloud cover
52%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
6.29 kWh/m²
Travel score
4.0
out of 10

Adré is place in Ouaddaï Region, 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 31°C in the first days to 33°C by the end.

A typical September day in Adré reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33121
43121
53121
63121
73121
83121
93121
103121
113121
123121
133221
143221
153221
163221
173221
183221
193221
203221
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321

How September really feels in Adré

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.

Adré weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 14°0011.36.6
Feb33° / 17°0011.64.9
Mar35° / 20°00.111.93.0
Apr37° / 22°30.612.31.7
May37° / 23°123.412.61.6
Jun36° / 23°347.112.82.3
Jul31° / 21°1632112.73.3
Aug30° / 21°21524.212.43.5
Sep32° / 21°6310.912.14.0
Oct34° / 21°102.211.73.9
Nov33° / 18°0011.45.0
Dec30° / 15°0011.26.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
24060
34258
44357
54555
64753
74951
84951
95149
105347
115545
125644
135842
146040
156040
166238
176337
186436
196535
206535
216634
226733
236733
246832
256832
267030
277030
287129
297228
307228

Chance of precipitation in September

Any precipitation

Adré gets around 63 mm of rain over 10.9 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 37% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
163
261
359
457
555
653
751
849
947
1045
1143
1241
1339
1437
1535
1633
1731
1829
1928
2027
2125
2224
2323
2422
2522
2621
2720
2820
2919
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10157717
20157717
30267517
40267616
51277416
61377316
71387315
81487215
92497114
1025107013
1125107013
1236116812
1337126711
1447136610
1558146310
166915619
177916608
1881017587
1991018567
20111118546
21121119535
22141219505
23161219494
24181219483
25191219463
26211319442
27241319432
28261319412
29281318391
30311318371

Wind in September

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

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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
308calm

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 5:23 AM to 5:24 AM, and sunset from 5:39 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:235:39
212.35:235:38
312.25:235:37
412.25:235:37
512.25:235:36
612.25:235:35
712.25:235:34
812.25:235:34
912.25:235:33
1012.25:235:32
1112.15:235:32
1212.15:235:31
1312.15:235:30
1412.15:235:29
1512.15:235:29
1612.15:235:28
1712.15:235:27
1812.05:235:26
1912.05:235:25
2012.05:235:25
2112.05:235:24
2212.05:235:23
2312.05:235:22
2412.05:235:22
2512.05:235:21
2611.95:245:20
2711.95:245:20
2811.95:245:19
2911.95:245:18
3011.95:245:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.29 kWh/m².

For context, solar energy here swings from a low near 5.41 kWh/m² to a high of 7.54 kWh/m² in April across the year — September's 6.29 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Adré

In seasonPeak

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

Adré sees seasonal dust haze (March–October), heaviest in April.

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

Is September a good time to visit Adré?

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

4.0
Sightseeing
5th-best month of the year
6.3
Beach & pool
7th-best month of the year

September is a reasonable time to visit Adré for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Adré in September

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

In September, Adré sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Adré 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 Adré peaks around August 18 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 highAug 18UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr11Extreme
May10Extreme
Jun11Extreme
Jul10Very high
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Adré 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 Adré is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (August, 22 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1761 µg/m³Aug 2122 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb49Poor
Mar63Unhealthy
Apr51Poor
May42Poor
Jun38Poor
Jul32Moderate
Aug22Moderate
Sep24Moderate
Oct31Moderate
Nov26Moderate
Dec33Moderate
Location & terrain

Where is Adré?

Adré sits at 13.5°N, 22.2°E, 797 m above sea level, in Chad. The nearest listed city is Al-Junaynah, 27 km away.

ZalinjayAbéchéGoz BeidaBiltineIriba

Topography around Adré

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

Within 3 km, the terrain around Adré has only modest variations in elevation — a maximum elevation change of 73 m around an average of 799 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 164 m; within 80 km, large variations in elevation — a maximum elevation change of 626 m.

The land around Adré is covered by grassland (47%) and cropland (39%) within 3 km, cropland (57%) and grassland (39%) within 16 km, and grassland (74%) within 80 km.

3 km
73 m
16 km
164 m
80 km
626 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Al-Junaynah 27 km · El Geneina Fort 28 km · 'Ārdamatā 31 km · Zalinjay 151 km · Abéché 153 km · Goz Beida 162 km · Biltine 181 km · Iriba 184 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 Adré (13.4665°, 22.1988°, elevation 797 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).