Amdjarass weather in September

In September, Amdjarass sees average daytime highs of 35°C and overnight lows near 23°C, with 7 mm of rain across 1.8 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 79% of the time in September, and the air most often feels dry.

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 Amdjarass's 10th-clearest and 9th-windiest month. For the whole year in context, see Amdjarass's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
7 mm
1.8 wet days
Daylight
12 h 06 min
5:20 AM – 5:26 PM
Cloud cover
22%
10th clearest
Wind
17 km/h
9th windiest
Solar energy
6.96 kWh/m²
Travel score
3.3
out of 10

Amdjarass is place in Ennedi-Est.

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 35°C through the month.

A typical September day in Amdjarass reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13523
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123523
133523
143523
153523
163523
173523
183524
193524
203524
213524
223524
233524
243524
253523
263523
273523
283523
293523
303523

How September really feels in Amdjarass

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.

Amdjarass weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 10°0011.29.1
Feb26° / 13°00.111.59.1
Mar30° / 17°0011.96.8
Apr34° / 21°0012.44.2
May36° / 23°10.212.72.6
Jun37° / 24°20.812.92.3
Jul35° / 23°376.112.93.1
Aug33° / 22°6710.712.53.5
Sep35° / 23°71.812.13.3
Oct32° / 21°00.111.65.3
Nov27° / 15°0011.38.8
Dec23° / 11°0011.19.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58911
69010
79010
89010
99010
109010
11919
12919
13919
14919
15919
16928
17928
18928
19928
20937
21937
22937
23937
24937
25946
26946
27946
28946
29955
30964

Chance of precipitation in September

Any precipitation

Amdjarass gets around 7 mm of rain over 1.8 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 7% and peaks near 19% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
119
217
316
415
514
613
712
811
910
109
118
127
136
146
155
165
174
184
193
203
213
222
232
242
252
261
271
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1481015234
2521014213
3551013193
4571012183
5611011162
6621011152
7641110132
867119121
971108101
107210891
117410781
127710670
13799660
14819550
15828550
16848440
17867430
18867430
19896320
20905320
21925210
22934210
23943210
24953110
25972100
26972100
27972100
28972100
29981100
30981100

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1417light breeze
1517light breeze
1617light breeze
1718light breeze
1818light breeze
1918light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2420light breeze
2520light breeze
2620breezy
2720breezy
2820breezy
2921breezy
3021breezy

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 5:19 AM to 5:22 AM, and sunset from 5:38 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:195:38
212.35:195:37
312.35:195:36
412.35:195:36
512.35:195:35
612.25:195:34
712.25:195:33
812.25:205:32
912.25:205:31
1012.25:205:31
1112.25:205:30
1212.25:205:29
1312.15:205:28
1412.15:205:27
1512.15:205:26
1612.15:205:26
1712.15:205:25
1812.15:205:24
1912.05:215:23
2012.05:215:22
2112.05:215:21
2212.05:215:21
2312.05:215:20
2412.05:215:19
2511.95:215:18
2611.95:215:17
2711.95:215:17
2811.95:225:16
2911.95:225:15
3011.95:225:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.96 kWh/m².

For context, solar energy here swings from a low near 5.74 kWh/m² to a high of 7.83 kWh/m² in April across the year — September's 6.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Amdjarass

In seasonPeak

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

Amdjarass sees seasonal dust haze (February–October), heaviest in May.

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

Is September a good time to visit Amdjarass?

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

3.3
Sightseeing
9th-best month of the year
7.0
Beach & pool
7th-best month of the year

September is a weaker month for outdoor sightseeing in Amdjarass. The water and warmth also suit a beach or pool day.

What to pack for Amdjarass in September

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

In September, Amdjarass sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Amdjarass in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amdjarass peaks around April 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighApr 23UV 13Dec 17UV 6
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar11Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul10Very high
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec6High

Air quality in Amdjarass 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 Amdjarass is worst in February — around 103 µg/m³ PM2.5 (unhealthy), about 2.9× the cleanest month (August, 35 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 22103 µg/m³Aug 1836 µg/m³
PM2.5 (µg/m³)Level
Jan93Unhealthy
Feb103Unhealthy
Mar103Unhealthy
Apr80Unhealthy
May67Unhealthy
Jun52Poor
Jul49Poor
Aug35Poor
Sep44Poor
Oct68Unhealthy
Nov63Unhealthy
Dec87Unhealthy
Location & terrain

Where is Amdjarass?

Amdjarass sits at 16.1°N, 22.8°E, 900 m above sea level, in Chad. The nearest listed city is Iriba, 123 km away.

IribaFadaBiltineKutum'ĀrdamatāEl Geneina FortAl-JunaynahAdré

Topography around Amdjarass

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

Within 3 km, the terrain around Amdjarass has only modest variations in elevation — a maximum elevation change of 126 m around an average of 912 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 301 m; within 80 km, significant variations in elevation — a maximum elevation change of 534 m.

The land around Amdjarass is covered by bare terrain (99%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (91%) within 80 km.

3 km
126 m
16 km
301 m
80 km
534 m
grasslandbare terrain
September weather nearby: Iriba 123 km · Fada 183 km · Biltine 267 km · Kutum 286 km · 'Ārdamatā 291 km · El Geneina Fort 291 km · Al-Junaynah 294 km · Adré 297 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 Amdjarass (16.0667°, 22.8354°, elevation 900 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).