Adrar weather in September

In September, Adrar sees average daytime highs of 41°C and overnight lows near 26°C, with 2 mm of rain across 0.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 43°C in the first days to 38°C by the end. The sky is clear or mostly clear about 80% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Adrar's 7th-clearest and 11th-windiest month. For the whole year in context, see Adrar's year-round climate.

Daytime high
41°
4th warmest
Overnight low
26°
9th coldest
Rainfall
2 mm
0.4 wet days
Daylight
12 h 12 min
6:51 AM – 7:00 PM
Cloud cover
21%
7th clearest
Wind
15 km/h
11th windiest
Solar energy
6.53 kWh/m²
Travel score
0.3
out of 10

Adrar is сapital city of Adrar Province, Algeria.

Density
108/km²
people per km²

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 43°C in the first days to 38°C by the end.

A typical September day in Adrar reaches about 41°C in the afternoon and slips back to 26°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 44°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

20°30°40°50°151015202530
Avg high (°C)Avg low (°C)
14329
24329
34329
44328
54228
64228
74228
84228
94228
104228
114227
124127
134127
144127
154127
164126
174126
184026
194026
204026
214026
223925
233925
243925
253925
263824
273824
283824
293824
303724

How September really feels in Adrar

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
23 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.

Adrar weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 20.410.48.7
Feb24° / 10°20.4119.1
Mar28° / 14°20.411.87.9
Apr33° / 18°30.312.64.6
May38° / 23°00.113.41.5
Jun43° / 27°00.113.70.0
Jul46° / 31°0013.60.0
Aug44° / 30°10.2130.0
Sep41° / 26°20.412.20.3
Oct34° / 20°10.311.34.0
Nov26° / 13°10.410.68.5
Dec22° / 10.210.38.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2964
3964
4964
5955
6955
7955
8937
9937
10937
11937
12928
13919
14919
159010
168911
178812
188713
198614
208614
218416
228416
238218
248218
258218
268119
278119
288119
298020
308020

Chance of precipitation in September

Any precipitation

Adrar gets around 2 mm of rain over 0.4 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
222
232
242
252
262
272
282
292
302

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193520
293520
393520
493520
592620
692620
792620
892620
992620
1093520
1193520
1293520
1393520
1493520
1594420
1694420
1794420
1893421
1993421
2092521
2192521
2292521
2392521
2491621
2591621
2691621
2791621
2891621
2990721
3091711

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2916light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 6:43 AM to 6:58 AM, and sunset from 7:18 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:437:18
212.66:447:17
312.56:447:16
412.56:457:15
512.56:457:14
612.46:467:13
712.46:467:11
812.46:477:10
912.46:477:09
1012.36:487:08
1112.36:487:06
1212.36:497:05
1312.26:497:04
1412.26:507:03
1512.26:507:02
1612.26:517:00
1712.16:516:59
1812.16:526:58
1912.16:526:57
2012.06:536:56
2112.06:536:54
2212.06:536:53
2312.06:546:52
2411.96:546:51
2511.96:556:49
2611.96:556:48
2711.96:566:47
2811.86:566:46
2911.86:576:45
3011.86:586:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.53 kWh/m².

For context, solar energy here swings from a low near 4.02 kWh/m² to a high of 8.04 kWh/m² in June across the year — September's 6.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
36.9Intense
46.9Intense
56.9Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.7Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.4Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Adrar

In seasonPeak

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

Adrar sees seasonal dust haze (February–October), heaviest in July.

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

Is September a good time to visit Adrar?

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

0.3
Sightseeing
9th-best month of the year
2.8
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Adrar.

What to pack for Adrar in September

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

In September, Adrar sees daytime highs around 41°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Adrar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Adrar peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 16UV 11Dec 17UV 4
UV index (midday)Level
Jan5High
Feb7High
Mar8Very high
Apr9Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Adrar 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 Adrar is worst in April — around 76 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (November, 42 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorApr 1775 µg/m³Nov 1744 µg/m³
PM2.5 (µg/m³)Level
Jan46Poor
Feb72Unhealthy
Mar68Unhealthy
Apr76Unhealthy
May71Unhealthy
Jun71Unhealthy
Jul75Unhealthy
Aug72Unhealthy
Sep66Unhealthy
Oct61Unhealthy
Nov42Poor
Dec56Unhealthy
Location & terrain

Where is Adrar?

Adrar sits at 27.9°N, 0.3°W, 257 m above sea level, in Algeria. The nearest listed city is Reggane, 137 km away.

RegganeTimimounAoulefIn SalahEl MeniaBécharMerzougaMoulay Ali Cherif

Topography around Adrar

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

Within 3 km, the terrain around Adrar has only modest variations in elevation — a maximum elevation change of 30 m around an average of 255 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 230 m.

The land around Adrar is covered by artificial surfaces (54%) and bare terrain (36%) within 3 km, bare terrain (95%) within 16 km, and bare terrain (99%) within 80 km.

3 km
30 m
16 km
80 m
80 km
230 m
treescroplandartificial surfacesbare terrain
September weather nearby: Reggane 137 km · Timimoun 163 km · Aoulef 169 km · In Salah 284 km · El Menia 430 km · Béchar 456 km · Merzouga 508 km · Moulay Ali Cherif 539 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
Religion
Muslim 99%

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 Adrar (27.8743°, -0.2939°, elevation 257 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).