In Salah in Fall

In fall (September, October and November), In Salah sees average daytime highs around 34°C and overnight lows near 20°C, with 3 mm of rain over about 1 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 42°C in early September to 24°C by late November. The sky is clear or mostly clear about 75% of the time across fall, and the air most often feels dry.

Fall is In Salah's 3rd-best season to visit on our travel score. For the whole year in context, see In Salah's year-round climate.

Avg daytime high
34°C
2nd-warmest season
Avg overnight low
20°C
Rainfall
3 mm
1 wet days
Avg wind
17 km/h
Travel score
4.2
3rd-best season
Months
Sep · Oct · Nov

Temperature in In Salah in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 42°C in early September to 24°C by late November.

A typical fall day in In Salah reaches about 34°C and drops to 20°C overnight. The warmest of the three months is September, the coolest November.

10°20°30°40°SepOctNov

How fall really feels in In Salah

Once humidity and wind are folded in, fall brings about 56 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
56
24 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

In Salah weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 20.410.58.7
Feb24° / 10°10.4119.1
Mar28° / 14°20.411.87.8
Apr33° / 18°20.412.64.4
May38° / 24°10.113.31.3
Jun43° / 28°0013.70.0
Jul45° / 30°0013.50.0
Aug44° / 30°00130.0
Sep40° / 27°10.112.20.3
Oct34° / 21°10.411.33.8
Nov27° / 13°10.310.78.4
Dec22° / 20.310.38.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

In Salah gets around 3 mm of rain over 1 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 17 km/h across fall.

0510152025SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 36 min in early September to 10 h 24 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 5.6 kWh/m².

02468SepOctNov
Planning a trip in fall

Hazard calendar for In Salah

In seasonPeak

In fall, In Salah overlaps its dust season. The full year is below, with each hazard's peak months called out.

In Salah sees seasonal dust haze (February–October), heaviest in June.

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

Is fall a good time to visit In Salah?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.2
Sightseeing
3rd-best month of the year
6.2
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit In Salah for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for In Salah in Fall

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

In fall, In Salah sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in In Salah in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in In Salah peaks around July 12 at about 10 (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 12UV 10Dec 17UV 4
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr9Very high
May10Extreme
Jun10Very high
Jul11Extreme
Aug8Very high
Sep10Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in In Salah in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in In Salah is worst in July — around 106 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (November, 64 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyJul 17104 µg/m³Nov 1567 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb104Unhealthy
Mar93Unhealthy
Apr97Unhealthy
May103Unhealthy
Jun91Unhealthy
Jul106Unhealthy
Aug93Unhealthy
Sep87Unhealthy
Oct87Unhealthy
Nov64Unhealthy
Dec92Unhealthy
Location & terrain

Where is In Salah?

In Salah sits at 27.2°N, 2.5°E, 293 m above sea level, in Algeria. The nearest listed city is Aoulef, 141 km away.

AoulefRegganeAdrarTimimounEl MeniaMetlili ChaambaTamanghassetRouissat

Topography around In Salah

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

Within 3 km, the terrain around In Salah has only modest variations in elevation — a maximum elevation change of 37 m around an average of 283 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, significant variations in elevation — a maximum elevation change of 519 m.

The land around In Salah is covered by bare terrain (76%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (100%) within 80 km.

3 km
37 m
16 km
166 m
80 km
519 m
treesshrubscroplandartificial surfacesbare terrain
Fall weather nearby: Aoulef 141 km · Reggane 235 km · Adrar 284 km · Timimoun 318 km · El Menia 378 km · Metlili Chaamba 575 km · Tamanghasset 579 km · Rouissat 594 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 In Salah (27.1968°, 2.4791°, elevation 293 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.