L’Arbaa Naït Irathen in Fall
In fall (September, October and November), L’Arbaa Naït Irathen sees average daytime highs around 23°C and overnight lows near 15°C, with 214 mm of rain over about 28 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 29°C in early September to 16°C by late November. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.
Fall is L’Arbaa Naït Irathen's 2nd-best season to visit on our travel score. For the whole year in context, see L’Arbaa Naït Irathen's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 214 mm
- 28 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in L’Arbaa Naït Irathen in Fall
Over the season highs ease from about 29°C in early September to 16°C by late November.
A typical fall day in L’Arbaa Naït Irathen reaches about 23°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
L’Arbaa Naït Irathen 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 14° / 6° | 116 | 12.7 | 0.5 | 9.8 | 3.8 |
| Feb | 14° / 6° | 94 | 11.2 | 0.7 | 10.6 | 4.0 |
| Mar | 16° / 8° | 93 | 10.8 | 0.2 | 11.7 | 5.1 |
| Apr | 18° / 10° | 85 | 10.5 | 0 | 12.9 | 6.0 |
| May | 22° / 14° | 61 | 7.4 | 0 | 13.9 | 7.3 |
| Jun | 26° / 18° | 13 | 2.6 | 0 | 14.5 | 8.2 |
| Jul | 30° / 21° | 3 | 0.8 | 0 | 14.2 | 6.6 |
| Aug | 31° / 22° | 10 | 2 | 0 | 13.4 | 5.9 |
| Sep | 27° / 19° | 45 | 7 | 0 | 12.2 | 7.0 |
| Oct | 23° / 15° | 64 | 8.7 | 0 | 11.1 | 7.2 |
| Nov | 18° / 11° | 106 | 12.6 | 0 | 10 | 5.6 |
| Dec | 15° / 8° | 114 | 11.8 | 0.1 | 9.5 | 4.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
L’Arbaa Naït Irathen gets around 214 mm of rain over 28 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 42 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.0 kWh/m².
Hazard calendar for L’Arbaa Naït Irathen
In fall, L’Arbaa Naït Irathen overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
L’Arbaa Naït Irathen's rainy season runs October–May, when most of the year's rain falls.
L’Arbaa Naït Irathen sees seasonal dust haze (June–July), heaviest in July.
Is fall a good time to visit L’Arbaa Naït Irathen?
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.
fall is a reasonable time to visit L’Arbaa Naït Irathen for sightseeing.
What to pack for L’Arbaa Naït Irathen in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, L’Arbaa Naït Irathen sees daytime highs around 23°C and nights near 15°C. Pack light clothes. Worth having: rain gear and sun protection. About 28 days see rain.
Sea temperature near L’Arbaa Naït Irathen in Fall
The nearest coast averages about 22°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 28 km away) is warmest in August at about 25°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 5 to Nov 7 — about 5.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 15 | 16 | 18 | 21 | 24 | 25 | 25 | 22 | 19 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in L’Arbaa Naït Irathen in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in L’Arbaa Naït Irathen peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 8 | 7 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in L’Arbaa Naït Irathen in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in L’Arbaa Naït Irathen is worst in August — around 56 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (June, 28 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 31 | 33 | 37 | 34 | 30 | 28 | 41 | 56 | 31 | 39 | 28 | 31 |
| Level | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Poor | Unhealthy | Moderate | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 33 | Moderate |
| Mar | 37 | Poor |
| Apr | 34 | Moderate |
| May | 30 | Moderate |
| Jun | 28 | Moderate |
| Jul | 41 | Poor |
| Aug | 56 | Unhealthy |
| Sep | 31 | Moderate |
| Oct | 39 | Poor |
| Nov | 28 | Moderate |
| Dec | 31 | Moderate |
Where is L’Arbaa Naït Irathen?
L’Arbaa Naït Irathen sits at 36.6°N, 4.2°E, 710 m above sea level, in Algeria. The nearest listed city is Tizi Rached, 5.0 km away.
Topography around L’Arbaa Naït Irathen
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of L’Arbaa Naït Irathen.
Within 3 km, the terrain around L’Arbaa Naït Irathen has large variations in elevation — a maximum elevation change of 816 m around an average of 692 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,455 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,266 m.
The land around L’Arbaa Naït Irathen is covered by trees (81%) within 3 km, trees (62%) within 16 km, and grassland (31%), trees (26%) and water (26%) within 80 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
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 L’Arbaa Naït Irathen (36.6311°, 4.1986°, elevation 710 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.