Bordj Bou Arreridj in Fall
In fall (September, October and November), Bordj Bou Arreridj sees average daytime highs around 22°C and overnight lows near 11°C, with 106 mm of rain over about 20 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 30°C in early September to 13°C by late November. The sky is clear or mostly clear about 46% of the time across fall, and the air most often feels dry.
Fall is Bordj Bou Arreridj's best season of the year to visit on our travel score. For the whole year in context, see Bordj Bou Arreridj's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 11°C
- Rainfall
- 106 mm
- 20 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.5
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Bordj Bou Arreridj in Fall
Over the season highs ease from about 30°C in early September to 13°C by late November.
A typical fall day in Bordj Bou Arreridj reaches about 22°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Bordj Bou Arreridj
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Bordj Bou Arreridj 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 | 11° / 2° | 34 | 7 | 1.6 | 9.8 | 2.7 |
| Feb | 12° / 3° | 29 | 7 | 1.5 | 10.6 | 3.4 |
| Mar | 15° / 5° | 41 | 7.7 | 0.6 | 11.7 | 5.2 |
| Apr | 19° / 8° | 44 | 8.1 | 0.1 | 12.9 | 6.5 |
| May | 24° / 12° | 39 | 6.8 | 0 | 13.9 | 7.6 |
| Jun | 30° / 17° | 20 | 4.5 | 0 | 14.4 | 5.8 |
| Jul | 35° / 20° | 8 | 2.8 | 0 | 14.2 | 3.5 |
| Aug | 34° / 20° | 16 | 5.1 | 0 | 13.4 | 3.9 |
| Sep | 28° / 16° | 38 | 7.2 | 0 | 12.2 | 6.7 |
| Oct | 22° / 12° | 33 | 6 | 0 | 11.1 | 7.5 |
| Nov | 15° / 7° | 34 | 6.5 | 0 | 10.1 | 5.2 |
| Dec | 11° / 4° | 29 | 6.3 | 0.9 | 9.6 | 3.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 46% of the time across fall.
Chance of precipitation in Fall
Bordj Bou Arreridj gets around 106 mm of rain over 20 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 7 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 4.2 kWh/m².
Hazard calendar for Bordj Bou Arreridj
None of Bordj Bou Arreridj's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Bordj Bou Arreridj sees seasonal dust haze (April–July), heaviest in June.
Is fall a good time to visit Bordj Bou Arreridj?
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 Bordj Bou Arreridj for sightseeing.
What to pack for Bordj Bou Arreridj in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Bordj Bou Arreridj sees daytime highs around 22°C and nights near 11°C. Pack light clothes. Worth having: a warm layer and sun protection. About 20 days see rain.
UV index in Bordj Bou Arreridj in Fall
Clear-sky midday UV across fall averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bordj Bou Arreridj peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 8 | 9 | 10 | 8 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Bordj Bou Arreridj 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 Bordj Bou Arreridj is worst in September — around 36 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 32 | 34 | 34 | 33 | 33 | 33 | 34 | 36 | 35 | 30 | 33 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 32 | Moderate |
| Mar | 34 | Moderate |
| Apr | 34 | Moderate |
| May | 33 | Moderate |
| Jun | 33 | Moderate |
| Jul | 33 | Moderate |
| Aug | 34 | Moderate |
| Sep | 36 | Poor |
| Oct | 35 | Moderate |
| Nov | 30 | Moderate |
| Dec | 33 | Moderate |
Where is Bordj Bou Arreridj?
Bordj Bou Arreridj sits at 36.1°N, 4.8°E, 906 m above sea level, in Algeria. The nearest listed city is El Achir, 12 km away.
Topography around Bordj Bou Arreridj
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bordj Bou Arreridj.
Within 3 km, the terrain around Bordj Bou Arreridj has only modest variations in elevation — a maximum elevation change of 108 m around an average of 917 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,266 m.
The land around Bordj Bou Arreridj is covered by artificial surfaces (56%) and cropland (22%) within 3 km, cropland (49%) and grassland (26%) within 16 km, and grassland (37%) and cropland (25%) 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 Bordj Bou Arreridj (36.0739°, 4.7614°, elevation 906 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.