Bir el Ater in Fall
In fall (September, October and November), Bir el Ater sees average daytime highs around 23°C and overnight lows near 13°C, with 69 mm of rain over about 13 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 31°C in early September to 14°C by late November. The sky is clear or mostly clear about 58% of the time across fall, and the air most often feels dry.
Fall is Bir el Ater's 2nd-best season to visit on our travel score. For the whole year in context, see Bir el Ater's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 13°C
- Rainfall
- 69 mm
- 13 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Bir el Ater in Fall
Over the season highs ease from about 31°C in early September to 14°C by late November.
A typical fall day in Bir el Ater reaches about 23°C and drops to 13°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Bir el Ater
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.
Bir el Ater 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 11° / 3° | 17 | 3.7 | 9.9 | 3.5 |
| Feb | 13° / 3° | 13 | 2.9 | 10.7 | 4.4 |
| Mar | 17° / 6° | 25 | 4.6 | 11.7 | 6.2 |
| Apr | 21° / 10° | 25 | 4.4 | 12.8 | 7.6 |
| May | 26° / 15° | 19 | 4 | 13.8 | 7.9 |
| Jun | 31° / 19° | 9 | 2.6 | 14.3 | 5.5 |
| Jul | 34° / 22° | 5 | 1.5 | 14.1 | 3.7 |
| Aug | 34° / 22° | 10 | 2.9 | 13.3 | 4.1 |
| Sep | 29° / 18° | 24 | 4.7 | 12.2 | 6.8 |
| Oct | 23° / 13° | 23 | 4.3 | 11.1 | 8.0 |
| Nov | 17° / 8° | 21 | 3.8 | 10.2 | 6.3 |
| Dec | 12° / 4° | 15 | 3.2 | 9.7 | 4.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 58% of the time across fall.
Chance of precipitation in Fall
Bir el Ater gets around 69 mm of rain over 13 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 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 54 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 4.5 kWh/m².
Hazard calendar for Bir el Ater
In fall, Bir el Ater overlaps its dust season. The full year is below, with each hazard's peak months called out.
Bir el Ater sees seasonal dust haze (April–September), heaviest in June.
Is fall a good time to visit Bir el Ater?
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 one of the better times to visit Bir el Ater for general sightseeing.
What to pack for Bir el Ater in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Bir el Ater sees daytime highs around 23°C and nights near 13°C. Pack light clothes. Worth having: a warm layer and sun protection. About 13 days see rain.
UV index in Bir el Ater 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 Bir el Ater peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (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 | 5 | 7 | 6 | 7 | 9 | 10 | 9 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 7 | High |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Bir el Ater 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 Bir el Ater is worst in April — around 32 µg/m³ PM2.5 (moderate), 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) | 24 | 22 | 26 | 32 | 30 | 31 | 27 | 27 | 27 | 27 | 24 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 22 | Moderate |
| Mar | 26 | Moderate |
| Apr | 32 | Moderate |
| May | 30 | Moderate |
| Jun | 31 | Moderate |
| Jul | 27 | Moderate |
| Aug | 27 | Moderate |
| Sep | 27 | Moderate |
| Oct | 27 | Moderate |
| Nov | 24 | Moderate |
| Dec | 22 | Moderate |
Where is Bir el Ater?
Bir el Ater sits at 34.7°N, 8.1°E, 889 m above sea level, in Algeria. The nearest listed city is Moularès, 34 km away.
Topography around Bir el Ater
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bir el Ater.
Within 3 km, the terrain around Bir el Ater has only modest variations in elevation — a maximum elevation change of 177 m around an average of 883 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 731 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,731 m.
The land around Bir el Ater is covered by bare terrain (49%) and artificial surfaces (34%) within 3 km, bare terrain (62%) and grassland (32%) within 16 km, and bare terrain (56%) and grassland (27%) 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 Bir el Ater (34.7449°, 8.0602°, elevation 889 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.