Aleg in Fall
In fall (September, October and November), Aleg sees average daytime highs around 37°C and overnight lows near 25°C, with 48 mm of rain over about 8 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 37°C in early September to 34°C by late November. The sky is clear or mostly clear about 53% of the time across fall, and the air most often feels dry.
Fall is Aleg's 2nd-best season to visit on our travel score. For the whole year in context, see Aleg's year-round climate.
- Avg daytime high
- 37°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 48 mm
- 8 wet days
- Avg wind
- 15 km/h
- Travel score
- 1.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Aleg in Fall
Over the season highs ease from about 37°C in early September to 34°C by late November.
A typical fall day in Aleg reaches about 37°C and drops to 25°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Aleg
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Aleg 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 | 31° / 18° | 2 | 0.2 | 11.1 | 5.7 |
| Feb | 33° / 19° | 1 | 0.2 | 11.4 | 4.4 |
| Mar | 36° / 22° | 1 | 0.2 | 11.9 | 2.5 |
| Apr | 39° / 24° | 0 | 0.1 | 12.4 | 0.7 |
| May | 41° / 27° | 0 | 0 | 12.8 | 0.0 |
| Jun | 41° / 28° | 2 | 0.6 | 13 | 0.0 |
| Jul | 38° / 27° | 12 | 2.6 | 12.9 | 1.1 |
| Aug | 37° / 27° | 54 | 6.6 | 12.6 | 1.8 |
| Sep | 38° / 27° | 37 | 5.9 | 12.1 | 1.4 |
| Oct | 39° / 26° | 11 | 1.8 | 11.6 | 0.9 |
| Nov | 36° / 23° | 0 | 0.1 | 11.2 | 2.6 |
| Dec | 32° / 19° | 2 | 0.3 | 11 | 4.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 53% of the time across fall.
Chance of precipitation in Fall
Aleg gets around 48 mm of rain over 8 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 15 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 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 6.1 kWh/m².
Hazard calendar for Aleg
In fall, Aleg overlaps its dust season. The full year is below, with each hazard's peak months called out.
Aleg sees dust haze year-round, heaviest in June.
Is fall a good time to visit Aleg?
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 weaker month for outdoor sightseeing in Aleg.
What to pack for Aleg in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Aleg sees daytime highs around 37°C and nights near 25°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Aleg in Fall
Clear-sky midday UV across fall averages 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 Aleg peaks around March 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 12 | 12 | 10 | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 6 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 6 | High |
Air quality in Aleg 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 Aleg is worst in February — around 143 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (September, 60 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) | 142 | 143 | 110 | 110 | 126 | 134 | 95 | 64 | 60 | 75 | 75 | 129 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 142 | Unhealthy |
| Feb | 143 | Unhealthy |
| Mar | 110 | Unhealthy |
| Apr | 110 | Unhealthy |
| May | 126 | Unhealthy |
| Jun | 134 | Unhealthy |
| Jul | 95 | Unhealthy |
| Aug | 64 | Unhealthy |
| Sep | 60 | Unhealthy |
| Oct | 75 | Unhealthy |
| Nov | 75 | Unhealthy |
| Dec | 129 | Unhealthy |
Where is Aleg?
Aleg sits at 17.1°N, 13.9°W, 40 m above sea level, in Mauritania. The nearest listed city is Bogué, 63 km away.
Topography around Aleg
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aleg.
Within 3 km, the terrain around Aleg has only modest variations in elevation — a maximum elevation change of 26 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 45 m; within 80 km, only modest variations in elevation — a maximum elevation change of 131 m.
The land around Aleg is covered by grassland (57%) and bare terrain (28%) within 3 km, grassland (65%) and bare terrain (28%) within 16 km, and grassland (70%) and bare terrain (27%) within 80 km.
Mauritania travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type C / E / F
- 220 V · 50 Hz
- Prices
- ≈ 31% of US
- price level, 2025
- GDP per capita
- $2,198
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Homicide rate
- 1
- per 100k, 2020
- Road deaths
- 25.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Aleg (17.0531°, -13.9131°, elevation 40 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.