Guerou in Fall
In fall (September, October and November), Guerou sees average daytime highs around 36°C and overnight lows near 25°C, with 53 mm of rain over about 10 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 35°C in early September to 32°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 Guerou's 2nd-best season to visit on our travel score. For the whole year in context, see Guerou's year-round climate.
- Avg daytime high
- 36°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 53 mm
- 10 wet days
- Avg wind
- 12 km/h
- Travel score
- 2.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Guerou in Fall
Over the season highs ease from about 35°C in early September to 32°C by late November.
A typical fall day in Guerou reaches about 36°C and drops to 25°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Guerou
Once humidity and wind are folded in, fall brings about 90 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.
Guerou 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 | 29° / 17° | 1 | 0.2 | 11.1 | 7.0 |
| Feb | 32° / 20° | 1 | 0.2 | 11.4 | 5.2 |
| Mar | 36° / 23° | 0 | 0.1 | 11.9 | 2.9 |
| Apr | 39° / 26° | 0 | 0 | 12.4 | 0.6 |
| May | 41° / 29° | 1 | 0.4 | 12.8 | 0.0 |
| Jun | 41° / 30° | 4 | 0.9 | 13 | 0.1 |
| Jul | 37° / 28° | 19 | 3.3 | 12.9 | 1.6 |
| Aug | 35° / 27° | 61 | 8.2 | 12.6 | 2.5 |
| Sep | 37° / 27° | 41 | 7.1 | 12.1 | 1.9 |
| Oct | 38° / 27° | 11 | 2.4 | 11.6 | 1.5 |
| Nov | 34° / 23° | 1 | 0.2 | 11.2 | 3.6 |
| Dec | 30° / 19° | 2 | 0.3 | 11 | 6.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 53% of the time across fall.
Chance of precipitation in Fall
Guerou gets around 53 mm of rain over 10 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 12 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 Guerou
In fall, Guerou overlaps its dust season. The full year is below, with each hazard's peak months called out.
Guerou sees dust haze year-round, heaviest in June.
Is fall a good time to visit Guerou?
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 Guerou.
What to pack for Guerou in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Guerou sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection. About 10 days see rain.
UV index in Guerou in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guerou peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very 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 | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 9 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Guerou 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 Guerou is worst in January — around 120 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (September, 45 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) | 120 | 106 | 77 | 61 | 68 | 91 | 74 | 47 | 45 | 57 | 60 | 108 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 120 | Unhealthy |
| Feb | 106 | Unhealthy |
| Mar | 77 | Unhealthy |
| Apr | 61 | Unhealthy |
| May | 68 | Unhealthy |
| Jun | 91 | Unhealthy |
| Jul | 74 | Unhealthy |
| Aug | 47 | Poor |
| Sep | 45 | Poor |
| Oct | 57 | Unhealthy |
| Nov | 60 | Unhealthy |
| Dec | 108 | Unhealthy |
Where is Guerou?
Guerou sits at 17.1°N, 12.0°W, 183 m above sea level, in Mauritania. The nearest listed city is Elghabra, 83 km away.
Topography around Guerou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guerou.
Within 3 km, the terrain around Guerou has only modest variations in elevation — a maximum elevation change of 236 m around an average of 183 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 399 m; within 80 km, significant variations in elevation — a maximum elevation change of 594 m.
The land around Guerou is covered by bare terrain (56%) and grassland (42%) within 3 km, bare terrain (51%) and grassland (47%) within 16 km, and bare terrain (64%) and grassland (35%) 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 Guerou (17.0775°, -12.0387°, elevation 183 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.