Mongo in Fall
In fall (September, October and November), Mongo sees average daytime highs around 34°C and overnight lows near 22°C, with 165 mm of rain over about 24 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 31°C in early September to 35°C by late November. The sky is clear or mostly clear about 48% of the time across fall, and the air most often feels oppressive.
Fall is Mongo's 2nd-best season to visit on our travel score. For the whole year in context, see Mongo's year-round climate.
- Avg daytime high
- 34°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 165 mm
- 24 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Mongo in Fall
Over the season highs climb from about 31°C in early September to 35°C by late November.
A typical fall day in Mongo reaches about 34°C and drops to 22°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Mongo
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.
Mongo 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 | 33° / 16° | 0 | 0 | 11.4 | 4.8 |
| Feb | 35° / 18° | 0 | 0 | 11.6 | 3.0 |
| Mar | 38° / 22° | 0 | 0.1 | 11.9 | 1.1 |
| Apr | 40° / 25° | 6 | 2.3 | 12.3 | 0.2 |
| May | 39° / 27° | 30 | 8.3 | 12.6 | 0.7 |
| Jun | 36° / 26° | 62 | 13 | 12.7 | 1.8 |
| Jul | 32° / 24° | 176 | 23.3 | 12.6 | 2.7 |
| Aug | 30° / 23° | 289 | 26.9 | 12.4 | 3.0 |
| Sep | 32° / 23° | 140 | 18.3 | 12.1 | 3.2 |
| Oct | 35° / 23° | 25 | 5.4 | 11.7 | 3.0 |
| Nov | 35° / 20° | 1 | 0.2 | 11.4 | 3.1 |
| Dec | 33° / 17° | 0 | 0 | 11.3 | 4.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 48% of the time across fall.
Chance of precipitation in Fall
Mongo gets around 165 mm of rain over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — 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 12 min in early September to 11 h 18 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 6.0 kWh/m².
Hazard calendar for Mongo
In fall, Mongo overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Mongo's monsoon runs July–September, when most of the year's rain falls.
Mongo sees seasonal dust haze (March–July), heaviest in March.
Is fall a good time to visit Mongo?
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 Mongo. The water and warmth also suit a beach or pool day.
What to pack for Mongo in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Mongo sees daytime highs around 34°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 24 days see rain.
UV index in Mongo 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 Mongo peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (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) | 10 | 12 | 12 | 12 | 10 | 11 | 12 | 13 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Mongo 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 Mongo is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (August, 19 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) | 35 | 44 | 66 | 43 | 25 | 25 | 20 | 19 | 21 | 28 | 23 | 27 |
| Level | Poor | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 35 | Poor |
| Feb | 44 | Poor |
| Mar | 66 | Unhealthy |
| Apr | 43 | Poor |
| May | 25 | Moderate |
| Jun | 25 | Moderate |
| Jul | 20 | Moderate |
| Aug | 19 | Moderate |
| Sep | 21 | Moderate |
| Oct | 28 | Moderate |
| Nov | 23 | Moderate |
| Dec | 27 | Moderate |
Where is Mongo?
Mongo sits at 12.2°N, 18.7°E, 429 m above sea level, in Chad. The nearest listed city is Bitkine, 56 km away.
Topography around Mongo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mongo.
Within 3 km, the terrain around Mongo has significant variations in elevation — a maximum elevation change of 361 m around an average of 451 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 828 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,219 m.
The land around Mongo is covered by grassland (63%) within 3 km, grassland (81%) within 16 km, and grassland (65%) and shrubs (31%) within 80 km.
Chad travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $1,022
- 2025
- Happiness
- 4.4 / 10
- World Happiness, 2025
- Safe drinking water
- 6%
- of population, 2024
- Road deaths
- 32.4
- per 100k/yr, 2019
- Income group
- Low
- 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 Mongo (12.1851°, 18.6884°, elevation 429 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.