Biltine in Fall
In fall (September, October and November), Biltine sees average daytime highs around 36°C and overnight lows near 23°C, with 44 mm of rain over about 8 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 36°C. The sky is clear or mostly clear about 67% of the time across fall, and the air most often feels dry.
Fall is Biltine's 2nd-best season to visit on our travel score. For the whole year in context, see Biltine's year-round climate.
- Avg daytime high
- 36°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 44 mm
- 8 wet days
- Avg wind
- 12 km/h
- Travel score
- 2.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Biltine in Fall
Across fall, daytime highs hold fairly steady around 36°C.
A typical fall day in Biltine reaches about 36°C and drops to 23°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Biltine
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.
Biltine 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 | 32° / 17° | 0 | 0 | 11.2 | 5.3 |
| Feb | 35° / 19° | 0 | 0 | 11.5 | 3.7 |
| Mar | 37° / 22° | 0 | 0 | 11.9 | 1.7 |
| Apr | 40° / 26° | 1 | 0.3 | 12.3 | 0.2 |
| May | 40° / 27° | 6 | 1.9 | 12.7 | 0.1 |
| Jun | 39° / 26° | 15 | 4.2 | 12.8 | 0.9 |
| Jul | 35° / 24° | 83 | 12.9 | 12.8 | 2.4 |
| Aug | 32° / 23° | 160 | 19 | 12.5 | 3.2 |
| Sep | 35° / 24° | 41 | 6.4 | 12.1 | 2.5 |
| Oct | 37° / 24° | 4 | 1.2 | 11.7 | 1.8 |
| Nov | 35° / 21° | 0 | 0 | 11.3 | 3.3 |
| Dec | 33° / 17° | 0 | 0 | 11.2 | 4.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 67% of the time across fall.
Chance of precipitation in Fall
Biltine gets around 44 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 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 12 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 6.4 kWh/m².
Hazard calendar for Biltine
In fall, Biltine overlaps its dust season. The full year is below, with each hazard's peak months called out.
Biltine sees seasonal dust haze (March–October), heaviest in June.
Is fall a good time to visit Biltine?
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 Biltine. The water and warmth also suit a beach or pool day.
What to pack for Biltine in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Biltine sees daytime highs around 36°C and nights near 23°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Biltine 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 Biltine peaks around August 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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) | 9 | 11 | 11 | 10 | 10 | 11 | 10 | 12 | 11 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 11 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Biltine 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 Biltine is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (September, 22 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) | 37 | 48 | 63 | 50 | 42 | 42 | 35 | 22 | 22 | 29 | 25 | 32 |
| Level | Poor | Poor | Unhealthy | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 37 | Poor |
| Feb | 48 | Poor |
| Mar | 63 | Unhealthy |
| Apr | 50 | Poor |
| May | 42 | Poor |
| Jun | 42 | Poor |
| Jul | 35 | Poor |
| Aug | 22 | Moderate |
| Sep | 22 | Moderate |
| Oct | 29 | Moderate |
| Nov | 25 | Moderate |
| Dec | 32 | Moderate |
Where is Biltine?
Biltine sits at 14.5°N, 20.9°E, 518 m above sea level, in Chad. The nearest listed city is Abéché, 78 km away.
Topography around Biltine
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Biltine.
Within 3 km, the terrain around Biltine has only modest variations in elevation — a maximum elevation change of 159 m around an average of 516 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 398 m; within 80 km, large variations in elevation — a maximum elevation change of 773 m.
The land around Biltine is covered by grassland (58%) and bare terrain (37%) within 3 km, grassland (85%) within 16 km, and grassland (89%) 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 Biltine (14.5273°, 20.926°, elevation 518 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.