Diéma in Fall
In fall (September, October and November), Diéma sees average daytime highs around 35°C and overnight lows near 22°C, with 143 mm of rain over about 20 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 34°C by late November. The sky is clear or mostly clear about 42% of the time across fall, and the air most often feels oppressive.
Fall is Diéma's 2nd-best season to visit on our travel score. For the whole year in context, see Diéma's year-round climate.
- Avg daytime high
- 35°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 143 mm
- 20 wet days
- Avg wind
- 9 km/h
- Travel score
- 2.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Diéma in Fall
Over the season highs climb from about 31°C in early September to 34°C by late November.
A typical fall day in Diéma reaches about 35°C and drops to 22°C overnight. The warmest of the three months is October, the coolest November.
How fall really feels in Diéma
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.
Diéma 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° / 17° | 1 | 0.2 | 11.2 | 5.6 |
| Feb | 34° / 20° | 0 | 0.1 | 11.5 | 3.7 |
| Mar | 38° / 23° | 1 | 0.2 | 11.9 | 1.5 |
| Apr | 40° / 26° | 1 | 0.5 | 12.3 | 0.0 |
| May | 41° / 28° | 9 | 2.4 | 12.7 | 0.0 |
| Jun | 39° / 28° | 33 | 7.5 | 12.8 | 0.8 |
| Jul | 34° / 25° | 111 | 14.8 | 12.8 | 2.8 |
| Aug | 31° / 24° | 185 | 18.5 | 12.5 | 3.4 |
| Sep | 33° / 24° | 112 | 14 | 12.1 | 3.3 |
| Oct | 36° / 23° | 30 | 5.4 | 11.7 | 2.3 |
| Nov | 35° / 20° | 1 | 0.2 | 11.3 | 2.9 |
| Dec | 32° / 18° | 0 | 0.1 | 11.2 | 4.9 |
Cloud cover in Fall
The sky is clear or mostly clear about 42% of the time across fall.
Chance of precipitation in Fall
Diéma gets around 143 mm of rain over 20 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 9 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 5.9 kWh/m².
Hazard calendar for Diéma
In fall, Diéma overlaps its dust season. The full year is below, with each hazard's peak months called out.
Diéma sees seasonal dust haze (February–October), heaviest in June.
Is fall a good time to visit Diéma?
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 Diéma.
What to pack for Diéma in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Diéma sees daytime highs around 35°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.
UV index in Diéma 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 Diéma peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 | 10 | 13 | 11 | 11 | 10 | 11 | 13 | 12 | 10 | 9 | 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 | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 9 | Very high |
| Dec | 7 | High |
Air quality in Diéma 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 Diéma is worst in February — around 67 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (August, 15 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) | 58 | 67 | 64 | 52 | 46 | 44 | 24 | 15 | 19 | 47 | 54 | 54 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 58 | Unhealthy |
| Feb | 67 | Unhealthy |
| Mar | 64 | Unhealthy |
| Apr | 52 | Poor |
| May | 46 | Poor |
| Jun | 44 | Poor |
| Jul | 24 | Moderate |
| Aug | 15 | Moderate |
| Sep | 19 | Moderate |
| Oct | 47 | Poor |
| Nov | 54 | Poor |
| Dec | 54 | Poor |
Where is Diéma?
Diéma sits at 14.5°N, 9.2°W, 255 m above sea level, in Mali. The nearest listed city is Nioro, 88 km away.
Topography around Diéma
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Diéma.
Within 3 km, the terrain around Diéma has only modest variations in elevation — a maximum elevation change of 19 m around an average of 254 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, only modest variations in elevation — a maximum elevation change of 243 m.
The land around Diéma is covered by cropland (60%) and grassland (27%) within 3 km, cropland (59%) and grassland (34%) within 16 km, and grassland (58%) and cropland (23%) within 80 km.
Mali travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $1,193
- 2025
- Happiness
- 4.6 / 10
- World Happiness, 2025
- Road deaths
- 22.7
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Very low
- EF EPI 408
- 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 Diéma (14.54°, -9.1921°, elevation 255 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.