Kérou in Fall
In fall (September, October and November), Kérou sees average daytime highs around 33°C and overnight lows near 22°C, with 245 mm of rain over about 33 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 29°C in early September to 34°C by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels oppressive.
Fall is Kérou's 2nd-best season to visit on our travel score. For the whole year in context, see Kérou's year-round climate.
- Avg daytime high
- 33°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 245 mm
- 33 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.5
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Kérou in Fall
Over the season highs climb from about 29°C in early September to 34°C by late November.
A typical fall day in Kérou reaches about 33°C and drops to 22°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Kérou
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.
Kérou 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° / 19° | 1 | 0.1 | 11.4 | 4.8 |
| Feb | 35° / 22° | 2 | 0.5 | 11.6 | 3.0 |
| Mar | 38° / 24° | 9 | 1.9 | 11.9 | 1.5 |
| Apr | 37° / 26° | 37 | 8.3 | 12.2 | 1.5 |
| May | 35° / 25° | 90 | 16 | 12.5 | 2.3 |
| Jun | 32° / 23° | 111 | 18.9 | 12.6 | 3.1 |
| Jul | 30° / 23° | 197 | 24.1 | 12.6 | 3.4 |
| Aug | 29° / 22° | 276 | 26.8 | 12.4 | 3.3 |
| Sep | 30° / 22° | 186 | 22.2 | 12.1 | 3.4 |
| Oct | 33° / 22° | 58 | 10.3 | 11.8 | 3.6 |
| Nov | 35° / 20° | 1 | 0.4 | 11.5 | 3.5 |
| Dec | 33° / 19° | 0 | 0 | 11.4 | 4.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
Kérou gets around 245 mm of rain over 33 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 24 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 5.8 kWh/m².
Hazard calendar for Kérou
In fall, Kérou overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Kérou's monsoon runs July–September, when most of the year's rain falls.
Kérou sees seasonal dust haze (January–June), heaviest in March.
Is fall a good time to visit Kérou?
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 Kérou. The water and warmth also suit a beach or pool day.
What to pack for Kérou in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kérou sees daytime highs around 33°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 33 days see rain.
UV index in Kérou in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kérou peaks around September 13 at about 12 (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) | 9 | 11 | 10 | 12 | 11 | 11 | 11 | 12 | 12 | 10 | 9 | 8 |
| Level | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 10 | Very high |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Kérou 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 Kérou is worst in February — around 86 µg/m³ PM2.5 (unhealthy), about 6.4× the cleanest month (August, 14 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) | 72 | 86 | 62 | 44 | 24 | 19 | 14 | 14 | 19 | 33 | 46 | 67 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 72 | Unhealthy |
| Feb | 86 | Unhealthy |
| Mar | 62 | Unhealthy |
| Apr | 44 | Poor |
| May | 24 | Moderate |
| Jun | 19 | Moderate |
| Jul | 14 | Moderate |
| Aug | 14 | Moderate |
| Sep | 19 | Moderate |
| Oct | 33 | Moderate |
| Nov | 46 | Poor |
| Dec | 67 | Unhealthy |
Where is Kérou?
Kérou sits at 10.8°N, 2.1°E, 332 m above sea level, in Benin. The nearest listed city is Sinendé, 61 km away.
Topography around Kérou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kérou.
Within 3 km, the terrain around Kérou has only modest variations in elevation — a maximum elevation change of 46 m around an average of 330 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, significant variations in elevation — a maximum elevation change of 475 m.
The land around Kérou is covered by cropland (49%) and shrubs (23%) within 3 km, cropland (65%) within 16 km, and cropland (41%), shrubs (31%) and grassland (23%) within 80 km.
Benin travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $1,658
- 2025
- Happiness
- 4.4 / 10
- World Happiness, 2025
- Safe drinking water
- 18%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2017
- Road deaths
- 26.8
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Very low
- EF EPI 406
- 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 Kérou (10.8258°, 2.1048°, elevation 332 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.