Grand-Bassam in Fall
In fall (September, October and November), Grand-Bassam sees average daytime highs around 26°C and overnight lows near 25°C, with 288 mm of rain over about 67 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 25°C in early September to 28°C by late November. The sky is clear or mostly clear about 16% of the time across fall, and the air most often feels oppressive.
Fall is Grand-Bassam's 3rd-best season to visit on our travel score. Grand-Bassam has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Grand-Bassam's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 288 mm
- 67 wet days
- Avg wind
- 12 km/h
- Travel score
- 4.7
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Grand-Bassam in Fall
Over the season highs climb from about 25°C in early September to 28°C by late November.
A typical fall day in Grand-Bassam reaches about 26°C and drops to 25°C overnight. The warmest of the three months is November, the coolest September.
How fall really feels in Grand-Bassam
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Grand-Bassam 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 | 28° / 26° | 47 | 13.7 | 11.7 | 6.0 |
| Feb | 28° / 26° | 55 | 16.3 | 11.8 | 5.2 |
| Mar | 28° / 26° | 78 | 20.2 | 12 | 4.4 |
| Apr | 28° / 26° | 103 | 21.9 | 12.1 | 4.1 |
| May | 28° / 26° | 206 | 27.9 | 12.2 | 3.6 |
| Jun | 27° / 25° | 250 | 27.3 | 12.3 | 3.8 |
| Jul | 25° / 24° | 129 | 19.8 | 12.3 | 5.1 |
| Aug | 25° / 24° | 64 | 14.3 | 12.2 | 5.9 |
| Sep | 25° / 24° | 88 | 18.3 | 12 | 5.3 |
| Oct | 26° / 25° | 107 | 24.3 | 11.9 | 4.5 |
| Nov | 28° / 25° | 93 | 24.2 | 11.8 | 4.3 |
| Dec | 28° / 26° | 63 | 18.9 | 11.7 | 5.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 16% of the time across fall.
Chance of precipitation in Fall
Grand-Bassam gets around 288 mm of rain over 67 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 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 42 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 4.9 kWh/m².
Hazard calendar for Grand-Bassam
None of Grand-Bassam's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Grand-Bassam's rainy season runs May–July, when most of the year's rain falls.
Grand-Bassam sees seasonal dust haze (January–February), heaviest in February.
Is fall a good time to visit Grand-Bassam?
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 reasonable time to visit Grand-Bassam for sightseeing.
What to pack for Grand-Bassam in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Grand-Bassam sees daytime highs around 26°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 67 days see rain.
Sea temperature near Grand-Bassam in Fall
The nearest coast averages about 26°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in April at about 28°C and coldest in August near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 28 | 28 | 28 | 27 | 25 | 24 | 24 | 26 | 28 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Refreshing | Warm | Warm | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 25 | Warm |
| Aug | 24 | Refreshing |
| Sep | 24 | Warm |
| Oct | 26 | Warm |
| Nov | 28 | Tropical |
| Dec | 28 | Tropical |
UV index in Grand-Bassam 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 Grand-Bassam peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 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) | 10 | 12 | 13 | 14 | 11 | 10 | 8 | 11 | 12 | 11 | 10 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 8 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Grand-Bassam 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 Grand-Bassam is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (August, 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) | 72 | 61 | 42 | 40 | 29 | 27 | 25 | 22 | 22 | 27 | 36 | 61 |
| Level | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 72 | Unhealthy |
| Feb | 61 | Unhealthy |
| Mar | 42 | Poor |
| Apr | 40 | Poor |
| May | 29 | Moderate |
| Jun | 27 | Moderate |
| Jul | 25 | Moderate |
| Aug | 22 | Moderate |
| Sep | 22 | Moderate |
| Oct | 27 | Moderate |
| Nov | 36 | Poor |
| Dec | 61 | Unhealthy |
Where is Grand-Bassam?
Grand-Bassam sits at 5.2°N, 3.7°W, 7 m above sea level, in Ivory Coast. The nearest listed city is Bonoua, 17 km away.
Topography around Grand-Bassam
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grand-Bassam.
Within 3 km, the terrain around Grand-Bassam has only modest variations in elevation — a maximum elevation change of 14 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, only modest variations in elevation — a maximum elevation change of 201 m.
The land around Grand-Bassam is covered by artificial surfaces (29%), grassland (22%) and water (21%) within 3 km, water (49%) and trees (34%) within 16 km, and trees (55%) and water (38%) within 80 km.
Ivory Coast travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 37% of US
- price level, 2025
- GDP per capita
- $3,050
- 2025
- Happiness
- 5.1 / 10
- World Happiness, 2025
- Safe drinking water
- 36%
- of population, 2024
- Road deaths
- 24.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Very low
- EF EPI 393
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 Grand-Bassam (5.2118°, -3.7388°, elevation 7 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.