Ilhéus in Spring
In spring (September, October and November), Ilhéus sees average daytime highs around 26°C and overnight lows near 23°C, with 269 mm of rain over about 49 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 27°C by late November. The sky is clear or mostly clear about 37% of the time across spring, and the air most often feels oppressive.
Spring is Ilhéus's best season of the year to visit on our travel score. Ilhéus 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 Ilhéus's year-round climate.
- Avg daytime high
- 26°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 269 mm
- 49 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.8
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Ilhéus in Spring
Over the season highs climb from about 25°C in early September to 27°C by late November.
A typical spring day in Ilhéus reaches about 26°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.
Ilhéus weather by month
How the three spring 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° / 25° | 95 | 20.4 | 12.8 | 4.9 |
| Feb | 28° / 25° | 81 | 19.4 | 12.5 | 4.5 |
| Mar | 28° / 25° | 116 | 23.1 | 12.1 | 4.4 |
| Apr | 28° / 24° | 131 | 23.1 | 11.7 | 4.6 |
| May | 26° / 23° | 110 | 19.1 | 11.3 | 5.3 |
| Jun | 25° / 22° | 98 | 19.4 | 11.1 | 5.5 |
| Jul | 25° / 21° | 95 | 20.1 | 11.2 | 5.6 |
| Aug | 25° / 21° | 70 | 17.7 | 11.5 | 5.9 |
| Sep | 25° / 22° | 61 | 15.1 | 11.9 | 6.2 |
| Oct | 26° / 23° | 83 | 16.1 | 12.3 | 5.9 |
| Nov | 27° / 24° | 125 | 17.9 | 12.7 | 5.2 |
| Dec | 28° / 25° | 110 | 17.9 | 12.9 | 5.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 37% of the time across spring.
Chance of precipitation in Spring
Ilhéus gets around 269 mm of rain over 49 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 13 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early September to 12 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.5 kWh/m².
Is spring a good time to visit Ilhéus?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Ilhéus for sightseeing.
What to pack for Ilhéus in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Ilhéus sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 49 days see rain.
Sea temperature near Ilhéus in Spring
The nearest coast averages about 26°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in March at about 28°C and coldest in August near 25°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) | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 |
| Comfort | Warm | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Tropical |
| May | 27 | Warm |
| Jun | 26 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 27 | Warm |
UV index in Ilhéus in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ilhéus peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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) | 13 | 15 | 14 | 12 | 9 | 8 | 8 | 9 | 11 | 13 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Ilhéus?
Ilhéus sits at 14.8°S, 39.0°W, in Brazil. The nearest listed city is Itabuna, 27 km away.
Topography around Ilhéus
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ilhéus.
Within 3 km, the terrain around Ilhéus has only modest variations in elevation — a maximum elevation change of 72 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 181 m; within 80 km, large variations in elevation — a maximum elevation change of 1,034 m.
The land around Ilhéus is covered by water (55%) and artificial surfaces (22%) within 3 km, water (54%) and trees (40%) within 16 km, and trees (51%) and water (32%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 Ilhéus (-14.7991°, -39.0323°), 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.