Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 134mm, so some wet days are possible.
Monthly averages
Temp
27°C
Rain
134mm
Sun
6.4h
Sea
26°C
Weather score
64
Good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 134mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Compare Ilhéus, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
September27°C average high
September is on the cooler side of Ilhéus' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to April and November to December
This stretch sets the upper range for average daytime heat.
September134mm average rain
September sits on the drier side of Ilhéus' year, which helps with sightseeing and transfers.
Driest monthsJanuary and August to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September6.4 hours average sun
September is close to Ilhéus' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary to March and December
This stretch has the strongest sunshine in the monthly averages.
September26°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to May
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
September64 weather score
September is close to Ilhéus' usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.