Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Ilha do Mel, Brazil in September
Weather score36Poor
Poor for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 2.6h per day, so this is not one of the brighter months. Rainfall averages 137mm, so some wet days are possible.
September weather
Monthly averages
Temp
21°C
Rain
137mm
Sun
2.6h
Sea
20°C
Weather score
36
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 137mm, so some wet days are possible.
Limited sun
Sunshine averages 2.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 20°C, so the water can feel cool.
Map
Weather map
Compare Ilha do Mel, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°C average high
September is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
Rain
September137mm average rain
September sits on the drier side of Ilha do Mel's year, which helps with sightseeing and transfers.
Driest monthsMay to September and November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September2.6 hours average sun
September is one of Ilha do Mel's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to July and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September20°C average sea
September is below Ilha do Mel's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to April and December
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
September36 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to May and November to December
These months have the strongest weather score in the monthly averages.