Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
September verdict
Fernando de Noronha, Brazil in September
Weather score87Excellent
Excellent for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 11mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
27°C
Rain
11mm
Sun
0h
Sea
26°C
Weather score
87
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 11mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Fernando de Noronha, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September27°C average high
September is close to Fernando de Noronha's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
September11mm average rain
September is one of Fernando de Noronha's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September0 hours average sun
September is close to Fernando de Noronha's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
September26°C average sea
September is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJanuary to June
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
September87 weather score
September is one of Fernando de Noronha's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsAugust to December
These months have the strongest weather score in the monthly averages.