Mild
Average highs are around 24°C, so days are mild rather than hot.
September verdict
Santos, Sao Paulo, Brazil in September
Weather score48Mixed
Mixed for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 3.7h per day, so this is not one of the brighter months. Rainfall averages 157mm, so some wet days are possible.
September weather
Monthly averages
Temp
24°C
Rain
157mm
Sun
3.7h
Sea
21°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 157mm, so some wet days are possible.
Limited sun
Sunshine averages 3.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Weather map
Compare Santos, Sao Paulo, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September24°C average high
September is on the cooler side of Santos' year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September157mm average rain
September sits on the drier side of Santos' year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September3.7 hours average sun
September is one of Santos' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to August and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September21°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
September48 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 June, August, and November to December
These months have the strongest weather score in the monthly averages.
