Climate Comparison

Porto Alegre vs Rio de Janeiro in September

How the climate for Porto Alegre and Rio de Janeiro typically compares in September.

Porto Alegre versus Rio de Janeiro weather metrics for September
Climate MetricPorto AlegreBrazilRio de JaneiroBrazilBest
Overall score84/10090/100
Avg high temp71°F83°F
How it feelsComfortableSlightly humid
Rain days1111
Sunshine7.9h8.7h
Sea tempN/AData unavailable73°F

Annual Comparison

  • Porto Alegre
  • Rio de Janeiro

Avg. high temperature (°F)

Typical daytime high you can expect.

60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec71°83°

Avg. high temperature (°F)

Typical daytime high you can expect.

60°70°80°90°100°JanFebMarAprMayJunJulAugSepOctNovDec71°83°

Precipitation (in)

Monthly precipitation patterns across the year.

0.05.01015JanFebMarAprMayJunJulAugSepOctNovDec6.23.0

Sunshine hours (h/day)

Average hours of sunshine per day.

0.02.04.06.08.010.012.0JanFebMarAprMayJunJulAugSepOctNovDec7.98.7

Air feel (%)

Share of time the air feels humid or very humid.

0%5%10%JanFebMarAprMayJunJulAugSepOctNovDec

Go deeper

Full climate detail for Porto Alegre→Full climate detail for Rio de Janeiro→
Compare Porto Alegre in other monthsAugustOctober