Porto Seguro weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Porto Seguro in September. Check more long-term weather averages for Porto Seguro in September before you book your next holiday to Brazil in 2025/2026.

  • 27°C maximum daytime temperature in September in Porto Seguro27
    27°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Porto Seguro18
    18 days with some rainfall
  • 19°C minimum night-time temperature in September in Porto Seguro19
    19°C min night temperature
  • 12 hours of daylight per day in September in Porto Seguro12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Porto SeguroM
    Moderate heat & humidity
  • 138 mm monthly rainfall in September in Porto Seguro138
    138 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Porto Seguro11
    11 (Extreme) UV index
  • 25°C sea temperature in September in Porto Seguro25
    25°C sea temperature

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The September weather guide for Brazil (Porto Seguro) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Porto Seguro in September?

Daytime temperatures usually reach 27°C in Porto Seguro in September with moderate heat and humidity, falling to 19°C at night.

How sunny is it in Porto Seguro in September?

There are normally 5 hours of bright sunshine each day in Porto Seguro in September - that's 42% of daylight hours.

How warm is the sea around Porto Seguro in September?

The average sea temperature around Porto Seguro in September is 25°C.

Does it rain in Porto Seguro in September?

There are usually 18 days with some rain in Porto Seguro in September and the average monthly rainfall is 138mm.

Porto Seguro September sunrise & sunset times

Browse the sunrise and sunset times for Porto Seguro in September 2025. Select a month to view Porto Seguro sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:42 17:30
Monday, 15th September 2025 05:31 17:32
Tuesday, 30th September 2025 05:19 17:33

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