Sao Paulo weather in September 2025

Expect 24°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Sao Paulo in September. Check more long-term weather averages for Sao Paulo in September before you book your next holiday to Brazil in 2025/2026.

  • 24°C maximum daytime temperature in September in Sao Paulo24
    24°C max day temperature
  • 4 hours of sunshine per day
  • 13 days with some rainfall in September in Sao Paulo13
    13 days with some rainfall
  • 14°C minimum night-time temperature in September in Sao Paulo14
    14°C min night temperature
  • 12 hours of daylight per day in September in Sao Paulo12
    12 hours of daylight per day
  • No heat & humidity in September in Sao Paulo0
    No heat & humidity
  • 71 mm monthly rainfall in September in Sao Paulo71
    71 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Sao Paulo9
    9 (Very High) UV index

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The September weather guide for Brazil (Sao Paulo) 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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More about Brazil

How hot is it in Sao Paulo in September?

Daytime temperatures usually reach 24°C in Sao Paulo in September, falling to 14°C at night.

How sunny is it in Sao Paulo in September?

There are normally 4 hours of bright sunshine each day in Sao Paulo in September - that's 36% of daylight hours.

Does it rain in Sao Paulo in September?

There are usually 13 days with some rain in Sao Paulo in September and the average monthly rainfall is 71mm.

Sao Paulo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:17 17:56
Monday, 15th September 2025 06:03 18:00
Tuesday, 30th September 2025 05:48 18:05

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