Natal weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Natal in September. Check more long-term weather averages for Natal in September before you book your next holiday to Brazil in 2025/2026.

  • 29°C maximum daytime temperature in September in Natal29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in September in Natal9
    9 days with some rainfall
  • 21°C minimum night-time temperature in September in Natal21
    21°C min night temperature
  • 12 hours of daylight per day in September in Natal12
    12 hours of daylight per day
  • High heat & humidity in September in NatalH
    High heat & humidity
  • 55 mm monthly rainfall in September in Natal55
    55 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Natal11
    11+ (Extreme) UV index
  • 26°C sea temperature in September in Natal26
    26°C sea temperature

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The September weather guide for Brazil (Natal) 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 Natal in September?

Daytime temperatures usually reach 29°C in Natal in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Natal in September?

There are normally 9 hours of bright sunshine each day in Natal in September - that's 71% of daylight hours.

How warm is the sea around Natal in September?

The average sea temperature around Natal in September is 26°C.

Does it rain in Natal in September?

There are usually 9 days with some rain in Natal in September and the average monthly rainfall is 55mm.

Natal September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:21 17:21
Monday, 15th September 2025 05:14 17:18
Tuesday, 30th September 2025 05:06 17:15

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