Natal weather in September

September in Natal: hot, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Natal🇧🇷 Brazil · Guianas & Northern Brazil · Beach89
  1. 84Jan
  2. 82Feb
  3. 77Mar
  4. 77Apr
  5. 79May
  6. 81Jun
  7. 81Jul
  8. 89Aug
  9. 89Sep
  10. 89Oct
  11. 90Nov
  12. 88Dec

#3 of 12 months in Natal · #278 of 1413 destinations to visit in September · comfort 89/100 (tier A)

Days
30°C
Nights
24°C
Wet days
13
Sun
11.2 h
Humidity
74%
Daylight
12 h
Natal, Brazil
Photo: Ivett M · Pexels

Traveller notes on Natal in September

Other months in Natal

Natal's forum is upfront that May sits in the region's rainy season, a real contrast to the near-zero-rain stretch from September through January that posters consistently recommend as the better window for beach days. That said, one traveler who spent a full week in Natal in May said they still enjoyed it, timing outdoor plans around the forecast rather than skipping the trip - May even hosts a beachfront rock festival that goes ahead regardless. Expect warm, humid days with a real chance of rain most days, and build flexibility into any day-trip plans.
RioGrandeNorteRegular · May · 1 month ago · Read more on Tripadvisor ↗
Forum posters consistently name Rio Grande do Norte (Natal's state) as one of the driest, most reliable stretches of Brazilian coast in November, with close to zero rainfall typical this time of year - a sharp contrast to the wetter late-March-through-early-May window posters name as Natal's actual rainy stretch. For travelers planning an exclusively beach-focused, dry trip, posters specifically recommend the northeastern coast (Natal, Fortaleza and nearby beaches) over Rio or Salvador, which even in November's broader dry season can still see occasional, if lighter, showers. The overall read from posters: November in Natal means warm, sunny, dependable beach weather with minimal rain risk.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Natal's card on the map.

Natal climate normals — September

Daytime high30°C / 86°F🥵 hot
Nighttime low24°C / 74°F
Feels like (high)31°C / 88°F
Sea temperature27°C / 81°F😎 warm sea
Rainfall35 mm / 1.4 in🌦 some rain
Rainy days13 days
Humidity74%💧 humid
Dew point21°C / 70°F
Sunshine11.2 h/day
Daylight12.1 h
Wind30 km/h / 19 mph
Air quality (US AQI)49🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Natal in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Natal's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherNatal's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Natal in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Trade-wind season

    1 Aug – 15 Jan · usually

    The alisios blow hard and steadily along this coast from August, which is why the kite schools north and south of the city fill from September. Beach umbrellas and restaurant tables lose out.

What's on around the world in September →

Where is Natal?

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Natal in September — FAQ

Is September a good time to visit Natal?
September in Natal: hot, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Natal on SeasonMap's comfort score (89/100).
What is the weather like in Natal in September?
In September, Natal averages a daily high of 29.8°C and a low of 23.5°C, with about 34.8 mm of rain over roughly 12.8 rainy days.
What is the air quality in Natal in September?
Natal has a mean US Air Quality Index of about 49 in September.