Natal, Brazil weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: August – February
What is the weather like in Natal, Brazil in September?
In September, Natal, Brazil is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 26.5 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 13 rainy days and 34 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 30 km/h. All in all, September is an excellent month for a holiday in Natal, Brazil.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 80 | 88 | 90 |
| Day | 27° | 28° | 29° |
| Night | 23° | 23° | 24° |
| Sea | 26° | 27° | 27° |
| Sun | 8 h | 9 h | 10 h |
| Rain days | 16 | 13 | 11 |
More details for September
- Daylight
- 12 h 4 min05:14 – 17:18
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 37 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Fortaleza
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %98 %
- Few rainy daysweight 20 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Natal, Brazil in September: quick answers
Is Natal, Brazil hot in September?
Yes. In September, Natal, Brazil is hot: daytime highs average 28 °C and nights stay around 23 °C.
Can you swim in Natal, Brazil in September?
Yes. In September the sea averages 26.5 °C – lovely and warm for swimming.
Does it rain much in Natal, Brazil in September?
Rain is frequent, with about 13 rainy days and 34 mm in total.
Natal, Brazil month by month
The whole year in Natal, BrazilAll destinations: BrazilWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences