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Fernando de Noronha Weather in September
Thinking of visiting Fernando de Noronha in September? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 25°C (77°F) at night, with some rainfall likely.
Rainfall in Fernando de Noronha in September
This month experiences about 12 days of rain according to historical data, averaging 32 mm (1.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Fernando de Noronha in September
The temperature in Fernando de Noronha in September is excellent. Daytime highs reach 28°C (82°F), with nights dropping to 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Fernando de Noronha in September
The days are predominantly sunny, with an estimated total of around 266 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Fernando de Noronha Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
40%
Precipitation
32 mm (1.3 in)
Rainy days
12 days
Sunshine
266 hours
Percentage Sunshine
Fernando de Noronha Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fernando de Noronha - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Fernando de Noronha typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather records for Fernando de Noronha in September
Browse day-by-day weather records for Fernando de Noronha spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fernando de Noronha historical weather extremes in September
The extremes listed below come from historical weather data collected in Fernando de Noronha from 2004 through 2026.
- The hottest September day on record in Fernando de Noronha reached 32°C (90°F) (September 6, 2022).
- On September 17, 2008, Fernando de Noronha saw its coldest September day with temperatures maxing out at 26°C (79°F).
- Nighttime temperatures dropped to 22°C (72°F) on September 5, 2012, marking the coldest September night on record.
Best Places in Brazil in September
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Fernando de Noronha in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Fernando de Noronha in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Fernando de Noronha 3-Day Forecast
More climate data for Fernando de Noronha
See the full Fernando de Noronha climate overview or explore weather in Brazil.
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