Fernando de Noronha in September
In September, Fernando de Noronha averages 26°C (79°F) during the day and 25°C (77°F) at night, with frequent rain — about 25 days of the month see precipitation (23 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Fernando de Noronha, with some rain to plan around.
How September compares to the rest of the year in Fernando de Noronha
September is one of the coolest months in Fernando de Noronha (12th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 1°C below the annual average (27°C). September runs roughly the same as August (26°C) and stays flat into October.
September sunrise & sunset in Fernando de Noronha
Times shown for Fernando de Noronha local time (America/Noronha), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Fernando de Noronha — September
Golden-hour and blue-hour windows for the 15th of September, in Fernando de Noronha's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Fernando de Noronha in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Fernando de Noronha's popularity.
Crowds & pricing — September in Fernando de Noronha
Fernando de Noronha is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — September in Fernando de Noronha
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Fernando de Noronha in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 27°C / 80°F | 25°C / 78°F | 99 mm | 26 | — |
| February | 27°C / 81°F | 26°C / 78°F | 152 mm | 25 | — |
| March | 27°C / 81°F | 26°C / 78°F | 261 mm | 29 | — |
| April | 28°C / 82°F | 26°C / 78°F | 260 mm | 29 | — |
| May | 28°C / 82°F | 26°C / 79°F | 188 mm | 28 | — |
| June | 27°C / 80°F | 25°C / 78°F | 134 mm | 27 | — |
| July | 26°C / 80°F | 25°C / 77°F | 111 mm | 27 | — |
| August | 26°C / 79°F | 25°C / 76°F | 45 mm | 26 | — |
| September | 26°C / 79°F | 25°C / 77°F | 23 mm | 25 | — |
| October | 26°C / 79°F | 25°C / 77°F | 20 mm | 25 | — |
| November | 27°C / 80°F | 26°C / 78°F | 18 mm | 22 | — |
| December | 27°C / 80°F | 26°C / 78°F | 44 mm | 23 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Fernando de Noronha in September →
Frequently asked questions
How hot is Fernando de Noronha in September?
In September, Fernando de Noronha averages a high of 26°C (79°F) and a low of 25°C (77°F) — generally warm.
Does it rain a lot in Fernando de Noronha in September?
September is quite rainy in Fernando de Noronha, with about 25 rainy days on average.
Is September a good time to visit Fernando de Noronha?
September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Fernando de Noronha in September?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Fernando de Noronha for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.