Lençóis Maranhenses in September
In September, Lençóis Maranhenses averages 30°C (86°F) during the day and 26°C (79°F) at night, with frequent rain — about 16 days of the month see precipitation (10 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Lençóis Maranhenses, with some rain to plan around.
How September compares to the rest of the year in Lençóis Maranhenses
September is in the middle of the year for warmth in Lençóis Maranhenses (4th of 12) and one of the driest months (12th of 12). Daytime temperature runs 1°C above the annual average (29°C). September runs roughly the same as August (30°C) and stays flat into October.
September sunrise & sunset in Lençóis Maranhenses
Times shown for Lençóis Maranhenses local time (America/Fortaleza), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Lençóis Maranhenses — September
Golden-hour and blue-hour windows for the 15th of September, in Lençóis Maranhenses's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Lençóis Maranhenses 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 Lençóis Maranhenses's popularity.
Crowds & pricing — September in Lençóis Maranhenses
Lençóis Maranhenses 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.
Sun & mosquito risk — September in Lençóis Maranhenses
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.
Lençóis Maranhenses in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 29°C / 84°F | 25°C / 77°F | 228 mm | 30 | — |
| February | 29°C / 83°F | 25°C / 77°F | 309 mm | 28 | — |
| March | 28°C / 83°F | 25°C / 76°F | 441 mm | 31 | — |
| April | 29°C / 84°F | 25°C / 77°F | 398 mm | 30 | — |
| May | 29°C / 84°F | 25°C / 77°F | 243 mm | 30 | — |
| June | 29°C / 85°F | 25°C / 78°F | 97 mm | 27 | — |
| July | 30°C / 85°F | 25°C / 78°F | 58 mm | 23 | — |
| August | 30°C / 86°F | 26°C / 78°F | 15 mm | 18 | — |
| September | 30°C / 86°F | 26°C / 79°F | 10 mm | 16 | — |
| October | 30°C / 86°F | 26°C / 79°F | 14 mm | 17 | — |
| November | 30°C / 86°F | 26°C / 79°F | 34 mm | 20 | — |
| December | 30°C / 85°F | 26°C / 79°F | 80 mm | 22 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Lençóis Maranhenses in September →
Frequently asked questions
How hot is Lençóis Maranhenses in September?
In September, Lençóis Maranhenses averages a high of 30°C (86°F) and a low of 26°C (79°F) — generally hot.
Does it rain a lot in Lençóis Maranhenses in September?
September is quite rainy in Lençóis Maranhenses, with about 16 rainy days on average.
Is September a good time to visit Lençóis Maranhenses?
September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Lençóis Maranhenses in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Lençóis Maranhenses for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.