Angra dos Reis in September
In September, Angra dos Reis averages 26°C (79°F) during the day and 19°C (67°F) at night, with frequent rain — about 19 days of the month see precipitation (128 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
September offers comfortable temperatures in Angra dos Reis, with some rain to plan around.
How September compares to the rest of the year in Angra dos Reis
September is in the middle of the year for warmth in Angra dos Reis (8th 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 1°C warmer than August (25°C) and warms a further 1°C into October (27°C).
September sunrise & sunset in Angra dos Reis
Times shown for Angra dos Reis local time (America/Sao_Paulo), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Angra dos Reis — September
Golden-hour and blue-hour windows for the 15th of September, in Angra dos Reis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Angra dos Reis 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 Angra dos Reis's popularity.
Crowds & pricing — September in Angra dos Reis
Angra dos Reis 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 Angra dos Reis
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.
Angra dos Reis in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 85°F | 24°C / 75°F | 293 mm | 26 | — |
| February | 29°C / 85°F | 24°C / 74°F | 326 mm | 24 | — |
| March | 29°C / 84°F | 23°C / 73°F | 297 mm | 27 | — |
| April | 27°C / 80°F | 21°C / 70°F | 209 mm | 22 | — |
| May | 25°C / 77°F | 19°C / 66°F | 109 mm | 19 | — |
| June | 25°C / 76°F | 18°C / 64°F | 93 mm | 15 | — |
| July | 24°C / 76°F | 17°C / 62°F | 80 mm | 12 | — |
| August | 25°C / 77°F | 18°C / 64°F | 122 mm | 16 | — |
| September | 26°C / 79°F | 19°C / 67°F | 128 mm | 19 | — |
| October | 27°C / 80°F | 21°C / 69°F | 202 mm | 24 | — |
| November | 27°C / 80°F | 21°C / 70°F | 249 mm | 26 | — |
| December | 28°C / 83°F | 23°C / 73°F | 237 mm | 24 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Angra dos Reis in September →
Frequently asked questions
How hot is Angra dos Reis in September?
In September, Angra dos Reis averages a high of 26°C (79°F) and a low of 19°C (67°F) — generally warm.
Does it rain a lot in Angra dos Reis in September?
September is quite rainy in Angra dos Reis, with about 19 rainy days on average.
Is September a good time to visit Angra dos Reis?
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 Angra dos Reis 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 Angra dos Reis for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.