Monthly climate guide
Angra dos Reis weather in September
With highs near 26°C (79°F) and lows around 17°C (63°F), September feels warm in Angra dos Reis. Rainfall averages about 59 mm (some rain) and the sky is often cloudy. Daytime highs are 2°C warmer than August and about the same as October.
What stands out in September
- Just 50 km apart, but Angra dos Reis runs about 2°C cooler than Paraty this month.
- It's one of the drier stretches of the year in Angra dos Reis.
- Humidity near 74% makes 26°C feel stickier than it sounds.
- Rain is well below Angra dos Reis's usual level (around 49% less).
Avg high
26°C
79°F
Avg low
17°C
63°F
Rainfall
59 mm
some rain
Humidity
74%
relative
Sky
61%
cloud · often cloudy
Angra dos Reis weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 22°C / 71°F | 230 mm | 82% | 67% |
| February | 28°C / 82°F | 22°C / 71°F | 185 mm | 82% | 61% |
| March | 27°C / 80°F | 21°C / 70°F | 189 mm | 85% | 66% |
| April | 25°C / 78°F | 20°C / 67°F | 92 mm | 84% | 55% |
| May | 24°C / 75°F | 17°C / 63°F | 55 mm | 82% | 58% |
| June | 24°C / 74°F | 17°C / 62°F | 51 mm | 81% | 57% |
| July | 23°C / 74°F | 16°C / 60°F | 31 mm | 77% | 50% |
| August | 24°C / 76°F | 16°C / 60°F | 39 mm | 75% | 49% |
| September | 26°C / 79°F | 17°C / 63°F | 59 mm | 74% | 61% |
| October | 27°C / 80°F | 19°C / 65°F | 92 mm | 77% | 70% |
| November | 26°C / 79°F | 19°C / 66°F | 190 mm | 82% | 75% |
| December | 27°C / 81°F | 21°C / 69°F | 176 mm | 82% | 68% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Angra dos Reis?
Compare the months in the chart above to find your ideal window.
Best time to visit Angra dos Reis →Other Brazil cities in September
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Angra dos Reis weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/angra-dos-reis/september
<a href="https://weathercompare.eu/weather/brazil/angra-dos-reis/september">Angra dos Reis weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/angra-dos-reis" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Angra dos Reis weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/angra-dos-reis/september">Angra dos Reis weather in September</a> – WeatherCompare</p>
Angra dos Reis in September: quick answers
Is September a good time to visit Angra dos Reis?
September is a reasonable time for Angra dos Reis: highs around 26°C and about 59 mm of rain, though not one of the three best months.
How warm is Angra dos Reis in September?
Average highs are about 26°C (79°F) and average lows about 17°C (63°F), based on 10 years of daily data.
Does it rain a lot in Angra dos Reis in September?
Angra dos Reis typically gets around 59 mm of rain in September — some rain.
Figures are long-term averages for the area around Angra dos Reis (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.