Monthly climate guide
Campos dos Goytacazes weather in September
With highs near 27°C (81°F) and lows around 20°C (69°F), September feels hot in Campos dos Goytacazes. Rainfall averages about 46 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are about the same as August and about the same as October.
What stands out in September
- It's one of the drier months, with about 46% less rain than Campos dos Goytacazes's average.
- Campos dos Goytacazes is usually about 4°C warmer than Cabo Frio, 150 km away, in September.
- September sits in Campos dos Goytacazes's drier season — usually a comfortable time to visit.
- It's humid — around 75% — so the heat feels heavier.
Avg high
27°C
81°F
Avg low
20°C
69°F
Rainfall
46 mm
fairly dry
Humidity
75%
relative
Sky
50%
cloud · a mix of sun and cloud
Campos dos Goytacazes weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 30°C / 85°F | 24°C / 75°F | 128 mm | 81% | 56% |
| February | 30°C / 86°F | 24°C / 75°F | 92 mm | 80% | 57% |
| March | 29°C / 84°F | 24°C / 75°F | 142 mm | 81% | 66% |
| April | 28°C / 83°F | 23°C / 73°F | 57 mm | 78% | 59% |
| May | 27°C / 80°F | 21°C / 70°F | 65 mm | 78% | 56% |
| June | 26°C / 79°F | 20°C / 68°F | 35 mm | 80% | 51% |
| July | 26°C / 78°F | 19°C / 67°F | 24 mm | 77% | 45% |
| August | 26°C / 79°F | 19°C / 67°F | 33 mm | 76% | 46% |
| September | 27°C / 81°F | 20°C / 69°F | 46 mm | 75% | 50% |
| October | 28°C / 82°F | 22°C / 71°F | 74 mm | 76% | 67% |
| November | 28°C / 82°F | 22°C / 72°F | 179 mm | 80% | 77% |
| December | 29°C / 84°F | 23°C / 74°F | 148 mm | 82% | 65% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A small travel umbrella, just in case
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Campos dos Goytacazes?
Compare the months in the chart above to find your ideal window.
Best time to visit Campos dos Goytacazes →Other Brazil cities in September
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Campos dos Goytacazes weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/campos-dos-goytacazes/september
<a href="https://weathercompare.eu/weather/brazil/campos-dos-goytacazes/september">Campos dos Goytacazes weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/campos-dos-goytacazes" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Campos dos Goytacazes weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/campos-dos-goytacazes/september">Campos dos Goytacazes weather in September</a> – WeatherCompare</p>
Campos dos Goytacazes in September: quick answers
Is September a good time to visit Campos dos Goytacazes?
Yes. September is one of the best months for Campos dos Goytacazes, with highs around 27°C and about 46 mm of rain.
How warm is Campos dos Goytacazes in September?
Average highs are about 27°C (81°F) and average lows about 20°C (69°F), based on 10 years of daily data.
Does it rain a lot in Campos dos Goytacazes in September?
Campos dos Goytacazes typically gets around 46 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Campos dos Goytacazes (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.