Monthly climate guide
Ribeirão Preto weather in September
With highs near 33°C (92°F) and lows around 18°C (64°F), September feels very hot in Ribeirão Preto. Rainfall averages about 48 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 3°C warmer than August and about the same as October.
What stands out in September
- Just 170 km apart, but Ribeirão Preto runs about 2°C warmer than Piracicaba this month.
- Rain is well below Ribeirão Preto's usual level (around 52% less).
- It's one of the drier stretches of the year in Ribeirão Preto.
- Expect a big gap between day and night — about 16°C.
September is typically Ribeirão Preto's warmest month.
Avg high
33°C
92°F
Avg low
18°C
64°F
Rainfall
48 mm
fairly dry
Humidity
46%
relative
Sky
38%
cloud · a mix of sun and cloud
Ribeirão Preto weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 83°F | 20°C / 68°F | 215 mm | 80% | 72% |
| February | 29°C / 83°F | 20°C / 67°F | 168 mm | 80% | 69% |
| March | 28°C / 82°F | 19°C / 67°F | 160 mm | 82% | 62% |
| April | 28°C / 82°F | 18°C / 64°F | 64 mm | 78% | 44% |
| May | 27°C / 80°F | 15°C / 58°F | 43 mm | 73% | 44% |
| June | 27°C / 80°F | 14°C / 57°F | 30 mm | 70% | 39% |
| July | 28°C / 82°F | 13°C / 56°F | 12 mm | 59% | 30% |
| August | 30°C / 87°F | 15°C / 59°F | 16 mm | 51% | 30% |
| September | 33°C / 92°F | 18°C / 64°F | 48 mm | 46% | 38% |
| October | 33°C / 91°F | 19°C / 67°F | 101 mm | 60% | 60% |
| November | 30°C / 86°F | 19°C / 66°F | 170 mm | 73% | 66% |
| December | 29°C / 84°F | 20°C / 68°F | 170 mm | 79% | 72% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
- Sunglasses
Is September a good time to visit Ribeirão Preto?
Compare the months in the chart above to find your ideal window.
Best time to visit Ribeirão Preto →Other Brazil cities in September
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Ribeirão Preto weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/ribeirao-preto/september
<a href="https://weathercompare.eu/weather/brazil/ribeirao-preto/september">Ribeirão Preto weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/ribeirao-preto" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Ribeirão Preto weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/ribeirao-preto/september">Ribeirão Preto weather in September</a> – WeatherCompare</p>
Ribeirão Preto in September: quick answers
Is September a good time to visit Ribeirão Preto?
It can be, if you like heat: September highs in Ribeirão Preto are around 33°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Ribeirão Preto in September?
Average highs are about 33°C (92°F) and average lows about 18°C (64°F), based on 10 years of daily data.
Does it rain a lot in Ribeirão Preto in September?
Ribeirão Preto typically gets around 48 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Ribeirão Preto (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.