Monthly climate guide
Bonito weather in September
Expect very hot weather in Bonito in September: afternoons reach about 35°C (95°F), while nights drop to around 19°C (66°F). Around 65 mm of rain falls over the month (some rain), and skies are 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
- September is Bonito's second warmest month.
- Bonito is usually about 2°C warmer than Campo Grande, 210 km away, in September.
- Expect a big gap between day and night — about 16°C.
- It's one of the sunniest months here, with cloud cover around 44%.
Avg high
35°C
95°F
Avg low
19°C
66°F
Rainfall
65 mm
some rain
Humidity
51%
relative
Sky
44%
cloud · a mix of sun and cloud
Bonito weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 34°C / 92°F | 23°C / 73°F | 134 mm | 70% | 67% |
| February | 33°C / 91°F | 23°C / 73°F | 132 mm | 73% | 66% |
| March | 33°C / 91°F | 22°C / 71°F | 101 mm | 71% | 53% |
| April | 31°C / 88°F | 20°C / 67°F | 107 mm | 72% | 48% |
| May | 28°C / 83°F | 16°C / 62°F | 96 mm | 75% | 52% |
| June | 27°C / 81°F | 15°C / 59°F | 56 mm | 74% | 51% |
| July | 28°C / 83°F | 14°C / 57°F | 27 mm | 64% | 44% |
| August | 32°C / 89°F | 16°C / 61°F | 30 mm | 53% | 39% |
| September | 35°C / 95°F | 19°C / 66°F | 65 mm | 51% | 44% |
| October | 35°C / 95°F | 22°C / 71°F | 106 mm | 59% | 56% |
| November | 35°C / 94°F | 22°C / 72°F | 108 mm | 63% | 58% |
| December | 34°C / 93°F | 23°C / 74°F | 126 mm | 67% | 65% |
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
Is September a good time to visit Bonito?
Compare the months in the chart above to find your ideal window.
Best time to visit Bonito →Other Brazil cities in September
Cite or embed this data
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Bonito weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/bonito/september
<a href="https://weathercompare.eu/weather/brazil/bonito/september">Bonito weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/bonito" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Bonito weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/bonito/september">Bonito weather in September</a> – WeatherCompare</p>
Bonito in September: quick answers
Is September a good time to visit Bonito?
It can be, if you like heat: September highs in Bonito are around 35°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Bonito in September?
Average highs are about 35°C (95°F) and average lows about 19°C (66°F), based on 10 years of daily data.
Does it rain a lot in Bonito in September?
Bonito typically gets around 65 mm of rain in September — some rain.
Figures are long-term averages for the area around Bonito (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.