September · Brazil
Best time to visit Bonito in September Weather, crowds & prices
Weather in Bonito in September
Average temperature 26°C, 72 mm of rain, about 15 days with 6+ hours of sunshine and 58% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.3/10
Ranked #5 of 12 months
- Avg temp
- 26°C
- Rainfall
- 72 mm
- Humidity
- 58%
- Days with 6h+ sun
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Bonito scores 6.3/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 26°C, 72 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Bonito's crystal rivers and sinkholes make it Brazil's freshwater snorkelling capital.
September in Bonito: mixed conditions, plan around the weather
Days in September average 26°C (79°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 72 mm of rain this month — a flexible day or two helps — with about 15 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
That is 6.3/10 on the same scale — 5th of 12 months, versus 8.2/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Expect low-season pricing, and crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
If your dates are flexible, July is materially better in Bonito — 1.9 points higher on the same scale.
Frequently asked
- What is the weather like in Bonito in September?
- In September, Bonito averages 26°C, 72 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 6.3/10.
- Is September a good time to visit Bonito?
- September earns a 6.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bonito in September?
- Expect about 72 mm of rain in September. Average humidity is 58% and there are about 15 days with 6+ hours of sunshine.
Curated in Bonito
Tickets & experiences
Things to do in Bonito
Bonito, Brazil. Live activities and tours from GetYourGuide, matched to this destination.