September · Brazil
Best time to visit Alter do Chão in SeptemberWeather, crowds & prices
September score
9.9/10
Ranked #1 of 12 months
- Avg temp
- 32°C
- Rainfall
- 18 mm
- Humidity
- 60%
- Sunny days
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Alter do Chão scores 9.9/10 for beach and coastal travel - the single best month of the year. Expect around 32°C, 18 mm of rain, and roughly 28 sunny days this month.
The 'Caribbean of the Amazon'—white-sand river islands and clear Tapajós water—peaks in the low-water months from August through December.
Frequently asked
- What is the weather like in Alter do Chão in September?
- In September, Alter do Chão averages 32°C, 18 mm of rain, and about 28 sunny days. Its climate-comfort score is 9.9/10.
- Is September a good time to visit Alter do Chão?
- September earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Alter do Chão in September?
- Expect about 18 mm of rain in September. Average humidity is 60% and there are about 28 sunny days.
Curated in Alter do Chão
Tickets & experiences
Things to do in Alter do Chão
Alter do Chão, Brazil. Live activities and tours from GetYourGuide, matched to this destination.