September · Bolivia
Best time to visit Riberalta in September Weather, crowds & prices
Weather in Riberalta in September
Average temperature 31°C, 58 mm of rain, about 16 days with 6+ hours of sunshine and 49% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.7/10
Ranked #5 of 12 months
- Avg temp
- 31°C
- Rainfall
- 58 mm
- Humidity
- 49%
- Days with 6h+ sun
- 16
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Riberalta scores 5.7/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 31°C, 58 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.
Riberalta sits at Amazon river junctions in northern Bolivia-brazil-nut trade and remote rainforest access. Best window: the drier months outside peak monsoon.
September in Riberalta: mixed conditions, plan around the weather
September averages 31°C (88°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 58 mm, so plan one flexible day in three; you still get about 16 days with 6+ hours of sunshine and 11.9 hours of daylight.
It scores 5.7/10 here, 5th of 12 months, against 7.1/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Riberalta in September?
- In September, Riberalta averages 31°C, 58 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 5.7/10.
- Is September a good time to visit Riberalta?
- September earns a 5.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Riberalta in September?
- Expect about 58 mm of rain in September. Average humidity is 49% and there are about 16 days with 6+ hours of sunshine.
Curated in Riberalta
Tickets & experiences
Things to do in Riberalta
Riberalta, Bolivia. Live activities and tours from GetYourGuide, matched to this destination.