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Riberalta Weather in September
September in Riberalta brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 91 mm (3.6 in), so keep a rain jacket handy.
Rainfall in Riberalta in September
Expect around 6 days of rain based on historical data, with 91 mm (3.6 in) average. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Riberalta in September
September in Riberalta brings typical temperatures with highs around 33°C (91°F) and lows of 23°C (73°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Riberalta.
Riberalta Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
33°C (91°F)
Chance of Rain
19%
Precipitation
91 mm (3.6 in)
Rainy days
6 days
Humidity
68%
Riberalta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riberalta - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Riberalta typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Riberalta in September
Browse day-by-day weather records for Riberalta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Riberalta historical weather extremes in September
Based on 21 years of weather observations (2004-2025), these are the most extreme conditions recorded in Riberalta.
- The hottest September day on record in Riberalta reached 39°C (102°F) (September 23, 2005).
- The lowest daytime temperature in September was 19°C (66°F), recorded on September 4, 2016.
- Riberalta registered its coldest September night on September 14, 2005, with temperatures dropping to 12°C (54°F).
Best Places in Bolivia in September
Find out more about the weather in Bolivia and which places have the best travel conditions in this month. See all of Bolivia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Riberalta in September
Pack for serious heat in Riberalta in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Expect heavy rainfall, so bring good rain protection and waterproof bags.
What To Do in Riberalta in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Riberalta 3-Day Forecast
More climate data for Riberalta
See the full Riberalta climate overview or explore weather in Bolivia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Santa Cruz de la Sierra
31°C (88°F) Sucre23°C (73°F) Tarija21°C (70°F) Cochabamba19°C (66°F) Potosí18°C (64°F) Uyuni17°C (63°F) La Paz
15°C (59°F) Copacabana14°C (57°F) Bucket list
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