Climate averages 1991–2020
Yacuiba weather
in September.
A warm, fairly dry month: the 6th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Yacuiba: daytime highs average 27.8°C and nights cool to about 15.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 24 mm of rain on roughly 5 days, which makes September a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average September day.
The nearest other city in this atlas is Tarija (121 km away). In September its highs average 22.0°C, 5.8°C cooler than Yacuiba, with 34 mm of rain.
Among the 14 cities listed in Bolivia, Yacuiba ranks 5th of 14 for the warmest September highs and 4th of 14 for the driest September (rainfall, lowest first). The mean September high of those 14 cities is 22.6°C; Yacuiba is 5.2°C warmer than that mean.
From September to October, average highs rise by 1.6°C to 29.4°C, and monthly rainfall rises from 24 mm to 86 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Yacuiba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C20.8°C | 20.8°C | 239 | 18.2 | 13.313 h |
| February | 28.4°C20.3°C | 20.3°C | 226 | 16.1 | 12.813 h |
| March | 27.3°C19.6°C | 19.6°C | 185 | 15.7 | 12.212 h |
| April | 25.0°C17.4°C | 17.4°C | 86 | 11.3 | 11.612 h |
| May | 22.2°C14.3°C | 14.3°C | 40 | 7.8 | 11.111 h |
| June | 21.2°C12.2°C | 12.2°C | 18 | 4.8 | 10.811 h |
| July | 21.5°C10.9°C | 10.9°C | 14 | 3.7 | 10.911 h |
| August | 25.2°C13.0°C | 13.0°C | 10 | 2.7 | 11.411 h |
| September, selected | 27.8°C15.7°C | 15.7°C | 24 | 4.7 | 12.012 h |
| October | 29.4°C18.4°C | 18.4°C | 86 | 10.8 | 12.613 h |
| November | 29.4°C19.4°C | 19.4°C | 149 | 13.2 | 13.113 h |
| December | 29.8°C20.5°C | 20.5°C | 215 | 16.7 | 13.413 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Tarija in SeptemberBolivia · 121 kmHigh 22.0°C · Low 8.5°C · 34 mm rain
- San Ramón de la Nueva Orán in SeptemberArgentina · 141 kmHigh 28.0°C · Low 15.2°C · 16 mm rain
- Potosí in SeptemberBolivia · 346 kmHigh 15.7°C · Low 0.1°C · 26 mm rain
- Sucre in SeptemberBolivia · 371 kmHigh 20.1°C · Low 7.6°C · 43 mm rain
- Santa Cruz de la Sierra in SeptemberBolivia · 473 kmHigh 28.9°C · Low 19.6°C · 65 mm rain
- Montero in SeptemberBolivia · 522 kmHigh 29.1°C · Low 20.0°C · 96 mm rain
- Calama in SeptemberChile · 542 kmHigh 23.3°C · Low 3.3°C · 0.6 mm rain
- Sacaba in SeptemberBolivia · 570 kmHigh 20.0°C · Low 9.1°C · 59 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Yacuiba) is explained once on the Yacuiba year overview and on the Sources, method and limits page.