Climate averages 1991–2020
Barrancabermeja weather
in September.
A hot, very wet month: the joint 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Barrancabermeja: daytime highs average 29.9°C and nights cool to about 23.3°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 393 mm of rain on roughly 27 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Aguachica (141 km away). In September its highs average 28.8°C, 1.0°C cooler than Barrancabermeja, with 348 mm of rain.
Among the 46 cities listed in Colombia, Barrancabermeja ranks joint 8th of 46 for the warmest September highs and 44th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 26.4°C; Barrancabermeja is 3.4°C warmer than that mean.
From September to October, average highs fall by 0.6°C to 29.3°C, and monthly rainfall rises from 393 mm to 406 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
Barrancabermeja climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.9°C23.3°C | 23.3°C | 115 | 16.6 | 11.812 h |
| February | 31.1°C23.7°C | 23.7°C | 138 | 15.2 | 11.912 h |
| March | 31.0°C23.7°C | 23.7°C | 260 | 23.4 | 12.112 h |
| April | 30.2°C23.5°C | 23.5°C | 357 | 26.9 | 12.312 h |
| May | 29.9°C23.6°C | 23.6°C | 390 | 28.7 | 12.412 h |
| June | 30.0°C23.6°C | 23.6°C | 341 | 26.5 | 12.513 h |
| July | 30.2°C23.5°C | 23.5°C | 304 | 24.9 | 12.512 h |
| August | 30.4°C23.6°C | 23.6°C | 329 | 25.0 | 12.312 h |
| September, selected | 29.9°C23.3°C | 23.3°C | 393 | 27.0 | 12.212 h |
| October | 29.3°C23.0°C | 23.0°C | 406 | 29.3 | 12.012 h |
| November | 28.7°C22.8°C | 22.8°C | 394 | 28.7 | 11.812 h |
| December | 29.1°C23.0°C | 23.0°C | 245 | 23.7 | 11.712 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
- Aguachica in SeptemberColombia · 141 kmHigh 28.8°C · Low 22.8°C · 348 mm rain
- Ocaña in SeptemberColombia · 141 kmHigh 24.0°C · Low 17.4°C · 253 mm rain
- Duitama in SeptemberColombia · 165 kmHigh 19.8°C · Low 9.8°C · 68 mm rain
- Cúcuta in SeptemberColombia · 176 kmHigh 32.4°C · Low 22.5°C · 59 mm rain
- Rubio in SeptemberVenezuela · 180 kmHigh 27.7°C · Low 18.8°C · 46 mm rain
- Sogamoso in SeptemberColombia · 181 kmHigh 19.9°C · Low 10.8°C · 68 mm rain
- Rionegro in SeptemberColombia · 196 kmHigh 22.3°C · Low 13.0°C · 176 mm rain
- Táriba in SeptemberVenezuela · 199 kmHigh 28.1°C · Low 19.6°C · 46 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 Barrancabermeja) is explained once on the Barrancabermeja year overview and on the Sources, method and limits page.