Climate averages 1991–2020
Sincelejo weather
in September.
A hot, very wet month: the 10th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sincelejo: daytime highs average 28.8°C and nights cool to about 22.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 250 mm of rain on roughly 29 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Cereté (64 km away). In September its highs average 29.9°C, 1.1°C warmer than Sincelejo, with 233 mm of rain.
Among the 46 cities listed in Colombia, Sincelejo ranks joint 18th of 46 for the warmest September highs and 38th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 26.4°C; Sincelejo is 2.4°C warmer than that mean.
From September to October, average highs fall by 0.4°C to 28.4°C, and monthly rainfall falls from 250 mm to 249 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
Sincelejo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.8°C22.3°C | 22.3°C | 30 | 7.9 | 11.612 h |
| February | 32.5°C23.2°C | 23.2°C | 34 | 7.9 | 11.812 h |
| March | 32.0°C23.6°C | 23.6°C | 74 | 15.0 | 12.112 h |
| April | 30.2°C23.3°C | 23.3°C | 180 | 25.2 | 12.312 h |
| May | 29.1°C23.1°C | 23.1°C | 292 | 29.4 | 12.513 h |
| June | 29.3°C23.0°C | 23.0°C | 267 | 28.1 | 12.713 h |
| July | 29.4°C22.8°C | 22.8°C | 244 | 27.5 | 12.613 h |
| August | 29.2°C22.9°C | 22.9°C | 252 | 28.3 | 12.412 h |
| September, selected | 28.8°C22.7°C | 22.7°C | 250 | 29.2 | 12.212 h |
| October | 28.4°C22.4°C | 22.4°C | 249 | 29.6 | 11.912 h |
| November | 28.3°C22.3°C | 22.3°C | 189 | 27.3 | 11.712 h |
| December | 29.1°C22.2°C | 22.2°C | 92 | 18.6 | 11.612 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
- Cereté in SeptemberColombia · 64 kmHigh 29.9°C · Low 23.5°C · 233 mm rain
- Magangué in SeptemberColombia · 70 kmHigh 29.9°C · Low 24.6°C · 249 mm rain
- Montería in SeptemberColombia · 82 kmHigh 30.1°C · Low 23.4°C · 243 mm rain
- Cartagena in SeptemberColombia · 122 kmHigh 29.5°C · Low 24.8°C · 210 mm rain
- Montelíbano in SeptemberColombia · 147 kmHigh 29.8°C · Low 23.4°C · 182 mm rain
- Sabanalarga in SeptemberColombia · 156 kmHigh 30.0°C · Low 24.3°C · 251 mm rain
- Soledad in SeptemberColombia · 192 kmHigh 29.7°C · Low 25.5°C · 228 mm rain
- Barranquilla in SeptemberColombia · 197 kmHigh 29.3°C · Low 25.8°C · 228 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 Sincelejo) is explained once on the Sincelejo year overview and on the Sources, method and limits page.