Climate averages 1991–2020
Popayán weather
in September.
A warm, wet month: the warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Popayán: daytime highs average 23.2°C and nights cool to about 14.1°C. By daytime temperature it is the warmest month of the year.
Expect about 145 mm of rain on roughly 18 days, which makes September a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average September day.
The nearest other city in this atlas is Pitalito (90 km away). In September its highs average 22.7°C, about as warm as Popayán, with 200 mm of rain.
Among the 46 cities listed in Colombia, Popayán ranks joint 34th of 46 for the warmest September highs and 17th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 26.4°C; Popayán is 3.3°C cooler than that mean.
From September to October, average highs fall by 1.0°C to 22.2°C, and monthly rainfall rises from 145 mm to 268 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
Popayán climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.0°C14.5°C | 14.5°C | 233 | 21.9 | 12.012 h |
| February | 22.4°C14.7°C | 14.7°C | 233 | 21.5 | 12.012 h |
| March | 22.3°C14.8°C | 14.8°C | 299 | 25.4 | 12.112 h |
| April | 22.3°C14.8°C | 14.8°C | 289 | 24.2 | 12.212 h |
| May | 22.3°C14.7°C | 14.7°C | 197 | 21.7 | 12.212 h |
| June | 22.3°C14.2°C | 14.2°C | 93 | 13.9 | 12.312 h |
| July | 22.4°C13.9°C | 13.9°C | 64 | 10.0 | 12.212 h |
| August | 23.0°C13.8°C | 13.8°C | 64 | 9.9 | 12.212 h |
| September, selected | 23.2°C14.1°C | 14.1°C | 145 | 18.0 | 12.112 h |
| October | 22.2°C14.5°C | 14.5°C | 268 | 26.4 | 12.112 h |
| November | 21.4°C14.7°C | 14.7°C | 331 | 28.0 | 12.012 h |
| December | 21.6°C14.6°C | 14.6°C | 292 | 25.3 | 12.012 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
- Pitalito in SeptemberColombia · 90 kmHigh 22.7°C · Low 13.4°C · 200 mm rain
- Cali in SeptemberColombia · 111 kmHigh 26.2°C · Low 18.7°C · 207 mm rain
- Yumbo in SeptemberColombia · 128 kmHigh 24.8°C · Low 18.1°C · 207 mm rain
- Florencia in SeptemberColombia · 145 kmHigh 27.2°C · Low 18.0°C · 108 mm rain
- Pasto in SeptemberColombia · 155 kmHigh 18.9°C · Low 10.3°C · 99 mm rain
- Neiva in SeptemberColombia · 158 kmHigh 31.6°C · Low 21.6°C · 63 mm rain
- Ipiales in SeptemberColombia · 213 kmHigh 15.7°C · Low 8.2°C · 109 mm rain
- Tulcán in SeptemberEcuador · 218 kmHigh 16.5°C · Low 8.7°C · 109 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 Popayán) is explained once on the Popayán year overview and on the Sources, method and limits page.