Climate averages 1991–2020
David weather
in September.
A warm, very wet month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in David: daytime highs average 27.9°C and nights cool to about 21.8°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 460 mm of rain on roughly 30 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 San José (247 km away). In September its highs average 24.2°C, 3.7°C cooler than David, with 391 mm of rain.
Among the 6 cities listed in Panama, David ranks joint 5th of 6 for the warmest September highs and 6th of 6 for the driest September (rainfall, lowest first). The mean September high of those 6 cities is 28.3°C; David is 0.4°C cooler than that mean.
From September to October, average highs fall by 0.5°C to 27.4°C, and monthly rainfall rises from 460 mm to 602 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
David climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.0°C21.9°C | 21.9°C | 51 | 12.4 | 11.712 h |
| February | 32.5°C22.7°C | 22.7°C | 32 | 7.5 | 11.912 h |
| March | 33.2°C23.1°C | 23.1°C | 49 | 10.5 | 12.112 h |
| April | 31.9°C23.1°C | 23.1°C | 173 | 22.6 | 12.312 h |
| May | 29.1°C22.6°C | 22.6°C | 450 | 30.1 | 12.513 h |
| June | 28.3°C22.3°C | 22.3°C | 436 | 29.8 | 12.613 h |
| July | 28.3°C22.0°C | 22.0°C | 424 | 30.5 | 12.613 h |
| August | 28.1°C22.0°C | 22.0°C | 453 | 30.9 | 12.412 h |
| September, selected | 27.9°C21.8°C | 21.8°C | 460 | 29.9 | 12.212 h |
| October | 27.4°C21.7°C | 21.7°C | 602 | 30.8 | 11.912 h |
| November | 27.7°C21.5°C | 21.5°C | 520 | 29.5 | 11.712 h |
| December | 29.1°C21.5°C | 21.5°C | 189 | 22.3 | 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
- San José in SeptemberCosta Rica · 247 kmHigh 24.2°C · Low 18.1°C · 391 mm rain
- Colón in SeptemberPanama · 297 kmHigh 28.3°C · Low 24.2°C · 300 mm rain
- Arraiján in SeptemberPanama · 312 kmHigh 27.9°C · Low 23.3°C · 269 mm rain
- Panama City in SeptemberPanama · 326 kmHigh 28.5°C · Low 24.1°C · 257 mm rain
- San Miguelito in SeptemberPanama · 333 kmHigh 29.0°C · Low 23.7°C · 257 mm rain
- Juan Díaz in SeptemberPanama · 336 kmHigh 28.5°C · Low 23.8°C · 257 mm rain
- Granada, Nicaragua in SeptemberNicaragua · 548 kmHigh 29.4°C · Low 24.5°C · 196 mm rain
- Masaya in SeptemberNicaragua · 562 kmHigh 28.9°C · Low 23.3°C · 196 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 David) is explained once on the David year overview and on the Sources, method and limits page.