Climate averages 1991–2020
Peñaflor weather
in September.
A mild, moderately wet month: the 9th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Peñaflor: daytime highs average 19.0°C and nights cool to about 6.2°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 41 mm of rain on roughly 5 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average September day.
The nearest other city in this atlas is Maipú (15 km away). In September its highs average 18.4°C, 0.6°C cooler than Peñaflor, with 55 mm of rain.
Among the 40 cities listed in Chile, Peñaflor ranks joint 9th of 40 for the warmest September highs and 15th of 40 for the driest September (rainfall, lowest first). The mean September high of those 40 cities is 17.2°C; Peñaflor is 1.8°C warmer than that mean.
From September to October, average highs rise by 2.7°C to 21.7°C, and monthly rainfall falls from 41 mm to 25 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
Peñaflor climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C15.7°C | 15.7°C | 2.6 | 0.6 | 14.114 h |
| February | 28.9°C15.4°C | 15.4°C | 4.5 | 0.7 | 13.313 h |
| March | 27.5°C14.1°C | 14.1°C | 10 | 1.2 | 12.312 h |
| April | 23.4°C10.4°C | 10.4°C | 33 | 3.4 | 11.311 h |
| May | 19.4°C6.8°C | 6.8°C | 69 | 5.8 | 10.410 h |
| June | 16.0°C3.9°C | 3.9°C | 130 | 7.7 | 10.010 h |
| July | 15.4°C3.0°C | 3.0°C | 87 | 6.2 | 10.110 h |
| August | 17.0°C4.1°C | 4.1°C | 71 | 6.3 | 10.911 h |
| September, selected | 19.0°C6.2°C | 6.2°C | 41 | 4.7 | 11.912 h |
| October | 21.7°C8.9°C | 8.9°C | 25 | 3.2 | 12.913 h |
| November | 25.3°C11.6°C | 11.6°C | 9.3 | 1.7 | 13.814 h |
| December | 28.0°C14.0°C | 14.0°C | 4.8 | 0.6 | 14.314 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
- Maipú in SeptemberChile · 15 kmHigh 18.4°C · Low 5.9°C · 55 mm rain
- San Bernardo in SeptemberChile · 16 kmHigh 18.4°C · Low 4.8°C · 55 mm rain
- Paine in SeptemberChile · 26 kmHigh 19.0°C · Low 5.8°C · 57 mm rain
- Santiago in SeptemberChile · 27 kmHigh 17.6°C · Low 5.0°C · 55 mm rain
- Puente Alto in SeptemberChile · 28 kmHigh 17.2°C · Low 3.8°C · 72 mm rain
- Quilicura in SeptemberChile · 30 kmHigh 18.0°C · Low 6.4°C · 77 mm rain
- Peñalolén in SeptemberChile · 35 kmHigh 16.3°C · Low 4.9°C · 72 mm rain
- Lampa in SeptemberChile · 36 kmHigh 19.5°C · Low 8.1°C · 39 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 Peñaflor) is explained once on the Peñaflor year overview and on the Sources, method and limits page.