Climate averages 1991–2020
Santiago del Estero weather
in September.
A warm, fairly dry month: the 7th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Santiago del Estero: daytime highs average 27.0°C and nights cool to about 14.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 28 mm of rain on roughly 4 days, which makes September a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average September day.
The nearest other city in this atlas is Catamarca (167 km away). In September its highs average 24.2°C, 2.8°C cooler than Santiago del Estero, with 32 mm of rain.
Among the 67 cities listed in Argentina, Santiago del Estero ranks 2nd of 67 for the warmest September highs and joint 11th of 67 for the driest September (rainfall, lowest first). The mean September high of those 67 cities is 19.4°C; Santiago del Estero is 7.6°C warmer than that mean.
From September to October, average highs rise by 2.3°C to 29.3°C, and monthly rainfall rises from 28 mm to 60 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
Santiago del Estero climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.4°C22.9°C | 22.9°C | 147 | 12.8 | 13.714 h |
| February | 31.0°C22.2°C | 22.2°C | 116 | 10.6 | 13.113 h |
| March | 28.9°C20.7°C | 20.7°C | 124 | 11.3 | 12.312 h |
| April | 25.4°C17.6°C | 17.6°C | 68 | 8.2 | 11.411 h |
| May | 22.4°C14.3°C | 14.3°C | 22 | 4.6 | 10.811 h |
| June | 20.2°C11.4°C | 11.4°C | 15 | 3.7 | 10.410 h |
| July | 20.4°C10.0°C | 10.0°C | 11 | 2.5 | 10.611 h |
| August | 24.3°C12.3°C | 12.3°C | 11 | 2.0 | 11.111 h |
| September, selected | 27.0°C14.9°C | 14.9°C | 28 | 3.8 | 11.912 h |
| October | 29.3°C18.2°C | 18.2°C | 60 | 7.3 | 12.713 h |
| November | 30.9°C20.3°C | 20.3°C | 86 | 9.3 | 13.513 h |
| December | 32.2°C22.3°C | 22.3°C | 130 | 11.7 | 13.914 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
- Catamarca in SeptemberArgentina · 167 kmHigh 24.2°C · Low 12.3°C · 32 mm rain
- Presidencia Roque Sáenz Peña in SeptemberArgentina · 394 kmHigh 26.1°C · Low 14.8°C · 64 mm rain
- Córdoba in SeptemberArgentina · 401 kmHigh 21.3°C · Low 9.2°C · 37 mm rain
- Rafaela in SeptemberArgentina · 468 kmHigh 21.8°C · Low 11.0°C · 57 mm rain
- Reconquista in SeptemberArgentina · 475 kmHigh 23.0°C · Low 13.2°C · 93 mm rain
- Goya in SeptemberArgentina · 511 kmHigh 22.9°C · Low 13.5°C · 94 mm rain
- San Ramón de la Nueva Orán in SeptemberArgentina · 519 kmHigh 28.0°C · Low 15.2°C · 16 mm rain
- Resistencia in SeptemberArgentina · 521 kmHigh 24.5°C · Low 14.6°C · 106 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 Santiago del Estero) is explained once on the Santiago del Estero year overview and on the Sources, method and limits page.