Climate averages 1991–2020
Catamarca weather
in September.
A warm, fairly dry month: the 7th warmest and the 4th 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 Catamarca: daytime highs average 24.2°C and nights cool to about 12.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 32 mm of rain on roughly 5 days, which makes September a fairly dry month (the 4th 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 Santiago del Estero (167 km away). In September its highs average 27.0°C, 2.8°C warmer than Catamarca, with 28 mm of rain.
Among the 67 cities listed in Argentina, Catamarca ranks 7th of 67 for the warmest September highs and 15th of 67 for the driest September (rainfall, lowest first). The mean September high of those 67 cities is 19.4°C; Catamarca is 4.8°C warmer than that mean.
From September to October, average highs rise by 2.4°C to 26.6°C, and monthly rainfall rises from 32 mm to 65 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
Catamarca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C20.9°C | 20.9°C | 167 | 16.7 | 13.714 h |
| February | 28.0°C19.9°C | 19.9°C | 118 | 13.8 | 13.113 h |
| March | 26.0°C17.9°C | 17.9°C | 109 | 13.1 | 12.312 h |
| April | 22.7°C13.8°C | 13.8°C | 65 | 9.7 | 11.411 h |
| May | 19.4°C9.6°C | 9.6°C | 37 | 6.9 | 10.711 h |
| June | 17.6°C6.3°C | 6.3°C | 20 | 4.1 | 10.410 h |
| July | 17.4°C5.5°C | 5.5°C | 15 | 3.3 | 10.511 h |
| August | 21.3°C8.7°C | 8.7°C | 17 | 3.3 | 11.111 h |
| September, selected | 24.2°C12.3°C | 12.3°C | 32 | 5.4 | 11.912 h |
| October | 26.6°C15.9°C | 15.9°C | 65 | 10.0 | 12.813 h |
| November | 28.0°C18.3°C | 18.3°C | 98 | 12.8 | 13.514 h |
| December | 29.3°C20.3°C | 20.3°C | 129 | 15.4 | 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
- Santiago del Estero in SeptemberArgentina · 167 kmHigh 27.0°C · Low 14.9°C · 28 mm rain
- Córdoba in SeptemberArgentina · 361 kmHigh 21.3°C · Low 9.2°C · 37 mm rain
- San Juan, Argentina in SeptemberArgentina · 431 kmHigh 21.8°C · Low 8.0°C · 17 mm rain
- Rawson in SeptemberArgentina · 436 kmHigh 21.5°C · Low 7.3°C · 17 mm rain
- Copiapó in SeptemberChile · 463 kmHigh 25.2°C · Low 13.3°C · 1.8 mm rain
- Villa María in SeptemberArgentina · 501 kmHigh 21.0°C · Low 10.4°C · 42 mm rain
- Rafaela in SeptemberArgentina · 517 kmHigh 21.8°C · Low 11.0°C · 57 mm rain
- Río Cuarto in SeptemberArgentina · 536 kmHigh 20.3°C · Low 9.3°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 Catamarca) is explained once on the Catamarca year overview and on the Sources, method and limits page.