Climate averages 1991–2020
Zárate weather
in September.
A mild, moderately wet month: the 8th 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 mild month in Zárate: daytime highs average 19.0°C and nights cool to about 9.2°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 75 mm of rain on roughly 7 days, which makes September a moderately wet month (the 5th 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 Campana (10 km away). In September its highs average 19.0°C, about as warm as Zárate, with 74 mm of rain.
Among the 67 cities listed in Argentina, Zárate ranks joint 32nd of 67 for the warmest September highs and 56th of 67 for the driest September (rainfall, lowest first). The mean September high of those 67 cities is 19.4°C; Zárate is 0.4°C cooler than that mean.
From September to October, average highs rise by 2.8°C to 21.8°C, and monthly rainfall rises from 75 mm to 131 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
Zárate climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C19.2°C | 19.2°C | 95 | 7.7 | 14.114 h |
| February | 27.8°C18.4°C | 18.4°C | 110 | 8.7 | 13.313 h |
| March | 25.9°C16.6°C | 16.6°C | 108 | 7.5 | 12.312 h |
| April | 22.0°C13.1°C | 13.1°C | 103 | 8.0 | 11.311 h |
| May | 18.2°C10.1°C | 10.1°C | 70 | 5.8 | 10.410 h |
| June | 15.4°C7.2°C | 7.2°C | 56 | 6.2 | 9.910 h |
| July | 14.6°C6.1°C | 6.1°C | 59 | 5.9 | 10.110 h |
| August | 17.2°C7.5°C | 7.5°C | 69 | 6.0 | 10.911 h |
| September, selected | 19.0°C9.2°C | 9.2°C | 75 | 6.5 | 11.912 h |
| October | 21.8°C12.1°C | 12.1°C | 131 | 9.3 | 12.913 h |
| November | 25.1°C14.7°C | 14.7°C | 103 | 7.7 | 13.914 h |
| December | 28.0°C17.4°C | 17.4°C | 104 | 8.7 | 14.414 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
- Campana in SeptemberArgentina · 10 kmHigh 19.0°C · Low 9.0°C · 74 mm rain
- Pilar in SeptemberArgentina · 42 kmHigh 18.6°C · Low 8.9°C · 71 mm rain
- José C. Paz in SeptemberArgentina · 52 kmHigh 18.4°C · Low 9.1°C · 72 mm rain
- Luján in SeptemberArgentina · 53 kmHigh 18.8°C · Low 8.8°C · 71 mm rain
- Don Torcuato in SeptemberArgentina · 57 kmHigh 18.0°C · Low 9.8°C · 72 mm rain
- San Miguel, Argentina in SeptemberArgentina · 57 kmHigh 18.2°C · Low 9.3°C · 72 mm rain
- Bella Vista in SeptemberArgentina · 61 kmHigh 18.4°C · Low 9.2°C · 72 mm rain
- Moreno in SeptemberArgentina · 64 kmHigh 18.5°C · Low 9.0°C · 71 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 Zárate) is explained once on the Zárate year overview and on the Sources, method and limits page.