Climate averages 1991–2020
Paysandú weather
in September.
A mild, 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 Paysandú: daytime highs average 20.0°C and nights cool to about 10.1°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 96 mm of rain on roughly 8 days, which makes September a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 52 min on an average September day.
The nearest other city in this atlas is Gualeguaychú (87 km away). In September its highs average 19.7°C, about as warm as Paysandú, with 87 mm of rain.
Among the 4 cities listed in Uruguay, Paysandú ranks joint 1st of 4 for the warmest September highs and 3rd of 4 for the driest September (rainfall, lowest first). The mean September high of those 4 cities is 17.7°C; Paysandú is 2.3°C warmer than that mean.
From September to October, average highs rise by 2.9°C to 22.9°C, and monthly rainfall rises from 96 mm to 125 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
Paysandú climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C19.9°C | 19.9°C | 104 | 8.5 | 14.014 h |
| February | 28.7°C19.2°C | 19.2°C | 115 | 8.1 | 13.313 h |
| March | 26.8°C17.4°C | 17.4°C | 122 | 8.1 | 12.312 h |
| April | 23.1°C14.1°C | 14.1°C | 140 | 8.5 | 11.311 h |
| May | 19.2°C11.1°C | 11.1°C | 90 | 7.2 | 10.510 h |
| June | 16.6°C8.4°C | 8.4°C | 85 | 7.1 | 10.110 h |
| July | 15.8°C7.3°C | 7.3°C | 72 | 6.6 | 10.210 h |
| August | 18.4°C8.6°C | 8.6°C | 89 | 6.8 | 10.911 h |
| September, selected | 20.0°C10.1°C | 10.1°C | 96 | 7.6 | 11.912 h |
| October | 22.9°C13.0°C | 13.0°C | 125 | 9.2 | 12.913 h |
| November | 26.1°C15.4°C | 15.4°C | 107 | 7.5 | 13.714 h |
| December | 28.8°C18.0°C | 18.0°C | 118 | 7.7 | 14.214 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
- Gualeguaychú in SeptemberArgentina · 87 kmHigh 19.7°C · Low 10.1°C · 87 mm rain
- Concordia in SeptemberArgentina · 103 kmHigh 20.8°C · Low 11.3°C · 91 mm rain
- Zárate in SeptemberArgentina · 216 kmHigh 19.0°C · Low 9.2°C · 75 mm rain
- Campana in SeptemberArgentina · 221 kmHigh 19.0°C · Low 9.0°C · 74 mm rain
- San Nicolás de los Arroyos in SeptemberArgentina · 229 kmHigh 20.0°C · Low 10.4°C · 67 mm rain
- Paraná in SeptemberArgentina · 240 kmHigh 20.8°C · Low 11.1°C · 63 mm rain
- Don Torcuato in SeptemberArgentina · 247 kmHigh 18.0°C · Low 9.8°C · 72 mm rain
- Rosario in SeptemberArgentina · 250 kmHigh 20.4°C · Low 10.1°C · 61 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 Paysandú) is explained once on the Paysandú year overview and on the Sources, method and limits page.