Climate averages 1991–2020
Ijuí weather
in September.
A warm, wet month: the 8th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Ijuí: daytime highs average 22.5°C and nights cool to about 12.8°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 157 mm of rain on roughly 10 days, which makes September a wet month (the joint 6th 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 Santo Ângelo (35 km away). In September its highs average 22.8°C, about as warm as Ijuí, with 159 mm of rain.
Among the 448 cities listed in Brazil, Ijuí ranks joint 388th of 448 for the warmest September highs and joint 425th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Ijuí is 5.1°C cooler than that mean.
From September to October, average highs rise by 2.5°C to 24.9°C, and monthly rainfall rises from 157 mm to 234 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
Ijuí climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C20.0°C | 20.0°C | 173 | 14.5 | 13.714 h |
| February | 28.1°C19.7°C | 19.7°C | 146 | 13.8 | 13.113 h |
| March | 27.3°C18.4°C | 18.4°C | 136 | 11.6 | 12.312 h |
| April | 24.8°C15.8°C | 15.8°C | 161 | 10.1 | 11.411 h |
| May | 21.1°C12.5°C | 12.5°C | 143 | 8.9 | 10.711 h |
| June | 19.3°C11.0°C | 11.0°C | 144 | 9.8 | 10.410 h |
| July | 18.6°C9.8°C | 9.8°C | 157 | 9.7 | 10.511 h |
| August | 21.0°C11.3°C | 11.3°C | 108 | 8.8 | 11.111 h |
| September, selected | 22.5°C12.8°C | 12.8°C | 157 | 10.2 | 11.912 h |
| October | 24.9°C15.3°C | 15.3°C | 234 | 13.1 | 12.713 h |
| November | 26.9°C16.7°C | 16.7°C | 161 | 10.9 | 13.514 h |
| December | 28.8°C19.0°C | 19.0°C | 178 | 12.9 | 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
- Santo Ângelo in SeptemberBrazil · 35 kmHigh 22.8°C · Low 12.9°C · 159 mm rain
- Santa Rosa, Brazil in SeptemberBrazil · 80 kmHigh 23.4°C · Low 13.8°C · 152 mm rain
- Santa Maria in SeptemberBrazil · 145 kmHigh 21.2°C · Low 11.4°C · 157 mm rain
- Passo Fundo in SeptemberBrazil · 148 kmHigh 20.6°C · Low 11.1°C · 165 mm rain
- Erechim in SeptemberBrazil · 181 kmHigh 21.2°C · Low 10.8°C · 185 mm rain
- Chapecó in SeptemberBrazil · 192 kmHigh 22.6°C · Low 12.1°C · 191 mm rain
- Santa Cruz do Sul in SeptemberBrazil · 207 kmHigh 21.5°C · Low 11.9°C · 161 mm rain
- Cachoeira do Sul in SeptemberBrazil · 209 kmHigh 21.3°C · Low 12.0°C · 153 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 Ijuí) is explained once on the Ijuí year overview and on the Sources, method and limits page.