Climate averages 1991–2020
Erechim weather
in September.
A mild, very wet month: the 8th warmest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Erechim: daytime highs average 21.2°C and nights cool to about 10.8°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 185 mm of rain on roughly 12 days, which makes September a very wet month (the joint 9th 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 Concórdia (51 km away). In September its highs average 22.9°C, 1.7°C warmer than Erechim, with 175 mm of rain.
Among the 448 cities listed in Brazil, Erechim ranks joint 421st of 448 for the warmest September highs and 447th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Erechim is 6.4°C cooler than that mean.
From September to October, average highs rise by 1.9°C to 23.0°C, and monthly rainfall rises from 185 mm to 250 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
Erechim climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C17.6°C | 17.6°C | 187 | 17.6 | 13.714 h |
| February | 25.9°C17.4°C | 17.4°C | 175 | 16.4 | 13.113 h |
| March | 24.9°C16.2°C | 16.2°C | 147 | 13.4 | 12.312 h |
| April | 22.6°C13.6°C | 13.6°C | 144 | 10.9 | 11.511 h |
| May | 19.0°C10.2°C | 10.2°C | 173 | 9.8 | 10.811 h |
| June | 17.7°C8.6°C | 8.6°C | 161 | 10.1 | 10.410 h |
| July | 17.5°C7.7°C | 7.7°C | 164 | 10.0 | 10.611 h |
| August | 19.8°C8.9°C | 8.9°C | 121 | 8.5 | 11.111 h |
| September, selected | 21.2°C10.8°C | 10.8°C | 185 | 11.5 | 11.912 h |
| October | 23.0°C13.4°C | 13.4°C | 250 | 14.8 | 12.713 h |
| November | 24.3°C14.6°C | 14.6°C | 179 | 12.7 | 13.513 h |
| December | 25.9°C16.7°C | 16.7°C | 185 | 15.6 | 13.814 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
- Concórdia in SeptemberBrazil · 51 kmHigh 22.9°C · Low 12.3°C · 175 mm rain
- Chapecó in SeptemberBrazil · 69 kmHigh 22.6°C · Low 12.1°C · 191 mm rain
- Passo Fundo in SeptemberBrazil · 71 kmHigh 20.6°C · Low 11.1°C · 165 mm rain
- Caçador in SeptemberBrazil · 157 kmHigh 21.0°C · Low 11.3°C · 152 mm rain
- Pato Branco in SeptemberBrazil · 161 kmHigh 22.5°C · Low 12.5°C · 177 mm rain
- Ijuí in SeptemberBrazil · 181 kmHigh 22.5°C · Low 12.8°C · 157 mm rain
- Bento Gonçalves in SeptemberBrazil · 186 kmHigh 19.9°C · Low 10.1°C · 172 mm rain
- Francisco Beltrão in SeptemberBrazil · 189 kmHigh 23.8°C · Low 13.7°C · 174 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 Erechim) is explained once on the Erechim year overview and on the Sources, method and limits page.