Climate averages 1991–2020
São José (Santa Catarina, 28.21°S 49.16°W), Brazil weather
in September.
A mild, wet month: the 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in São José (Santa Catarina, 28.21°S 49.16°W), Brazil: daytime highs average 21.7°C and nights cool to about 13.0°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 141 mm of rain on roughly 14 days, which makes September a wet month (the 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 Tubarão (32 km away). In September its highs average 21.6°C, about as warm as São José (Santa Catarina, 28.21°S 49.16°W), Brazil, with 104 mm of rain.
Among the 448 cities listed in Brazil, São José (Santa Catarina, 28.21°S 49.16°W), Brazil ranks joint 405th of 448 for the warmest September highs and joint 394th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; São José (Santa Catarina, 28.21°S 49.16°W), Brazil is 5.8°C cooler than that mean.
From September to October, average highs rise by 1.6°C to 23.3°C, and monthly rainfall rises from 141 mm to 166 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
São José (Santa Catarina, 28.21°S 49.16°W), Brazil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.3°C19.4°C | 19.4°C | 314 | 22.9 | 13.714 h |
| February | 27.2°C19.4°C | 19.4°C | 282 | 21.5 | 13.113 h |
| March | 26.2°C18.3°C | 18.3°C | 198 | 20.4 | 12.312 h |
| April | 24.4°C16.0°C | 16.0°C | 120 | 13.0 | 11.411 h |
| May | 21.3°C12.7°C | 12.7°C | 133 | 11.7 | 10.711 h |
| June | 19.9°C11.0°C | 11.0°C | 98 | 9.8 | 10.410 h |
| July | 19.5°C10.2°C | 10.2°C | 87 | 10.0 | 10.511 h |
| August | 21.1°C11.2°C | 11.2°C | 98 | 9.7 | 11.111 h |
| September, selected | 21.7°C13.0°C | 13.0°C | 141 | 13.8 | 11.912 h |
| October | 23.3°C15.1°C | 15.1°C | 166 | 17.4 | 12.713 h |
| November | 24.8°C16.3°C | 16.3°C | 193 | 17.2 | 13.513 h |
| December | 26.9°C18.3°C | 18.3°C | 226 | 19.4 | 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
- Tubarão in SeptemberBrazil · 32 kmHigh 21.6°C · Low 15.1°C · 104 mm rain
- Criciúma in SeptemberBrazil · 55 kmHigh 21.4°C · Low 13.3°C · 123 mm rain
- Palhoça in SeptemberBrazil · 80 kmHigh 21.6°C · Low 15.1°C · 147 mm rain
- São José (Santa Catarina, 27.62°S 48.63°W), Brazil in SeptemberBrazil · 85 kmHigh 21.4°C · Low 15.3°C · 149 mm rain
- Araranguá in SeptemberBrazil · 87 kmHigh 20.7°C · Low 13.8°C · 132 mm rain
- Florianópolis in SeptemberBrazil · 91 kmHigh 21.0°C · Low 15.8°C · 132 mm rain
- Rio do Sul in SeptemberBrazil · 121 kmHigh 22.1°C · Low 13.8°C · 151 mm rain
- Lages in SeptemberBrazil · 122 kmHigh 19.2°C · Low 10.2°C · 166 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 São José) is explained once on the São José (Santa Catarina, 28.21°S 49.16°W), Brazil year overview and on the Sources, method and limits page.