Climate averages 1991–2020
Joinville weather
in September.
A warm, wet month: the 9th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Joinville: daytime highs average 22.2°C and nights cool to about 15.5°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 145 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 55 min on an average September day.
The nearest other city in this atlas is Jaraguá do Sul (30 km away). In September its highs average 22.3°C, about as warm as Joinville, with 151 mm of rain.
Among the 448 cities listed in Brazil, Joinville ranks joint 394th of 448 for the warmest September highs and 399th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Joinville is 5.4°C cooler than that mean.
From September to October, average highs rise by 1.6°C to 23.8°C, and monthly rainfall rises from 145 mm to 149 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
Joinville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.1°C21.7°C | 21.7°C | 278 | 24.2 | 13.614 h |
| February | 28.1°C21.8°C | 21.8°C | 258 | 21.8 | 13.013 h |
| March | 27.1°C20.9°C | 20.9°C | 201 | 22.4 | 12.312 h |
| April | 25.5°C18.8°C | 18.8°C | 116 | 14.1 | 11.511 h |
| May | 22.7°C15.7°C | 15.7°C | 107 | 12.3 | 10.811 h |
| June | 21.2°C13.9°C | 13.9°C | 103 | 9.9 | 10.511 h |
| July | 20.5°C13.0°C | 13.0°C | 89 | 10.0 | 10.711 h |
| August | 21.4°C13.7°C | 13.7°C | 87 | 9.3 | 11.211 h |
| September, selected | 22.2°C15.5°C | 15.5°C | 145 | 14.4 | 11.912 h |
| October | 23.8°C17.4°C | 17.4°C | 149 | 17.1 | 12.713 h |
| November | 25.3°C18.7°C | 18.7°C | 161 | 17.7 | 13.413 h |
| December | 27.4°C20.6°C | 20.6°C | 192 | 20.6 | 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
- Jaraguá do Sul in SeptemberBrazil · 30 kmHigh 22.3°C · Low 15.1°C · 151 mm rain
- São Bento do Sul in SeptemberBrazil · 53 kmHigh 19.9°C · Low 11.6°C · 175 mm rain
- Itajaí in SeptemberBrazil · 70 kmHigh 20.7°C · Low 16.2°C · 152 mm rain
- Gaspar in SeptemberBrazil · 71 kmHigh 22.1°C · Low 15.2°C · 158 mm rain
- Blumenau in SeptemberBrazil · 72 kmHigh 22.2°C · Low 15.0°C · 158 mm rain
- Indaial in SeptemberBrazil · 76 kmHigh 22.0°C · Low 14.5°C · 168 mm rain
- Balneário Camboriú in SeptemberBrazil · 79 kmHigh 21.0°C · Low 16.0°C · 152 mm rain
- Camboriú in SeptemberBrazil · 82 kmHigh 21.4°C · Low 16.0°C · 152 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 Joinville) is explained once on the Joinville year overview and on the Sources, method and limits page.