Balneário Camboriú weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Poor
Best time to visit: November – April
What is the weather like in Balneário Camboriú in September?
In September, Balneário Camboriú is mild: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 19.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 135 mm in total. All in all, September is not an ideal month for a holiday in Balneário Camboriú.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 30 | 30 | 43 |
| Day | 20° | 21° | 22° |
| Night | 15° | 16° | 18° |
| Sea | 18° | 19° | 21° |
| Sun | 5 h | 4 h | 4 h |
| Rain days | 9 | 13 | 15 |
More details for September
- Daylight
- 11 h 54 min06:13 – 18:07
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 35 %30 %
- Seaweight 25 %34 %
- Sunshineweight 20 %18 %
- Few rainy daysweight 20 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Balneário Camboriú in September: quick answers
Is Balneário Camboriú hot in September?
No. In September, Balneário Camboriú is mild: daytime highs average 21 °C and nights drop to about 16 °C.
Can you swim in Balneário Camboriú in September?
Only if you don't mind cold water: in September the sea averages just 19.4 °C. Comfortable swimming is possible from October to June.
Does it rain much in Balneário Camboriú in September?
Rain is frequent, with about 13 rainy days and 135 mm in total.
Balneário Camboriú month by month
The whole year in Balneário CamboriúAll destinations: BrazilWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences