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BrazilThe weather in September in Florianópolis
It's warm in September in Florianópolis with an average temperature of 26°C. Temperatures this month range from a low of 24°C to a high of 29°C. At night, you can expect temperatures between 17°C and 20°C.
Looking for great weather? September is a good time to be in Florianópolis. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Florianópolis, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 40°C in 2023, Florianópolis reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 15°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 99 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Florianópolis
Click on any day in September to get detailed info about the usual weather on that day in Florianópolis. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Florianópolis | New York | |
|---|---|---|
| Average temperature | 26°C | 27°C |
| Max. temperature | 29°C | 31°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 99 mm | 57 mm |
| Rainy days | 12 days | 9 days |
Start of September
The month of September starts in Florianópolis with warm temps, averaging around 26°C during the day and nights around 18°C.
Mid September
By mid-September, daytime temps rise to around 28°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Florianópolis is around 27°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Florianópolis
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Florianópolis for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in September in Florianópolis, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Florianópolis
Temperature in September in Florianópolis over the years
Precipitation charts
These charts show the average amount of precipitation in September in Florianópolis, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Florianópolis
Total precipitation in September in Florianópolis over the years
Daily UV index in September in Florianópolis
This chart shows the average daily UV index in September in Florianópolis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Florianópolis
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Average weather in Florianópolis by month
Click on a month below to see detailed weather info for Florianópolis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.