Measurements:
°C
°F
CURRENT WEATHER
19:32
Florianopolis
68°F
SE 6 mph
Feels like: 68°F
Precip: 75%
World Resorts Brazil Florianopolis Weather

7 Day Weather Forecast

09.28
mon
DAY
74°F
S 4 mph
precip
25%
NIGHT
66°F
S 4 mph
precip
42%
09.29
tue
DAY
70°F
S 5 mph
precip
74%
NIGHT
70°F
S 3 mph
precip
42%
09.30
wed
DAY
70°F
W 2 mph
precip
50%
NIGHT
62°F
NW 4 mph
precip
43%
10.01
thu
DAY
62°F
N 2 mph
precip
23%
NIGHT
60°F
N 4 mph
precip
29%
10.02
fri
DAY
64°F
NW 4 mph
precip
22%
NIGHT
60°F
NE 2 mph
precip
27%
10.03
sat
DAY
64°F
S 2 mph
precip
39%
NIGHT
66°F
W 3 mph
precip
89%
10.04
sun
DAY
70°F
SW 5 mph
precip
29%
NIGHT
68°F
N 7 mph
precip
29%

Florianopolis Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Florianopolis was 18.2°F. The maximum and minimum values were 16.9°F and 19.5°F respectively.

Florianopolis on the Weather Map

Best Time to Visit Florianopolis
The most sunny months:
July 16 days
June 14 days
August 14 days
The most warm months:
February 86.1 °F
January 85.7 °F
March 83.7 °F
Warmest sea temperature:
February 82.2 °F
January 81.7 °F
March 80.9 °F
The most cold months:
July 69.3 °F
June 70.0 °F
August 70.2 °F
The most rainy months:
January 7 days
February 7 days
December 6 days
The most windy months:
November 7 mph
October 7 mph
September 7 mph
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