Is September a good month to surf Florianópolis?

Yes — September falls in Florianópolis's main surf season (March–October).

How warm is the sea in Florianópolis in September?

About 19°C on average, which calls for a 3/2mm full wetsuit.

What is the weather like in Florianópolis in September?

Air temperature averages 18°C, with about 5.0 mm of rain per day and average winds of 16 km/h.

Surf Florianópolis in September

Surfing Florianópolis in September: in the main surf season, air around 18°C, sea around 19°C, 5.0 mm of rain a day on average. Wetsuit: a 3/2mm full wetsuit.

Surf season

In season

Air temperature

18°C

Sea temperature

19°C

Rain

5.0 mm/day

Wind

16 km/h avg

Average wave height

1.5 m (5 ft)

Big days (top 10%)

2.0 m (7 ft)+

Swell period

9 s

Main swell direction

From E (90°)

What to wear: with the sea around 19°C in September, expect a 3/2mm full wetsuit.

Surf size in Florianópolis in September

Offshore of Florianópolis, waves in September average 1.5 m (5 ft), above the year-round average of 1.3 m — the biggest month of the year. One hour in ten is 2.0 m (7 ft) or bigger. The dominant swell runs at about 9 seconds from the E.

These are open-ocean figures from 10 years of hourly wave data, not a beach forecast: a sheltered break will be smaller, an exposed reef or point can be bigger.

September in the context of Florianópolis's surf season

Florianópolis's main surf season runs March–October. September is inside it.

Full Florianópolis surf and remote-work guide →

Frequently asked questions

Is September a good month to surf Florianópolis?: Yes — September falls in Florianópolis's main surf season (March–October).
How warm is the sea in Florianópolis in September?: About 19°C on average, which calls for a 3/2mm full wetsuit.
What is the weather like in Florianópolis in September?: Air temperature averages 18°C, with about 5.0 mm of rain per day and average winds of 16 km/h.