What is the weather like in Florianópolis vs Ilha Grande in September?

In September, Florianópolis averages 24°C high / 16°C low with about 105 mm of rain; Ilha Grande averages 18°C high / 14°C low with about 76 mm.

Florianópolis vs Ilha Grande in September

Ilha Grande is the better pick in September — 85 vs 77 on SeasonMap's comfort score. Ilha Grande is nice, a little rain, muggy air, while Florianópolis is warm, rainy, muggy air.

Florianópolis vs Ilha Grande — September climate, side by side

	🇧🇷 Florianópolis	🇧🇷 Ilha Grande
Comfort score	77/100 (B)	85/100 (A)
Feels-like high	25°C	18°C
Avg high / low	24° / 16°	18° / 14°
Rainfall	105 mm	76 mm
Rainy days	12	11
Humidity	82%	81%
Air quality (AQI)	51	76

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Florianópolis vs Ilha Grande in September — FAQ

Is September better in Florianópolis or Ilha Grande?: Ilha Grande is the better pick in September — 85 vs 77 on SeasonMap's comfort score. Ilha Grande is nice, a little rain, muggy air, while Florianópolis is warm, rainy, muggy air.
What is the weather like in Florianópolis vs Ilha Grande in September?: In September, Florianópolis averages 24°C high / 16°C low with about 105 mm of rain; Ilha Grande averages 18°C high / 14°C low with about 76 mm.