Month summary
Florianópolis weather in September
✅ Good
🌡️ Temperature min / max
63°F – 72°F
🌧 Rainy days
41% of days
☀️ Sunshine
9.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
April (7.7/10)
Quick decision
Should you visit Florianópolis in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 22°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: September is a good time to visit Florianópolis. April remains slightly better (+0.3 pts).
By trip type
Florianópolis in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
Autumn in Florianópolis is often underrated: 22°F, golden light and declining crowds. An interesting window. Expect rain on 41% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. April (7.7/10) is significantly better if possible.
Browse by month
All months for Florianópolis
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 73°F | 82°F | 68% | 0.2in | 11.7h | 7.4/10 |
| ⛅ February | 72°F | 82°F | 63% | 0.2in | 12.0h | 7.5/10 |
| ⛅ March | 72°F | 82°F | 60% | 0.2in | 11.0h | 7.5/10 |
| 🌤️ April | 68°F | 77°F | 42% | 0.1in | 10.6h | 7.7/10 |
| 🌤️ May | 63°F | 73°F | 37% | 0.1in | 9.7h | 7.5/10 |
| 🌤️ June | 59°F | 70°F | 32% | 0.1in | 9.2h | 7.3/10 |
| 🌤️ July | 57°F | 70°F | 21% | 0.1in | 9.7h | 7.6/10 |
| 🌤️ August | 57°F | 70°F | 28% | 0.1in | 10.0h | 7.5/10 |
| 🌤️ September | 63°F | 72°F | 41% | 0.1in | 9.5h | 7.4/10 |
| 🌦️ October | 64°F | 73°F | 56% | 0.2in | 8.6h | 7.1/10 |
| 🌤️ November | 66°F | 77°F | 50% | 0.2in | 11.0h | 7.5/10 |
| 🌤️ December | 70°F | 81°F | 52% | 0.2in | 11.9h | 7.7/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Florianópolis averages 72°F, 41% rainy days and 9.5h of sunshine per day. Overall weather score: 7.4/10.
See methodology →
Comparison
September vs April (best month)
The best month is April (score 7.7/10). Difference:
- 🌡️ Max temperature : +3°F
- 🌧 Rainy days : +1%
- ☀️ Sunshine : +1.1h/day
FAQ
FAQ — Florianópolis in September
Is September a good time to visit Florianópolis?
September is an acceptable time for Florianópolis (score 7.4/10). Conditions are decent but not optimal — consider April (7.7/10) if possible.
What to do in Florianópolis in September?
With 72°F max and 9.5h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
Find a place to stay in Florianópolis
Find places to stay in Florianópolis in September
Search on Hotels.com
Activities & tours
Activities and tours in Florianópolis
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Florianópolis
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in September
🌍 Top destinations
Other top destinations in September
Weather rankings
Compare destinations by weather
Guides & comparisons