Ilhabela in September
6.9out of 10
Possible, with caveats
Mild: highs around 21°C. Frequent rain: about 14 rainy days.
21°CAvg high
19°CAvg low
14Rainy days (134 mm)
11:52 hDaylight
06:00Sunrise · 17:52 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 14 rainy days
- Rain varies a lot between years (±4.4 days)
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±4.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 26°C | 24°C | 185 mm | 16 | – | – | 6.5 |
| February | 26°C | 25°C | 141 mm | 13 | – | – | 7.1 |
| March | 25°C | 24°C | 173 mm | 16 | – | – | 6.6 |
| April | 24°C | 23°C | 117 mm | 13 | – | – | 7.2 |
| May | 23°C | 21°C | 121 mm | 12 | – | – | 7.2 |
| June | 22°C | 20°C | 91 mm | 10 | – | – | 7.7 |
| July | 21°C | 19°C | 102 mm | 9 | – | – | 7.7 |
| August | 21°C | 19°C | 80 mm | 9 | – | – | 7.7 |
| September | 21°C | 19°C | 134 mm | 14 | – | – | 6.9 |
| October | 22°C | 20°C | 137 mm | 14 | – | – | 7.0 |
| November | 23°C | 21°C | 162 mm | 16 | – | – | 6.6 |
| December | 25°C | 23°C | 153 mm | 14 | – | – | 6.9 |
Frequently asked questions
How hot is Ilhabela in September?
Daytime highs average 21°C and nights about 19°C.
When is the best time to visit Ilhabela?
The best months are June, July, August, April.