Rio Bonito in September
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Frequent rain: about 11 rainy days.
26°CAvg high
19°CAvg low
11Rainy days (81 mm)
11:53 hDaylight
05:48Sunrise · 17:41 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Frequent rain: about 11 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.8 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 | 30°C | 23°C | 237 mm | 19 | – | – | 5.9 |
| February | 30°C | 23°C | 177 mm | 15 | – | – | 6.3 |
| March | 29°C | 23°C | 212 mm | 20 | – | – | 6.0 |
| April | 28°C | 21°C | 110 mm | 14 | – | – | 7.0 |
| May | 26°C | 19°C | 83 mm | 12 | – | – | 7.5 |
| June | 25°C | 18°C | 46 mm | 7 | – | – | 8.1 |
| July | 25°C | 17°C | 45 mm | 7 | – | – | 8.1 |
| August | 25°C | 18°C | 44 mm | 8 | – | – | 8.0 |
| September | 26°C | 19°C | 81 mm | 11 | – | – | 7.7 |
| October | 27°C | 20°C | 108 mm | 13 | – | – | 7.3 |
| November | 27°C | 21°C | 204 mm | 18 | – | – | 6.1 |
| December | 29°C | 23°C | 243 mm | 20 | – | – | 6.1 |
Frequently asked questions
How hot is Rio Bonito in September?
Daytime highs average 26°C and nights about 19°C.
When is the best time to visit Rio Bonito?
The best months are June, July, August, September.