São Simão in September
7.2out of 10
Possible, with caveats
Hot: daytime highs around 33°C. Some rain: about 6 rainy days.
33°CAvg high
21°CAvg low
6Rainy days (45 mm)
11:54 hDaylight
06:20Sunrise · 18:13 Sunset
Why this score
- Hot: daytime highs around 33°C
- Some rain: about 6 rainy days
- Rain varies a lot between years (±4.7 days)
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±4.7 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 | 267 mm | 24 | – | – | 5.7 |
| February | 31°C | 23°C | 209 mm | 21 | – | – | 5.6 |
| March | 31°C | 22°C | 194 mm | 21 | – | – | 5.6 |
| April | 31°C | 21°C | 73 mm | 10 | – | – | 7.3 |
| May | 29°C | 18°C | 28 mm | 4 | – | – | 8.5 |
| June | 29°C | 17°C | 14 mm | 2 | – | – | 8.9 |
| July | 29°C | 17°C | 8 mm | 1 | – | – | 8.9 |
| August | 31°C | 19°C | 10 mm | 2 | – | – | 8.2 |
| September | 33°C | 21°C | 45 mm | 6 | – | – | 7.2 |
| October | 33°C | 22°C | 115 mm | 14 | – | – | 6.0 |
| November | 31°C | 22°C | 185 mm | 20 | – | – | 5.5 |
| December | 31°C | 23°C | 241 mm | 24 | – | – | 5.6 |
Frequently asked questions
How hot is São Simão in September?
Daytime highs average 33°C and nights about 21°C.
When is the best time to visit São Simão?
The best months are June, July, May.