More often than not the weather in Sao Paulo during the month of September is 19 with the high being 26 with low of 15 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 19 |
| High Temperature | 26 |
| Low Temperature | 15 |
| Sunshine Per Day | 6 |
Useful Links: Sao Paulo Weather: Average Weather & Yearly Climate