Dollar in Brazil › History › 2026 › September
Dollar in Brazil in September 2026
PTAX is a Banco Central do Brasil reference calculated from four daily surveys of foreign-exchange dealers. Buying and selling are the sides of that wholesale reference, not executable offers. Final bank or exchange-office prices may include margins, taxes and fees; these are not estimated here.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
In September 2026 the BCB reference PTAX (selling) ended at R$ 5,1809, -0,01% against the closure of August (R$ 5,1816). Maximum: R$ 5,2204 (29/09/2026); minimum: R$ 5,0856 (08/09/2026); average: R$ 5,14472381 in 21 working days. A year before, in September of 2025, the average was R$ 5,36740909: The dollar was 4,15% cheaper on average.
Last PTAX close: 13/11/2026 13:03 (São Paulo time, UTC−3).
Day by day
| Date | Exchange rate | Daily change |
|---|---|---|
| Tuesday 01/09/2026 | R$ 5,1570 | -0,47% |
| Wednesday 02/09/2026 | R$ 5,1273 | -0,58% |
| Thursday 03/09/2026 | R$ 5,0962 | -0,61% |
| Friday 04/09/2026 | R$ 5,1253 | +0,57% |
| Tuesday 08/09/2026 | R$ 5,0856 | -0,77% |
| Wednesday 09/09/2026 | R$ 5,0979 | +0,24% |
| Thursday 10/09/2026 | R$ 5,1149 | +0,33% |
| Friday 11/09/2026 | R$ 5,0918 | -0,45% |
| Monday 14/09/2026 | R$ 5,1696 | +1,53% |
| Tuesday 15/09/2026 | R$ 5,1490 | -0,40% |
| Wednesday 16/09/2026 | R$ 5,1527 | +0,07% |
| Thursday 17/09/2026 | R$ 5,1521 | -0,01% |
| Friday 18/09/2026 | R$ 5,1575 | +0,10% |
| Monday 21/09/2026 | R$ 5,1117 | -0,89% |
| Tuesday 22/09/2026 | R$ 5,1161 | +0,09% |
| Wednesday 23/09/2026 | R$ 5,1414 | +0,49% |
| Thursday 24/09/2026 | R$ 5,1795 | +0,74% |
| Friday 25/09/2026 | R$ 5,1991 | +0,38% |
| Monday 28/09/2026 | R$ 5,2132 | +0,27% |
| Tuesday 29/09/2026 | R$ 5,2204 | +0,14% |
| Wednesday 30/09/2026 | R$ 5,1809 | -0,76% |