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official dollar (Banco Nación) in September of 2026
In September of 2026 the official dollar opened in $ 1.535,00 and closed in $ 1.540,00 (+0,65% against the closure of the previous month). $ 1.530,00 the 03/09/2026 and a maximum of $ 1.545,00 the 25/09/2026. There was 2 nominal record days.
September 2026 summary
| Open | $ 1.535,00 |
| Close | $ 1.540,00 |
| Low (03/09/2026) | $ 1.530,00 |
| High (25/09/2026) | $ 1.545,00 |
| Monthly change | +0,65% |
| Days with observations | 22 |
All dollars in September 2026
| Dollar | Month close | Gap vs. official |
|---|---|---|
| Official USD (Banco Nación) | $ 1.540,00 | — |
| Blue USD (informal) | $ 1.560,00 | +1,30% |
| MEP USD (securities) | $ 1.548,70 | +0,56% |
| Contado con liquidación dollar (CCL) | $ 1.614,20 | +4,82% |
Day by day
| Date | Buying rate | Selling rate | Daily chg. (sale) |
|---|---|---|---|
| 01/09/2026 | $ 1.485,00 | $ 1.535,00 | +0,33% |
| 02/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 03/09/2026 | $ 1.480,00 | $ 1.530,00 | -0,33% |
| 04/09/2026 | $ 1.480,00 | $ 1.530,00 | 0,00% |
| 07/09/2026 | $ 1.480,00 | $ 1.530,00 | 0,00% |
| 08/09/2026 | $ 1.480,00 | $ 1.530,00 | 0,00% |
| 09/09/2026 | $ 1.485,00 | $ 1.535,00 | +0,33% |
| 10/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 11/09/2026 | $ 1.480,00 | $ 1.530,00 | -0,33% |
| 14/09/2026 | $ 1.480,00 | $ 1.530,00 | 0,00% |
| 15/09/2026 | $ 1.480,00 | $ 1.530,00 | 0,00% |
| 16/09/2026 | $ 1.485,00 | $ 1.535,00 | +0,33% |
| 17/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 18/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 21/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 22/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 23/09/2026 | $ 1.485,00 | $ 1.535,00 | 0,00% |
| 24/09/2026 | $ 1.490,00 | $ 1.540,00 | +0,33% |
| 25/09/2026 | $ 1.495,00 | $ 1.545,00 | +0,32% |
| 28/09/2026 | $ 1.495,00 | $ 1.545,00 | 0,00% |
| 29/09/2026 | $ 1.495,00 | $ 1.545,00 | 0,00% |
| 30/09/2026 | $ 1.490,00 | $ 1.540,00 | -0,32% |
And today?
US$ 100 cost $ 154.000,00 for the September of 2026; Today they cost $ 157.000,00 (+1,95%). The inflation accumulated from then to October of 2026 was +2,20% (INDEC): in today's pesos, that official dollar is equivalent to $ 1.573,88, So in real terms the dollar is cheaper than then (-0,25%).
Working days, ask rate and purchase (ArgentinaDatos.(com). Inflation: INDEC.
← August 2026 · October 2026 →
official dollar (Banco Nación) in 2026 · September 2026 summary: all dollars · All years
Frequently asked questions
How far did the official dollar in September of 2026?
$ 1.540,00 (sell, 30/09/2026).
What was the maximum of official dollar in September of 2026?
$ 1.545,00 on 25/09/2026; the low, $ 1.530,00 on 03/09/2026.
How much today is the official dollar of September of 2026 Inflation adjusted?
About $ 1.573,88 in today's pesos (cumulative INDEC inflation +2,20%), versus $ 1.570,00 at the latest rate.
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