The official Tasa Representativa del Mercado (TRM) for the US dollar against the Colombian peso on September 4, 2026, was recorded at $3.140,55 COP. ^[1] During August, the Colombian peso depreciated 1.8% monthly and closed at 3,215 pesos per dollar, which is 57 pesos higher than at the start of the month. ^[2] The Colombian peso appreciated against the US dollar during the first three days of September 2026, requiring fewer pesos to purchase one US dollar. ^[3] The TRM rate on September 3, 2026, was $3.184,00 COP, and on September 2, 2026, it was $3.213,97 COP. ^[4] On September 2, 2026, the euro in Colombia was priced at approximately $3,659. ^[5] The euro is one of the most important international currencies for Colombia due to commercial, financial, and business links between the country and Europe. ^[6] The euro price on September 2, 2026, represented a reduction of $78 compared to the closing price on September 1, 2026, which was $3,737. ^[7] The Banco de la República explains that the TRM corresponds to the weighted average of buy and sell rates for dollars against the Colombian peso performed by authorized financial entities. ^[8]