King Charles III sent a message to Guatemalan President Bernardo Arévalo and the people of Guatemala marking the country's independence anniversary, according to a world news item published by the British Embassy in Guatemala City on 17 September 2026. In the letter, the King, writing with his wife, offered congratulations and warm wishes and described the occasion as a chance to reflect on the friendship between the two nations.

The King said he was encouraged by the strength of bilateral ties and remained committed to fostering closer cooperation in the years ahead. He pointed to climate and the preservation of the natural world as shared challenges and expressed hope that the two countries would keep working together toward lasting solutions.

The message closed with regards to Arévalo and all Guatemalans, alongside wishes for peace, prosperity and wellbeing in the year ahead.