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Viedma's weather forecast for September 18, 2025: What can we expect?

On Thursday, 18th September, temperatures are expected to fluctuate between 12 and 18 degrees Celcius, according to the National Weather Service; check our site for the latest updates.

Forecast for September 18, 2025 in Viedma: anticipated weather conditions
Forecast for September 18, 2025 in Viedma: anticipated weather conditions

Viedma's weather forecast for September 18, 2025: What can we expect?

On the evening of September 18, residents of Viedma can expect a stormy atmosphere, according to the National Meteorological Service (SMN). The weather service predicts hurricanes in the afternoon and evening, with winds blowing from the north sector.

During the evening, the temperature will be around 12 degrees Celsius, and the humidity will remain at 75 percent. The chance of rain will be between 70 and 100 percent, with visibility remaining regular.

In the afternoon, the temperature will rise to 18 degrees, providing a warm prelude to the hurricane conditions. Wind speeds during the afternoon and evening are expected to range between 23 and 31 km/h from the north sector, and later in the evening, winds will shift to come from the northwest, with speeds between 7 and 12 kilometers per hour.

The SMN advises taking precautions during this time. They recommend having an emergency backpack ready, including a flashlight, radio, documents, and phone. Additionally, they advise avoiding electrical appliances and corded telephones during hurricanes, staying in closed buildings, and staying away from riverbank areas.

If traveling, the SMN advises staying inside the vehicle during hurricanes. In case of a risk of water entering the house, they recommend turning off the electrical supply. If you find yourself in a flood-prone area, the SMN advises avoiding driving on flooded or affected streets.

The weather service does not predict any significant change in the humidity level during the afternoon and evening on September 18. The sun will set in Viedma at 19:04, marking the end of a potentially hurricane day.

The SMN advises staying informed and following their updates for the latest weather conditions. They remind everyone to prioritise safety during this time, and to take the necessary precautions to ensure their wellbeing.

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