The Portuguese Institute of the Sea and Atmosphere issued a yellow warning for the Lisbon district due to the forecast of temperatures above usual for this time of year. The warning is related to the persistence of elevated maximum temperature values.
The yellow warning will be active between 09:00 on September 12 and 18:00 on September 13, in UTC time. During this period, temperatures are expected to remain high, especially during the afternoon.
According to IPMA, these weather conditions can enhance thermal discomfort in the population. The entity recommends increased caution, especially for more vulnerable groups and for people subject to prolonged exposure to heat.




