Locarno marks three consecutive tropical nights in September, a rare phenomenon for Switzerland

Locarno marks three consecutive tropical nights in September, a rare phenomenon for Switzerland News Express newspaper The data shows that tropical nights in September continue to be unusual. Since measurements began at Locarno-Monti in 1935, only nine tropical nights have been recorded during the month of September. The city of Locarno, in the canton of Ticino, has recorded three consecutive tropical nights in September, a phenomenon that meteorologists still consider rare for this time of year. According to MeteoSwiss data, at the Locarno-Monti measuring station the minimum temperature was 20.7 degrees Celsius on Saturday morning, 21.2 degrees on Sunday and 20.9 degrees on Monday. A night is considered tropical when the temperature does not drop below 20 degrees Celsius. The data shows that tropical nights in September continue to be unusual. Since measurements began in Locarno-Monti in 1935, only nine tropical nights have been recorded during the month of September, writes swissinfo.ch, reports albinfo.ch. However, this year's summer has been particularly hot in southern Switzerland. In Locarno, the temperature did not drop below 20 degrees for 57 nights, while in Lugano, 54 such nights were recorded. Lugano also recorded two tropical nights at the beginning of September. Since measurements began there in 1864, the city has recorded a total of only 11 tropical nights during September. Meteorologist Guido Della Bruna from MeteoSwiss described a tropical night in September as a phenomenon that remains relatively rare. Switzerland is expected to continue to be under the influence of high atmospheric pressure, although precipitation is also expected south of the Alps.