The Region of Murcia has bid farewell to the second warmest September of the 21st century, next to that of 2004 and behind that of 2014 with 24ºC of average temperature and the tenth month of September warmer since 1941.
During the first fortnight was affected by frequent storms that persisted on the Iberian Peninsula, highlighting the damage from days 8 to 9, and 14 to 15. Towards the second fortnight, anticyclonic systems were reinforced on the peninsula leading to a drier time and high temperatures; and towards the end of the month, the high pressures were established to the north and northeast of the peninsula, favoring the Levante winds, some precipitation and temperatures closer to normal. The average monthly temperature, 23.4ºC, was + 1.1ºC higher than the average value, the character of the month being “very warm”. This character contributed, to a greater extent, the minimum temperatures, being the average of the minimum 17.9ºC, with an anomaly of + 1.7ºC. The average of the maximum, 28.9ºC, was above the normal value by 0.5ºC. The day with the highest average temperature was 3, and that of the lowest average was day 8. The highest regional average of the maximum temperatures was observed on day 24, although the absolute maximum monthly, 35.9ºC, was registered on the 23rd at the Murcia and Alcantarilla observatories. The lowest maximums, on average, were observed on the 15th, with the lowest maximum being 18.4ºC, registered in Los Royos, Caravaca. The highest minimum temperatures on average, were recorded on September 1 and 3, although the highest minimum of the month was 25ºC, on the 7th, in San Javier. The lowest minimum temperatures were recorded on days 29 and 30, with the lowest being 8.1ºC, on the 30th, in Yecla. In this month of September, in the main observatories the following ephemerides have been surpassed: in the observatory of Murcia (1984-2018), the average temperature was the highest in the series for September, exceeding the 26.1ºC recorded in September of 2016. The average of the minimums, with 21ºC, has surpassed the previous one of 20.1 in 2004. In the observatory of Alcantarilla (1942-2018), the average temperature of this month has equaled the current date, which it was registered in 2014. The average temperature of the minima, 20ºC, has surpassed the previous one registered in 2014 with 19.4ºC. At the observatory of San Javier (1946-2018), the average temperature of September, 25.1ºC, is the second highest in its series after 25.3ºC, recorded in September 1990. The average temperature of the minimum , 20.3ºC, has surpassed the previous one, 19.8ºC in September 2014. During this month, the average precipitation in the Region was 51.5 l / m2, representing 243% of the median value , 21.2 l / m2, and characterizes the month as “very humid”. This month has been the fourteenth most humid September since 1941, and the fifth wettest of the 21st century. Where more precipitation was accumulated was in points of the Northwest and Vega del Segura, surpassing 100 l / m2 in Fuentes del Marqués, Caravaca, and Archena; and where less precipitation was registered in points of the south coast, barely exceeding 25 l / m2 in Cartagena. The most important precipitations were recorded during the following episodes: days 8 and 9 with generalized precipitation, and strong intensities in Archena, where 30 l / m2 were accumulated in one hour, out of a total of 36.6 l / m2 recorded on the day 8. On day 9 in Yecla, in only ten minutes, 13.1 l / m2 were observed, with the total daily rainfall being 26.4 l / m2; and on the 15th, with generalized rainfall and the most important of the month, high amounts were accumulated in Campo de Cartagena, Vega del Segura and Guadalentín Valley. Very strong intensities were reached in Torre Pacheco, Archena and Mazarrón, surpassing 40 l / m2 in such points in just one hour. Likewise, it is worth noting the strong nature of the rainfall recorded on the 10th, in points of the Northwest region, in Fuentes del Marqués, Caravaca, in 10 minutes 10.7 l / m2 were collected, accumulating that day 50.3 l / m2. As well as the day 18 in Archena, measuring 43 l / m2 of which 40 were recorded in just one hour. On days 25, 26 and 27 rainfall was registered, generally weak, highlighting 17.0 l / m2 at Fuentes del Marqués, and 14.6 l / m2 at Los Royos, both at Caravaca, on the 26th. On days 3, 9 , 15 and 19 the precipitations were accompanied by mud. There have been 15 days of storm, with a total of 2782 detected rays; and the day with the highest electrical activity was day 18, with 724 beams. The mean values 2000-2017 for the month of September are 8 stormy days and 1,117 beams. The rainfall from October 1, 2017 to September 30, 2018, 264 l / m2, represent 84% of the average value for the hydrological year, and a rainfall between dry and normal. Where more precipitation was recorded was in high districts of the Northwest, such as Inazares, Campo de San Juan, Benizar and Cañada de la Cruz, with quantities above 400 l / m2. On the other hand, in points of the southern coast of the Region they barely exceeded 100 l / m2. The months of October, November, December and July were very dry; February was dry; the months of March, April and May were normal; June and August were wet; and January and September were very wet. During the month of September there were three days with strong winds, of northeasterly direction: on days 10 and 11, in San Javier, and on the 15th in Mazarrón, registering the maximum monthly streak, 65 km / h, that day.