September is the summer percolating into autumn, an ever-so-slight relaxation from the peak heats of July and August, but with only the first whispers of cooler falls. It largely feels like an extension of the summer months, full of bright, hot days and many of the same birds and butterflies as the previous three months. Where it differs most strongly is in the rains; September is typically our rainiest month of the year, averaging around 5 inches, or about 1/5 th of the Lower Rio Grande Valley’s annual average. The relative deluge serves as a wakeup call to one group of ...