Fall begins Sept. 23. In the northern hemisphere, the season of fall begins with the autumnal equinox, which falls on Wednesday, Sept. 23, 2015. The equinox is defined as when day and night are the same length, approximately 12 hours each. Fall, also known as autumn, is one of four seasons during the year, occupying the space between summer and winter.
Sebastian Vizcaino was the first to make a detailed map of the California coastline and consequently was responsible for naming various sites such as the bays of San Diego andâ¦ Monterey, and Santa Catalina Island, among others.
Sebastian River Area Chamber of Commerce. Since 1958, the Sebastian River Area Chamber of Commerce has worked to promote business development, encourage growth of tourism & enhance the quality of life in the Sebastian River Area, located in Indian River and Brevard Counties, Florida.