Hurricanes are seasonal. If something is seasonal, then that means it has a certain characteristic that makes it important or putting emphasis on something to make sure that it "stands out." The beginning of June is the start of hurricane season. On November 30th hurricane season ends. The Atlantic Hurricane season is a season where hurricanes usually form in the Atlantic ocean. In May, the amount of hurricane activity is the lowest. In September, hurricane activity is at its peak. Most hurricanes occur on September 10. In each hurricane season there is an average of 5.9 hurricanes