Rosh Hashanah—the Jewish New Year—falls this year on the evening of Sept. 11: the 25th anniversary of the 2001 terrorist attacks that rocked America and the world. And it’s Shabbat to boot. That means a trifecta of events that will bring the Jewish community together, physically and spiritually.It also starts the beginning of the Yamim Noraim, the “Days of Awe” dedicated to repentance, spiritual renewal and forgiveness, ending with Yom Kippur, t…