Highlights

Big Delta's average temperature this month was 44.0°F, normal for the month. The high temperature was 66°F recorded on the 14th and the 15th. The low was 11°F on the 28th. The first frost in Big Delta was recorded on the 18th, and low temperatures continued at or below freezing until the 29th. Total precipitation was reported at 1.23”, 13% above normal for September.