Weather By Day

September Weather In Delaware  

Delaware September Weather

Average and record high and low temperatures and typical rainfall for major Delaware cities in September:

September Wilmington Weather - In the month of September, Wilmington has recorded a record high temperature of 100 and, the high temperature averages 77. Wilmington has recorded a record low of 36 and, the typical low is 58.

Wilmington averages 4.01 inches of precipitation in September.