Problem 2) If the volume of a rectangular prism is 30  3 and its height is 5 , its length is 2 , what is its width? Problem 3) The volume of a rectangular prism is 125  3 and its height is 5 .
Averages for Washington DC in September. The weather in September in Washington DC is very attractive for those that want to avoid the peak heat of summer, yet still enjoy lots of warm days on their visit. On average, peak temperatures during the day in September still reach up to 27Â°C.
See larger image. On average, itâs the 4th wettest month of the year, but September rain often come in buckets over a few days. The month also frequently delivers fairly nice weather, with plentiful sunshine, lowering humidity levels and of course those much-needed â after a long hot D.C. summer â cooler days.