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.
Weather in Washington in September. The average maximum daytime temperature in Washington in September is a warm 26Â°C (79Â°F) with low heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 60% of the 12 hours of daylight.