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.
So, how is the weather in Washington DC in October? Early in the month you can expect warm temperatures during the daytime to reach the low to mid 70s f (about 23C) and occasionally into the 80s f (about 29C) while early morning lows are mostly in the mid-50s f (about 13C).