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.
Washington DC: Annual Weather Averages. July is the hottest month in Washington DC with an average temperature of 27Â°C (80Â°F) and the coldest is January at 4Â°C (38Â°F) with the most daily sunshine hours at 9 in July. The wettest month is May with an average of 100mm of rain. Loading weather data.