This Page: Formula. Related Links: Triangular Prism. This page examines the properties of a rectangular prism such as the image on the right. A rectangular prism is exactly what it sounds like it's a 3 dimensional shape with a width, height and a length (or base) such as the 3,2, and 8 this picture on the right. Rectangular Prism Volume Formula.
Weather lowdown. The weather continues to cool down in Rome, Italy in September, although the city is still pleasantly warm. At the beginning of the month, the average temperature starts off at 23Â°C and slowly drops until it reaches 19Â°C in the final few days of the month.
Winter falls between December and February and during this time, Rome experiences cool temperatures of around 8Â°C to 9Â°C and roughly 14 rainy days per month. Late spring, early summer and early autumn are the most popular times to visit Rome, when the city is at its most beautiful.