Simplify the formula. You now know enough to find the surface area of any rectangular prism. You can do it faster if you've learned some basic algebra. Start with our equation above: Area of a rectangular prism = lw + lw + wh + wh + lh + lh.
Check the Weather in Perissa, Santorini in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall. 1  25Â°C max day temperature.
The best time to visit Santorini is the fall when the weather is warm and the crowds are few. Like all of the Cyclades, Santorini welcomes the most visitors during the summer, so you'll need to make your reservations at least two months in advance if you plan on visiting anytime from June through August.