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.
Across the summer months, the average sea temperature for the beaches in Santorini varies greatly from being far too cold to swim in to being just perfect. The sea is at its coldest in March at 16Â°C, whilst itâs at its warmest at 25Â°C in August.