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.
Expect 1mm (0.0 inches) of rainfall across the whole of August with 1 day with some rain falling. Maximum UV levels will be very high (9 UV index) at midday when the skies are clear. The average night-time temperature is usually a warm 22Â°C (72Â°F). The weather in Santorini in August is represented by Thira.