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.
Climate in Greece in September. The weather in Greece in September is warm and mild. Greeceâs Mediterranean climate means that September weather is still relatively warm. Average temperatures in Athens for September range from 19 to 29Â°C (66 to 84Â°F). The average temperature during September on many of Greeceâs islands is only slightly cooler than that of Athens. Sunshine hours begin to decrease in Greece during September.