The American Enlightenment was characterized and inspired by ideas imported from the Old World. The revolutionary ideas pertaining to social, scientific, and political reform were imported from philosophers and scientists in England and France. The Revolutionary Enlightenment.
While summer temperatures tend to peak in the mid-90s, by October the temperatures in Sedona drop enough to be comfortable. According to the Weather Channel, the average high temperature in October is 78 degrees Fahrenheit.
Nightime lows in the summer average in the cool mid 60's. Surprisingly, tourism in Sedona does slow dramatically during July and August even though temperatures are 10 to 15 degrees cooler than Phoenix during the day, and maybe as much as 30 degrees cooler at night.