what is the over all California Fall climate?

Answer 1

There is no overall California climate.

The state stretches from 32 to 42 North latitude. It has high mountains, the lowest area in the States, plus coastal, and intra-montane regions.

Answer 2

no i mean how hot or how cold ist it in the fall there?

Answer 3

Check this list of California cities and the maximum temperatures for September, October, and November.

http://ggweather.com/climate/temp_max.htm