Gender is what actually gets expressed â how we look, how we act and how we feel. While sex is determined by what is written into the chromosomes or what is dictated by our biology, known as genotype, it is the interaction between the genes (genotype) and the environment that determines gender.
Here are the average temp in Yosemite Valley (where CV is located) by month: www.nps.gov/yose/planyourvisit/climate.htm. Also beginning of September is usually still quite warm. Nights can have a bit of a chill, but nothing a couple of blankets can't handle.
Napa Valley Weather Napa Valley September Weather. The weather in September in Napa Valley is fantastic. The average temperature in Calistoga is 69 degrees, with an average high of 88, and an average low of 50 degrees. The average rainfall in Calistoga for September is 0.3 inches. You can count on sunshine an average of 10 hours a day.