What's the temperature in California from September to March? What clothes should I bring if I go there?

California is located on the west coast of the United States, bordering the Pacific Ocean in the west, Oregon in the north, Nevada and Arizona in the east, and Mexico in the south, with an area of * * * 158693 square miles, between 32 and 42 degrees north latitude. The climate is mild throughout the year, with rainy season from 10 to April and dry season from May to September. However, the annual rainfall in Northern California and Southern California is quite different. The annual rainfall in the northern coastal areas is 80 inches, while that in the southern areas such as Los Angeles is only about 15 inches, and the annual rainfall in the eastern desert areas is even rarer.

California: It has a vast territory and a great climate change, with a subtropical climate in the south and a temperate climate in the north. The average temperature in San Francisco is 1 month 9 degrees Celsius, April 12 degrees Celsius, July 17 degrees Celsius, 10/6 degrees Celsius. Northern California has a rainy season from 10 to April and a dry season from May to September. In the morning and evening of summer, there is often heavy fog in downtown San Francisco. California is located in the fault zone, and earthquakes are frequent. 1989 An earthquake with a magnitude of 7. 1 occurred in San Francisco, causing 67 deaths and 3,757 injuries, and the direct property loss was10 billion US dollars.