California weather in September
Considering a trip to California this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in California in September?
California is a region in the United States of America. The weather in California in September can be quite varied, with temperatures that range from moderate to very warm and precipitation levels ranging from almost none to moderate.
The average highest temperatures fluctuate between moderate in Sequoia National Park at 16°C to very warm in Furnace Creek at 42°C. Nighttime temperatures generally drop to 25°C in Furnace Creek and 3°C in Sequoia National Park. On average, September is the month with the highest temperature of the year in California.
In September, precipitation varies across different areas. From almost no rainfall in Buttonwillow with an average of 0.1 mm to moderate rainfall in Crescent City with 40 mm. The city Los Angeles usually sees around 278 hours of sunlight, indicating many sunny days.
To learn more about the conditions in specific areas of California in September, check out the map below. For more details on the yearly weather, visit our California climate page.
Where to go in California in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in California?
Los Angeles
In September Los Angeles generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 18°C and almost no monthly rainfall. So on average the conditions are perfect that month.
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Big Bear Lake
In September Big Bear Lake generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 6°C and low monthly rainfall. So on average the conditions are perfect that month.
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San Francisco
In September San Francisco generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 13°C and almost no monthly rainfall. So on average the conditions are perfect that month.
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San Diego
In September San Diego generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 18°C and almost no monthly rainfall. So on average the conditions are perfect that month.
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Anaheim
In September Anaheim generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 18°C and low monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in California, in the United States of America.
Is September the best time to visit California?
We believe that September is one of the best times to visit California with overall perfect weather in Los Angeles. It's worth noting that weather conditions might differ depending on the location you visit.
On average, the best time to visit California is in January, March, April, May, June, July, August, September, October and November with generally perfect weather in Los Angeles.
Interested in more climate information?
We have much more information about the climate in California.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.