Weather in California in september 2025

Here, check out the weather forecast for the month of september for most popular cities in California. These forecasts are statistics for september from weather reports for many years. The percentage indicates the possibility of having the weather mentioned.



Where to go in California in september?

Where to go in California in september: destination map

Legend: perfect weather good tolerable bad very bad


Where should you go in California in september when it comes to the weather?

Remember:
The climate in California in september ranges from perfect to good depending on the region and city.

In september the weather is just perfect in California, but only in a few cities: in Los Angeles , Morro Bay, Sacramento, Lompoc, Carlsbad, Palm Springs, Bakersfield, San Francisco, Santa Maria, Santa Barbara, Malibu, Temecula, Huntington Beach, Santa Monica, Newport Beach, Oxnard, Napa Valley, Hollywood, San Luis Obispo, San Jose, Lone Pine, San Clemente, Big Pine, Chula Vista, San Bernardino, San Diego, Topanga and Redding. In these places, all the conditions are met for savor fully your travel: the sun is here, precipitations are scarce and the humidity is bearable. It is therefore the ideal month to go to these cities!

Please note that the weather is still good in Death Valley National Park, Bodega Bay, Lake Tahoe, Moss Beach, Visalia, McKinleyville, Yosemite National Park, Mammoth Lakes, Joshua Tree National Park, Pacific Grove and Fort Bragg. In these cities, temperatures are pleasing and allow you enjoy the sun and sightseeing in good conditions.



Climate in California in september

Climate in Los Angeles in september

In september, the mean temperature in Los Angeles (California) is 79°F (maximum temperature is 86°F and minimum temperature is 74°F). The climate is burning in that locality in september. It rains very rarely during september. You will not get wet throughout your vacations!
With ideal weather conditions, september is an advisable month to go in that area.

September
Average temperature 79°F
Highest temperature 86°F
Lowest temperature 74°F
Sea temperature 67°F
Rainfall 0.3in
Number of days with rainfall 0 day(s)
(1%)
Humidity 58%
Daily sunshine hours 13
Cloud cover 7%
Length of day 12:22
Our opinion at whereandwhen.net perfect
more information about the climate in Los Angeles in september

Climate in San Francisco in september

In the month of september, the mean temperature in San Francisco is 70°F (maximum temperature is 77°F and minimum temperature is 63°F). The climate quite comfortable in this location in this month. does not rain (or really exceptionally) during september. You will therefore be at the shelter from rain for your holidays!
With a perfect weather, september is a recommended month to go in San Francisco.

September
Average temperature 70°F
Highest temperature 77°F
Lowest temperature 63°F
Sea temperature 58°F
Rainfall 0.2in
Number of days with rainfall 0 day(s)
(1%)
Humidity 79%
Daily sunshine hours 12
Cloud cover 12%
Length of day 12:25
Our opinion at whereandwhen.net perfect
more information about the climate in San Francisco in september

Climate in Palm Springs in september

In the month of september, maximum temperature is 92°F and minimum temperature is 76°F (for an average temperature of 83°F). The climate is very warm around this city in this month. It almost never rains during this month. You stay dry throughout your holidays!
With ideal weather conditions, september is an advisable month to go there in United States.

September
Average temperature 83°F
Highest temperature 92°F
Lowest temperature 76°F
Rainfall 0.9in
Number of days with rainfall 2 day(s)
(5%)
Humidity 34%
Daily sunshine hours 12
Cloud cover 5%
Length of day 12:22
Our opinion at whereandwhen.net perfect
more information about the climate in Palm Springs in september

Climate in San Diego in september

In september, maximum temperature is 81°F and minimum temperature is 74°F (for an average temperature of 77°F). The climate quite enjoyable in that locality in september. There is no rain during this month. You will not get wet during your holidays!
With ideal weather conditions, september is an advisable time to go there in United States.

September
Average temperature 77°F
Highest temperature 81°F
Lowest temperature 74°F
Sea temperature 67°F
Rainfall 0.7in
Number of days with rainfall 1 day(s)
(4%)
Humidity 68%
Daily sunshine hours 12
Cloud cover 9%
Length of day 12:21
Our opinion at whereandwhen.net perfect
more information about the climate in San Diego in september

Climate in Yosemite National Park in september

In the month of september, maximum temperature is 70°F and minimum temperature is 52°F (for an average temperature of 61°F). The climate quite comfortable in this city in september. With barely 1in over 1 days, rainfall is infrequent during your vacations.
With a good climate, the month of september is an advisable month to go in that area in United States.

September
Average temperature 61°F
Highest temperature 70°F
Lowest temperature 52°F
Rainfall 1in
Number of days with rainfall 1 day(s)
(5%)
Humidity 42%
Daily sunshine hours 13
Cloud cover 8%
Length of day 12:24
Our opinion at whereandwhen.net good
more information about the climate in Yosemite National Park in september


All cities in California in september

Los Angeles in septemberperfect weather
San Francisco in septemberperfect weather
Palm Springs in septemberperfect weather
San Diego in septemberperfect weather
Yosemite National Park in septembergood weather
Angeles National Forest in septemberperfect weather
Anza-Borrego Desert State Park in septemberperfect weather
Big Sur in septemberperfect weather
Cambria in septemberperfect weather
Carmel-by-the-Sea in septemberperfect weather
Channel Islands National Park in septemberperfect weather
Chico in septemberperfect weather
Cleveland National Forest in septemberperfect weather
Crescent City in septembergood weather
Death Valley National Park in septembergood weather
Encinitas in septemberperfect weather
Eureka in septemberperfect weather
Furnace Creek in septembergood weather
Gaviota in septemberperfect weather
Golden Gate National Recreation Area in septemberperfect weather
Gualala in septemberperfect weather
See full list of cities (89)


Weather data for California in september:

Weather data for California in september is derived from an average of the weather forecast since 2009 in California. There is a margin of error and these forecasts are to be considered as general information only. The weather in California can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to California.


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