California in september: average Weather, Temperature and Climate, Where to go?
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.
Average weather in september in Los Angeles
perfect weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
84% of time
12%
3%
3%
Weather at 12pm
86°F
Clear/Sunny
89% of time
8%
3%
2%
Weather at 6pm
77°F
Clear/Sunny
89% of time
9%
3%
1%
Weather at 3am
70°F
88%
8%
3%
2%
More information about the weather in Los Angeles in september
Where to go in California in september?
Where to go in California in september: destination map
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 |
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 |
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 |
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 |
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 |
All cities in California in september
| Los Angeles in september | perfect weather |
| San Francisco in september | perfect weather |
| Palm Springs in september | perfect weather |
| San Diego in september | perfect weather |
| Yosemite National Park in september | good weather |
| Angeles National Forest in september | perfect weather |
| Anza-Borrego Desert State Park in september | perfect weather |
| Big Sur in september | perfect weather |
| Cambria in september | perfect weather |
| Carmel-by-the-Sea in september | perfect weather |
| Channel Islands National Park in september | perfect weather |
| Chico in september | perfect weather |
| Cleveland National Forest in september | perfect weather |
| Crescent City in september | good weather |
| Death Valley National Park in september | good weather |
| Encinitas in september | perfect weather |
| Eureka in september | perfect weather |
| Furnace Creek in september | good weather |
| Gaviota in september | perfect weather |
| Golden Gate National Recreation Area in september | perfect weather |
| Gualala in september | perfect weather |
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.