Normal weather in California in September
The weather in California in September has an average temperature of around 33°C during the day. On average, September sees 112 mm of rain in California. The wind speed is 3 Beaufort and mainly comes from East.
After August, September in California starts with a temperature of 33°C and ends around October at 34°C.
The hurricane season in California lasts from early June to late November.
September averages for California
 Average temperature | 33°C |
 Highest daytime temperature | 35°C |
| Lowest daytime temperature | 32°C |
 Total rainfall | 112 mm |
| Rainy days | 18 days |
Temperature per day in September in California
This graph shows the average daily maximum temperatures in September in California, indicated in degrees Celsius.
Rainfall per day in September in California
This graph shows the average daily rainfall in September in California, indicated in millimeters.
UV index per day in September in California
This graph shows the average daily UV index in September in California.
Yearly temperature in September in California
This graph shows the average yearly temperature in September in California, measured in degrees Celsius, over the past years.
Yearly total rainfall in September in California
This graph shows the average yearly rainfall in millimeters in September in California, over the past years.
Average daily weather in September
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Experiences with the weather in September in California
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Average weather in California per month
Click on a month below to see in detail how the weather typically is in California and what to expect. Based on the historical weather data of California, you can view the average temperature, rainfall, wind, and UV index for each day of the month.