Normal weather in San Diego in September
The weather in San Diego in September has an average temperature of around 32°C during the day. On average, September sees 142 mm of rain in San Diego. The wind speed is 3 Beaufort and mainly comes from East.
After August, September in San Diego starts with a temperature of 32°C and ends around October at 32°C.
The hurricane season in San Diego lasts from early June to late November.
September averages for San Diego
Average temperature | 32°C |
Highest daytime temperature | 33°C |
Lowest daytime temperature | 31°C |
Total rainfall | 142 mm |
Rainy days | 22 days |
Temperature per day in September in San Diego
This graph shows the average daily maximum temperatures in September in San Diego, indicated in degrees Celsius.
Rainfall per day in September in San Diego
This graph shows the average daily rainfall in September in San Diego, indicated in millimeters.
UV index per day in September in San Diego
This graph shows the average daily UV index in September in San Diego.
Yearly temperature in September in San Diego
This graph shows the average yearly temperature in September in San Diego, measured in degrees Celsius, over the past years.
Yearly total rainfall in September in San Diego
This graph shows the average yearly rainfall in millimeters in September in San Diego, over the past years.
Average daily weather in September
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Experiences with the weather in September in San Diego
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Average weather in San Diego per month
Click on a month below to see in detail how the weather typically is in San Diego and what to expect. Based on the historical weather data of San Diego, you can view the average temperature, rainfall, wind, and UV index for each day of the month.