San Diego Weather: September
 |
Average Day Temperature: | 81.1°F |
|
Average Night Temperature: | 69.6°F |
|
Sea Water Temperature: | 71.3°F |
|
Number of Sunny Days: | 20 days |
| Sunshine Hours: | 11.9 - 12.8 hours | |
|
Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.1 in | |
| detailed information | ||
forecast
| San Diego |
Temperature
| San Diego |
Air Temperature in September, °F
The highest day temperature in September 2024 was 93°F. The lowest night temperature was 61°F. The average values for day and night temperatures during September were 77.9°F и 69.5°F respectivly.
San Diego Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for San Diego was 71.3°F. The maximum and minimum values were 66.4°F and 74.4°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for San Diego is 0.1 in. It makes september the least rainy month of the year.
The average wind speed in September is 6.6 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Diego in September is 9.5 hours.
San Diego on the Weather Map
| Boston |  |
+10 |
| Chicago |  |
+20 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+46 |
| Las Vegas | |
+50 |
| Los Angeles | |
+54 |
| Miami | |
+62 |
| New York | |
+16 |
| Orlando | |
+50 |
| San Diego | |
+54 |
| San Francisco | |
+54 |
| Sarasota | |
+48 |
| Tampa | |
+46 |
| Washington |  |
+20 |
| 0300 |  |
54°F | S 5 mph |
| 0600 | |
52°F | S 5 mph |
| 0900 | |
54°F | SE 2 mph |
| 1200 |  |
60°F | E 1 mph |
| 1500 | |
64°F | E 7 mph |
| 1800 | |
62°F | E 3 mph |
| 2100 | |
60°F | E 3 mph |
| 0000 | |
58°F | N 2 mph |