Average daily temperature in San Diego for the month of September is 20. Average highs are typically 25 with lows of 19. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 20 |
| High Temperature | 25 |
| Low Temperature | 19 |
| Sunshine Per Day | 10 |
San Diego, California (USA) Weather in September FAQs
What weather can I expect?
You can expect that it will be 20 celsius but it does vary throughout the day
What is the weather like in winter?
The weather in winter is usually19 degrees celsius.
What amount of sun can I expect to see?
Approximately 10 hours of sun a day
Useful Links: San Diego Weather: Average Weather & Yearly Climate