San Diego Rain 2025. A risky day is not a direct prediction of precipitation (rain/snow) but instead a forecast of ideal conditions for a storm to enter the region. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.7 ยฐ.
Use daily or detailed buttons to view daily weather forecasts for a specific month,. Discover the most accurate weather forecast for san diego in september 2025.