Pack or skip
Sunglasses for San Diego in October
Verdict
Pack it
Highs around 77°F — plenty of daylight glare.
Why
San Diego in October averages highs of 77°F, lows of 63°F, 2 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 77°F — plenty of daylight glare.