Pack or skip
Flip-flops for San Diego in September
Verdict
Pack it
Highs around 81°F — perfect flip-flop weather.
Why
San Diego in September averages highs of 81°F, lows of 68°F, 1 rainy days.
That climate means flip-flops earns its space in the bag. Highs around 81°F — perfect flip-flop weather.