Pack or skip
Flip-flops for Phoenix in September
Verdict
Pack it
Highs around 99°F — perfect flip-flop weather.
Why
Phoenix in September averages highs of 99°F, lows of 75°F, 3 rainy days.
That climate means flip-flops earns its space in the bag. Highs around 99°F — perfect flip-flop weather.