Pack or skip
Beanie for Tucson in September
Verdict
Skip it
Lows near 68°F — no scenario where you'll want one.
Why
Tucson in September averages highs of 92°F, lows of 68°F, 7 rainy days.
That climate means a beanie isn't pulling its weight. Lows near 68°F — no scenario where you'll want one.