Pack or skip
Sun hat for Philadelphia in September
Verdict
Pack it
Midday temps around 78°F — a brim beats reapplying sunscreen every hour.
Why
Philadelphia in September averages highs of 78°F, lows of 58°F, 8 rainy days.
That climate means a sun hat earns its space in the bag. Midday temps around 78°F — a brim beats reapplying sunscreen every hour.