Pack or skip
Sun hat for Arlington in September
Verdict
Pack it
Midday temps around 89°F — a brim beats reapplying sunscreen every hour.
Why
Arlington in September averages highs of 89°F, lows of 70°F, 7 rainy days.
That climate means a sun hat earns its space in the bag. Midday temps around 89°F — a brim beats reapplying sunscreen every hour.