Pack or skip
Sun hat for San Antonio in September
Verdict
Pack it
Midday temps around 91°F — a brim beats reapplying sunscreen every hour.
Why
San Antonio in September averages highs of 91°F, lows of 70°F, 7 rainy days.
That climate means a sun hat earns its space in the bag. Midday temps around 91°F — a brim beats reapplying sunscreen every hour.