Pack or skip
Sunscreen for Santa Fe in September
Verdict
Pack it
Sun still finds you at 77°F — UV doesn't care about temperature.
Why
Santa Fe in September averages highs of 77°F, lows of 47°F, 6 rainy days.
That climate means sunscreen earns its space in the bag. Sun still finds you at 77°F — UV doesn't care about temperature.