Pack or skip
Packable down jacket for Las Vegas in September
Verdict
Skip it
Lows around 71°F — you'll never reach for it.
Why
Las Vegas in September averages highs of 95°F, lows of 71°F, 2 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 71°F — you'll never reach for it.