Pack or skip
Packable down jacket for Great Neck in September
Verdict
Optional
Handy for evening chills; skip if you're tight on space.
Why
Great Neck in September averages highs of 75°F, lows of 59°F, 8 rainy days.
That climate makes a packable down jacket a judgment call. Handy for evening chills; skip if you're tight on space.