Pack or skip
Sunglasses for Lucerne in September
Verdict
Pack it
Highs around 65°F — plenty of daylight glare.
Why
Lucerne in September averages highs of 65°F, lows of 49°F, 10 rainy days.
That climate means sunglasses earns its space in the bag. Highs around 65°F — plenty of daylight glare.