Pack or skip
Rain jacket for Michigan City in September
Verdict
Pack it
Around 8 rainy days — a shell keeps you moving between subway stops.
Why
Michigan City in September averages highs of 73°F, lows of 55°F, 8 rainy days.
That climate means a rain jacket earns its space in the bag. Around 8 rainy days — a shell keeps you moving between subway stops.