Pack or skip
Insect repellent for New York in September
Verdict
Pack it
Warm (76°F) plus 9 rainy days = mosquito conditions.
Why
New York in September averages highs of 76°F, lows of 61°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (76°F) plus 9 rainy days = mosquito conditions.