Pack or skip
Insect repellent for Harrison in September
Verdict
Pack it
Warm (78°F) plus 9 rainy days = mosquito conditions.
Why
Harrison in September averages highs of 78°F, lows of 62°F, 9 rainy days.
That climate means insect repellent earns its space in the bag. Warm (78°F) plus 9 rainy days = mosquito conditions.