Typical Weather in Appleton, WI in September
72° F Avg High
51° F Avg Low
6 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Compared to other months, Appleton experiences cooler conditions in September, with daytime highs averaging 72°F. You can expect overnight lows near 51°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 75°F and 64°F.
September is a great time to visit Appleton, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 20% chance of rain for any given day in September. It's one of the rainier months of the year for Appleton, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
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