Typical Weather in St Joseph, MO in September
80° F Avg High
55° F Avg Low
5 Rainy Days
☀️ Temperature Summary
September is a popular time to visit, with an inviting climate featuring warm temperatures. Compared to other months, St Joseph experiences cooler conditions in September, with daytime highs averaging 80°F. You can expect overnight lows near 55°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 84°F and 73°F.
September is a great time to visit St Joseph, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 16% chance of rain for any given day in September. It's one of the rainier months of the year for St Joseph, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
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