The weather in Kansas City at the end of September is usually warm during the day and comfortably cooler in the evenings, making it a great time for fans to enjoy the NASCAR action at Kansas Speedway.
Daytime highs generally reach the mid-70s to low 80s °F (24–28 °C).
Nighttime lows often drop into the mid-50s to low 60s °F (13–17 °C).
During the day, fans can expect mild warmth with moderate humidity. Skies are often partly cloudy, and while dry conditions are common, the chance of a stray shower still exists.
By evening, temperatures cool noticeably once the sun sets. A light jacket or hoodie is a good idea if you’re sitting in the grandstands or walking around open areas of the Speedway.
September tends to be drier than the peak summer months, but Kansas City still averages around 3 inches (75 mm) of rainfall for the month. Showers or isolated thunderstorms may pop up, most often in the late afternoon. Rain delays are less frequent than earlier in the season, though it’s smart to pack a poncho or rain jacket just in case.
Breezes at Kansas Speedway are typically light to moderate (around 5–10 mph / 8–16 km/h). Gusts can occasionally pick up, especially before or after a passing shower, but overall conditions are usually manageable.
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