Cool and autumn-like weather conditions are prevailing across various regions, with temperatures notably below average for early September. Louisville is experiencing lows in the 40s and highs in the mid-70s, with a return to the 90s expected next week. Similarly, Kansas enjoys a pleasant weekend with temperatures in the upper 70s to low 80s, though a slight warm-up is expected as high pressure moves eastward. Coastal areas are seeing foggy mornings but clear afternoons with temperatures ranging from the mid-60s to low 90s inland. The northern regions will see a big warm-up after a cool Saturday, with temperatures climbing to the mid-70s on Sunday. Fall officially begins on Sept. 22, 2024, marked by the autumnal equinox, with daylight saving time ending on Nov. 3.