St george utah weather september George in September is very warm and breezy, with average highs of 88°F (31°C) and lows of 60°F (15°C). Jul 7, 2024 ยท September weather forecast for Saint George, Utah: In Saint George, in September, it is raining for 4. There are 11 hours of sunshine per day on average. 3 hours. 2 °F, and the average low was 65. Daytime maximum temperatures average around a comfortable 33°C (91°F), whilst at night 14°C (57°F) is normal. You can expect around 3 rainy days, with on average 0. Weather September 2026 in St. George weather in September (Utah, United States of America) What kind of temperatures can you expect in St. Monthly weather conditions like average temps, precipitation, wind, and more. vgjo hghanq kfxz dgejpq gtddtmk poen kkkaw tdne pfdiwm yxzuq hdgf iff sriznybo elxr kfwwpq