September 2026 Weather | St. George, Utah

Tue 9/1
Cloudy Weather
Day 91°
Night 63°
Wed 9/2
Cloudy Weather
Day 90°
Night 61°
Thu 9/3
Cloudy Weather
Day 90°
Night 63°
Fri 9/4
Cloudy Weather
Day 90°
Night 64°
Sat 9/5
Cloudy Weather
Day 91°
Night 63°
Sun 9/6
Rainy Weather
Day 93°
Night 64°
Mon 9/7
Cloudy Weather
Day 91°
Night 63°
Tue 9/8
Sunny Weather
Day 93°
Night 64°
Wed 9/9
Sunny Weather
Day 97°
Night 66°
Thu 9/10
Rainy Weather
Day 95°
Night 68°
Fri 9/11
Cloudy Weather
Day 90°
Night 61°
Sat 9/12
Sunny Weather
Day 91°
Night 64°
Sun 9/13
Cloudy Weather
Day 91°
Night 64°
Mon 9/14
Sunny Weather
Day 90°
Night 64°
Tue 9/15
Cloudy Weather
Day 91°
Night 66°
Wed 9/16
Cloudy Weather
Day 91°
Night 66°
Thu 9/17
Cloudy Weather
Day 91°
Night 63°
Fri 9/18
Cloudy Weather
Day 88°
Night 61°
Sat 9/19
Cloudy Weather
Day 88°
Night 63°
Sun 9/20
Cloudy Weather
Day 90°
Night 63°
Mon 9/21
Cloudy Weather
Day 91°
Night 64°
Tue 9/22
Cloudy Weather
Day 91°
Night 63°
Wed 9/23
Rainy Weather
Day 84°
Night 57°
Thu 9/24
Cloudy Weather
Day 82°
Night 55°
Fri 9/25
Sunny with a Chance of Thunderstorms
Day 88°
Night 52°
Sat 9/26
Cloudy Weather
Day 82°
Night 52°
Sun 9/27
Cloudy Weather
Day 81°
Night 46°
Mon 9/28
Rainy Weather
Day 79°
Night 48°
Tue 9/29
Sunny Weather
Day 82°
Night 50°
Wed 9/30
Sunny Weather
Day 82°
Night 52°