Boulder Weather Forecast
- 53
- 74
Mostly Sunny
- 55
- 77
Mostly Sunny
- 55
- 79
Mostly Sunny
- 55
- 78
Mostly Sunny
- 57
- 78
Partly Sunny
- 54
- 72
Chance Thunderstorms
Today 14 Sep South Central Utah
Sunny. Highs in the lower 80s.
Tonight 14 Sep South Central Utah
Mostly clear. Lows around 50.
Boulder Temperature Statistics
September Temperature
Bryce Canyon Airport (42.3 miles)
Lowest 8 September, 2025
39 °FAverage September
59.6 °FHighest 1 September, 2025
81 °F
Climate (2020–Present)
Bryce Canyon Airport (42.3 miles)
Average Low 2020–2025
28.4 °FAverage 2020–2025
44.4 °FAverage High 2020–2025
58.4 °F