Boulder Weather Forecast
- 50
- 75
Mostly Sunny
- 54
- 74
Partly Sunny
- 53
- 72
Chance Rain Showers
- 52
- 73
Slight Chance Thunderstorms
- 53
- 75
Slight Chance Thunderstorms
- 55
- 77
Mostly Sunny
Today 17 Sep South Central Utah
Sunny. Highs in the mid 80s.
Tonight 17 Sep South Central Utah
Mostly clear. Lows around 50.
Boulder Temperature Statistics
September Temperature
Bryce Canyon Airport (42.3 miles)
Lowest 14 September, 2025
34 °FAverage September
58.2 °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
58.3 °F