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.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Temperature Statistics

September Temperature

Bryce Canyon Airport (42.3 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    59.6 °F

  • Highest 1 September, 2025

    81 °F

Climate (2020–Present)

Bryce Canyon Airport (42.3 miles)

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  • Average Low 2020–2025

    28.4 °F

  • Average 2020–2025

    44.4 °F

  • Average High 2020–2025

    58.4 °F
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