Summerlin South Weather Forecast

    • 71
    • 95

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 86

    Sunny

    • 67
    • 86

    Mostly Sunny

    • 68
    • 89

    Sunny

    • 68
    • 90

    Sunny

Today 8 Sep Las Vegas Valley

Sunny. Highs 94 to 98 on the west side. Around 100 on the east side. Southwest Winds 10 to 15 Mph.

Tonight 8 Sep Las Vegas Valley

Mostly clear. Lows 70 to 74 on the west side. 75 to 78 on the east side. Southwest Winds 5 to 15 Mph.

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Summerlin South Temperature Statistics

September Temperature

Las Vegas, North Las Vegas Airport (8.7 miles)

  • Lowest 6 September, 2025

    71.1 °F

  • Average September

    87 °F

  • Highest 1 September, 2025

    104 °F

Climate (2020–Present)

Las Vegas, North Las Vegas Airport (8.7 miles)

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  • Average Low 2020–2025

    60.8 °F

  • Average 2020–2025

    71.7 °F

  • Average High 2020–2025

    82.5 °F
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