River Place Weather Forecast

    • 60
    • 79

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 55
    • 73

    Rain Showers Likely

    • 62
    • 73

    Rain Showers Likely

    • 56
    • 74

    Chance Rain Showers

    • 56
    • 68

    Mostly Cloudy

Today 11 Sep Waukesha

Sunny. Highs in the upper 70s. South Winds up to 10 Mph.

Tonight 11 Sep Waukesha

Partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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River Place Temperature Statistics

September Temperature

Waukesha County Airport (5 miles)

  • Lowest 6 September, 2026

    59 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Waukesha County Airport (5 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    56.6 °F
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