Fairfax Weather Forecast

    • 58
    • 66

    Rain Showers Likely

    • 56
    • 62

    Rain Showers

    • 56
    • 68

    Mostly Cloudy

    • 58
    • 69

    Mostly Cloudy

    • 52
    • 63

    Rain Showers Likely

    • 50
    • 61

    Slight Chance Rain Showers

Today 25 Sep Renville

Cloudy. Patchy fog in the morning. Highs in the mid 60s. Southeast Winds 5 to 15 Mph.

Tonight 25 Sep Renville

Mostly cloudy. A 50 percent chance of rain Showers after midnight. Lows in the upper 50s. Southeast Winds 5 to 15 Mph.

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Fairfax Temperature Statistics

September Temperature

New Ulm Municipal Airport (17.4 miles)

  • Lowest 16 September, 2026

    46.4 °F

  • Average September

    66.9 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

New Ulm Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57 °F
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