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When to go · Lewistown, Montana

Lewistown, Montana in September

Great month. Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

Key facts

Verdict
Great
Temperature
23°C (73°F) / 6°C (43°F)
average high / low
Rain days
7
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GreatBest and avoid months for Lewistown, Montana

Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

Is another month better than September?

No other month rates higher than September for Lewistown, Montana in this guide.

Weather in September

Long-term averages
  • Lewistown, MontanaHighs around 23 °C (73 °F), lows around 6 °C (43 °F), rain on about 7 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Labor Day big impact

    1st Monday of September · United States

    End of summer; last big road-trip weekend.

Crowds and prices

Crowds · United States overall
Medium
Prices · United States overall
Medium

United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.

Compare two months

Weather, crowds and prices for any two months in Lewistown, Montana, side by side.

  • Verdict

    Sep: Great

    Jan: Great

  • Daytime high

    Sep: 23 °C (73 °F)

    Jan: 1 °C (34 °F)

  • Night low

    Sep: 6 °C (43 °F)

    Jan: -11 °C (12 °F)

  • Rain days

    Sep: 7

    Jan: 7

  • Crowds

    Sep: Medium

    Jan: Low

  • Prices

    Sep: Medium

    Jan: Low

  • Festivals listed

    Sep: 1

    Jan: 0

September: Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

January: Inside Lewistown, Montana's best window: Jun–Sep for hiking, fishing and trails; late Jan for the Montana Winter Fair.

Lewistown, Montana: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across United States in September →