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When to go · Mount Vernon

Mount Vernon in September

Good month. Outside the best window (Apr (Tulip Festival), Jul (Highland Games)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.

Key facts

Verdict
Good
Temperature
23°C (73°F) / 13°C (55°F)
average high / low
Rain days
6
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GoodUnited States month rating

Outside the best window (Apr (Tulip Festival), Jul (Highland Games)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • Mount VernonHighs around 23 °C (73 °F), lows around 13 °C (55 °F), rain on about 6 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 Mount Vernon, side by side.

  • Verdict

    Sep: Good

    Apr: Great (better)

  • Daytime high

    Sep: 23 °C (73 °F)

    Apr: 15 °C (59 °F)

  • Night low

    Sep: 13 °C (55 °F)

    Apr: 6 °C (43 °F)

  • Rain days

    Sep: 6 (better)

    Apr: 7

  • Crowds

    Sep: Medium

    Apr: Medium

  • Prices

    Sep: Medium

    Apr: Medium

  • Festivals listed

    Sep: 1

    Apr: 1

September: Outside the best window (Apr (Tulip Festival), Jul (Highland Games)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.

April: Inside Mount Vernon's best window: Apr (Tulip Festival), Jul (Highland Games).

Mount Vernon: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across United States in September →