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When to go · Nantucket

Nantucket in September

Great month. Inside Nantucket's best window: Jun–Sep; late Apr for the Daffodil Festival, Oct for the Harvest and Arts festivals.

Key facts

Verdict
Great
Temperature
22°C (72°F) / 15°C (59°F)
average high / low
Rain days
8
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GreatBest and avoid months for Nantucket

Inside Nantucket's best window: Jun–Sep; late Apr for the Daffodil Festival, Oct for the Harvest and Arts festivals.

Is another month better than September?

No other month rates higher than September for Nantucket in this guide.

Weather in September

Long-term averages
  • NantucketHighs around 22 °C (72 °F), lows around 15 °C (59 °F), rain on about 8 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 Nantucket, side by side.

  • Verdict

    Sep: Great

    Apr: Great

  • Daytime high

    Sep: 22 °C (72 °F)

    Apr: 11 °C (52 °F)

  • Night low

    Sep: 15 °C (59 °F)

    Apr: 4 °C (39 °F)

  • Rain days

    Sep: 8 (better)

    Apr: 10

  • Crowds

    Sep: Medium

    Apr: Medium

  • Prices

    Sep: Medium

    Apr: Medium

  • Festivals listed

    Sep: 1

    Apr: 1

September: Inside Nantucket's best window: Jun–Sep; late Apr for the Daffodil Festival, Oct for the Harvest and Arts festivals.

April: Inside Nantucket's best window: Jun–Sep; late Apr for the Daffodil Festival, Oct for the Harvest and Arts festivals.

Nantucket: 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 →