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When to go · Old Lyme

Old Lyme in September

Good month. Outside the best window (Jun–Aug (warm beach weather)). 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) / 14°C (57°F)
average high / low
Rain days
11
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GoodUnited States month rating

Outside the best window (Jun–Aug (warm beach weather)). 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
  • Old LymeHighs around 23 °C (73 °F), lows around 14 °C (57 °F), rain on about 11 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 Old Lyme, side by side.

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 23 °C (73 °F)

    Jun: 25 °C (77 °F)

  • Night low

    Sep: 14 °C (57 °F)

    Jun: 16 °C (61 °F)

  • Rain days

    Sep: 11 (better)

    Jun: 12

  • Crowds

    Sep: Medium

    Jun: High

  • Prices

    Sep: Medium

    Jun: High

  • Festivals listed

    Sep: 1

    Jun: 0

September: Outside the best window (Jun–Aug (warm beach weather)). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.

June: Inside Old Lyme's best window: Jun–Aug (warm beach weather).

Old Lyme: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across United States in September →