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When to go · Sea Isle City

Sea Isle City 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
26°C (79°F) / 18°C (64°F)
average high / low
Rain days
8
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
  • Sea Isle CityHighs around 26 °C (79 °F), lows around 18 °C (64 °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 Sea Isle City, side by side.

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 26 °C (79 °F)

    Jun: 27 °C (81 °F)

  • Night low

    Sep: 18 °C (64 °F)

    Jun: 18 °C (64 °F)

  • Rain days

    Sep: 8

    Jun: 7 (better)

  • 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 Sea Isle City's best window: Jun–Aug (warm beach weather).

Sea Isle City: 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 →