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When to go · Monterey, California

Monterey, California in September

Great month. Inside Monterey, California's best window: Sep–Oct (warmest, clearest); Apr–May for whales.

Key facts

Verdict
Great
Temperature
20°C (68°F) / 12°C (54°F)
average high / low
Rain days
2
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GreatBest and avoid months for Monterey, California

Inside Monterey, California's best window: Sep–Oct (warmest, clearest); Apr–May for whales.

Is another month better than September?

No other month rates higher than September for Monterey, California in this guide.

Weather in September

Long-term averages
  • Monterey, CaliforniaHighs around 20 °C (68 °F), lows around 12 °C (54 °F), rain on about 2 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 Monterey, California, side by side.

  • Verdict

    Sep: Great

    Apr: Great

  • Daytime high

    Sep: 20 °C (68 °F)

    Apr: 16 °C (61 °F)

  • Night low

    Sep: 12 °C (54 °F)

    Apr: 9 °C (48 °F)

  • Rain days

    Sep: 2 (better)

    Apr: 6

  • Crowds

    Sep: Medium

    Apr: Medium

  • Prices

    Sep: Medium

    Apr: Medium

  • Festivals listed

    Sep: 1

    Apr: 1

September: Inside Monterey, California's best window: Sep–Oct (warmest, clearest); Apr–May for whales.

April: Inside Monterey, California's best window: Sep–Oct (warmest, clearest); Apr–May for whales.

Monterey, California: 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 →