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When to go · San Miguel de Allende

San Miguel de Allende in September

Avoid month. Listed as a month to avoid: Jun–Sep (rainy season, afternoon downpours).

Key facts

Verdict
Avoid
Temperature
26°C (79°F) / 12°C (54°F)
average high / low
Rain days
10
Crowds
Low
Mexico overall
Prices
Low
Mexico overall

Verdict

AvoidBest and avoid months for San Miguel de Allende

Listed as a month to avoid: Jun–Sep (rainy season, afternoon downpours).

Is another month better than September?

September is rated avoid. These months rate higher:

Weather in September

Long-term averages
  • San Miguel de AllendeHighs around 26 °C (79 °F), lows around 12 °C (54 °F), rain on about 10 days
  • Central highlands, Mexico · Mexico City, Puebla, Oaxaca, San Miguel de Allende, Guanajuatorainy

    Dry, sunny and mild Nov–Apr with cold nights (near 5 °C (41 °F) in Dec–Jan); afternoon storms May–Oct, mornings usually clear. Air quality in Mexico City is worst Feb–May.

Crowds and prices

Crowds · Mexico overall
Low
Prices · Mexico overall
Low

Mexico overall: Peak hurricane month on both coasts; Independence Day (16 Sep) parties.

Compare two months

Weather, crowds and prices for any two months in San Miguel de Allende, side by side.

  • Verdict

    Sep: Avoid

    Jan: Great (better)

  • Daytime high

    Sep: 26 °C (79 °F)

    Jan: 22 °C (72 °F)

  • Night low

    Sep: 12 °C (54 °F)

    Jan: 5 °C (41 °F)

  • Rain days

    Sep: 10

    Jan: 2 (better)

  • Crowds

    Sep: Low

    Jan: High

  • Prices

    Sep: Low

    Jan: High

  • Festivals listed

    Sep: 0

    Jan: 0

September: Listed as a month to avoid: Jun–Sep (rainy season, afternoon downpours).

January: Inside San Miguel de Allende's best window: Oct–May (dry, clear).

San Miguel de Allende: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm layer for the evenings
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Mexico in September →