Weather in San Miguel de Allende in September
San Miguel de Allende, Mexico averages a high of 24°C (75.2°F) and low of 14.2°C (57.6°F) in September, with 12 rain days and 10.1 hours of daily sunshine. Travel score: 78.9/100 (Good). The best time to visit San Miguel de Allende is March.
High
24°C75°F
Low
14°C58°F
🌧️
12
rain days
☀️
10.1
hrs/day sunshine
💧
75%
humidity
79— Good
September in San Miguel de Allende is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in San Miguel de Allende?
How much does it rain in San Miguel de Allende in September?
San Miguel de Allende receives an average of 98.9mm of rainfall across 12 rainy days in September. The annual total is 535.7mm.
What should I pack for San Miguel de Allende in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Mexico in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31