September 12 sees frequent showers in Guanajuato. Historical data shows a 40% chance of rain, so pack accordingly. Temperatures average 24°C. Guanajuato is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Guanajuato
Currency
MXN
$ Mexican peso
Language
Spanish
Driving
Right side
Safety
Travel Precautions
GPI: 2.612
Guanajuato Weather Forecast for September 12
"Mild & Comfortable. Expect average highs of 23.8°C. 40% chance of rain."
What to Wear in Guanajuato in September
Based on historical data for September 12, Guanajuato typically experiences temperatures between 13.8°C and 23.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 40% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Guanajuato
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
23.8°C
Daytime Peak
Average Low
13.8°C
Nighttime Low
Feels Like
24.4°C
☀️ Feels accurate
Rain Chance
40%
Avg 3.4mm if it rains
Cloud Cover
67%
Light drizzle
Pressure
1015.5 hPa
Low volatility
Guanajuato Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 22 min to burn
Type III-IV
🟡 33 min to burn
Type V-VI
🟢 55 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.4°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Mexico
Flight Traffic
High
89/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~33
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Guanajuato
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:32
☀️ Noon
12:42
🌇 Sunset
18:52
⏱️ Daylight
12h 19m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
10.6 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Guanajuato
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Guanajuato
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Guanajuato on September 12 averages 23.8°C with a 40% precipitation probability. Wedding/Outdoor Event Score: 88/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Guanajuato Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 19
24.2°C • 33% rain
Score
92
September 14
23.9°C • 37% rain
Score
90
September 15
23.9°C • 37% rain
Score
90
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 12) in other destinations
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📍 Is Guanajuato Worth Visiting on September 12?
Planning a trip to Guanajuato on September 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 23.8°C with a 40% historical precipitation risk.
✈️ Travel Logistics: Approximately 33 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Mexico, including COVID-19.
📊 Historical Extremes: The hottest September 12 recorded in the last 30 years saw temperatures hit 28.9°C in 2023, while the coldest dropped to 10.3°C in 2017.