The month in detail
What to expect in September
Autumn in Guanajuato is often underrated: 24.0°C, golden light and declining crowds. An interesting window. With 47.0% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if March (9.4/10) remains theoretically better.
September ranks 10 out of 12 months in Guanajuato. Compared to August: 5 pts fewer rainy days.
This month's conditions
What it's like in September
UV index
8 · very high
protection essential
Feels like
comfortable
12°
Daylight
12.1h of daylight
Air quality
good
AQI 26
Compare
Is September the right month?
The best month in Guanajuato is March (9.4/10), 1.7 pt higher than September.
Context
Our verdict
Guanajuato, UNESCO colonial city embedded in a mining valley at 2000m altitude. The dry season holds the tourism.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Guanajuato
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
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🎟️ Activities & tours · Guanajuato
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Mexico
🗣️LanguageSpanish
💶CurrencyMexican Peso ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthMay · 30°C
❄️Coolest monthJanuary · 22°C
🌧️Rainiest month ⓘJuly · 58%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Guanajuato ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
MexicoTemperate climate with a 9.4 → 7.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
21.02°N · 101.26°W
Questions
Frequently asked questions
What is the best time to visit Guanajuato?
March is the best month with 28.0°C highs, 12.0°C lows, 8.8h of sunshine and 4.0% rainy days. The months of March & April offer comparable conditions.
How many hours of sunshine does Guanajuato get in March?
Guanajuato averages 8.8 sunshine hours per day in March. It is the sunniest month with a climate score of 9.1/10.
What is the rainiest month in Guanajuato?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Guanajuato in March?
In March, overnight lows reach 12.0°C, while afternoon highs average 28.0°C.
Is Guanajuato good in winter?
In winter (December-February), Guanajuato scores 8.2/10 on average — Decent period conditions for cultural visits.. The best month overall remains March with a score of 9.1/10.
When should you avoid Guanajuato?
July is the most difficult month to visit Guanajuato, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Guanajuato in September?
The average UV index reaches 8 in September in Guanajuato (very high), with about 12.1h of daylight. Protection essential.