September · Mexico
Best time to visit Guanajuato in September Weather, crowds & prices
Weather in Guanajuato in September
Average temperature 19°C, 76 mm of rain, about 26 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.6/10
Ranked #10 of 12 months
- Avg temp
- 19°C
- Rainfall
- 76 mm
- Humidity
- 69%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Guanajuato scores 8.6/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 19°C, 76 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Guanajuato's candy-coloured houses, tunnels and mummy museum fill a ravine in Mexico's silver country.
September in Guanajuato — one of the year's strongest windows (10th)
At 19°C (67°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 76 mm of rain this month — a flexible day or two helps — with about 26 days with 6+ hours of sunshine and 12.1 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Guanajuato at 8.6/10 (10th of 12), just behind February at 9.8/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Guanajuato in September?
- In September, Guanajuato averages 19°C, 76 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is September a good time to visit Guanajuato?
- September earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Guanajuato in September?
- Expect about 76 mm of rain in September. Average humidity is 69% and there are about 26 days with 6+ hours of sunshine.
Curated in Guanajuato
Tickets & experiences
Things to do in Guanajuato
Guanajuato, Mexico. Live activities and tours from GetYourGuide, matched to this destination.