Last updated: March 2, 2024
The weather in Guanajuato, Mexico, during September is characterized by an average temperature of 25°C (77°F). Highs can soar to 31°C (89°F), while lows may dip to 20°C (69°F). Typically, the humidity level in Guanajuato throughout September hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Guanajuato averages 391 mm (15.4 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 12 hours 11 minutes of daylight, with the sun shining for approximately 9 hours 36 minutes each day. Additionally, there is a 15% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Guanajuato reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 3 | 6 | 9 | 12 | 13 | 12 | 10 | 6 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||