Last updated: March 2, 2024
The weather in San Martin, Mexico, during September is characterized by an average temperature of 17°C (62°F). Highs can soar to 25°C (78°F), while lows may dip to 9°C (49°F). Typically, the humidity level in San Martin throughout September hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, San Martin averages 149 mm (5.9 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 9 hours 27 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in San Martin reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 | 0 | 1 | 2 | 4 | 7 | 11 | 13 | 14 | 12 | 9 | 6 | 3 | 1 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||