Last updated: March 2, 2024
The weather in Tonalapan, Mexico, during September is characterized by an average temperature of 27°C (81°F). Highs can soar to 33°C (91°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Tonalapan throughout September hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Tonalapan averages 322 mm (12.7 inches) of rainfall, typically over the course of 26 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 9 hours 23 minutes each day. Additionally, there is a 18% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Tonalapan 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 | 0 | 1 | 2 | 5 | 9 | 11 | 13 | 12 | 10 | 7 | 3 | 1 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||