Last updated: March 2, 2024
The weather in Arroyo Seco, Mexico, during September is characterized by an average temperature of 20°C (69°F). Highs can soar to 30°C (86°F), while lows may dip to 13°C (56°F). Typically, the humidity level in Arroyo Seco throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Arroyo Seco averages 135 mm (5.3 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 13 minutes of daylight, with the sun shining for approximately 9 hours 49 minutes each day. Additionally, there is a 26% probability of sunny days during this period.
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In September, the UV Index in Arroyo Seco 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 | 8 | 11 | 13 | 14 | 12 | 9 | 5 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||