Last updated: March 2, 2024
The weather in Primero de Mayo, Mexico, during September is characterized by an average temperature of 28°C (84°F). Highs can soar to 39°C (102°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Primero de Mayo throughout September hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Primero de Mayo averages 70 mm (2.8 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 14 minutes of daylight, with the sun shining for approximately 10 hours 3 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 Primero de Mayo reaches a maximum of 12, 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 | 4 | 7 | 10 | 12 | 12 | 10 | 7 | 4 | 2 | 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 | ||||