Last updated: March 2, 2024
The weather in Nueva Costa Rica, Mexico, during September is characterized by an average temperature of 23°C (74°F). Highs can soar to 30°C (86°F), while lows may dip to 18°C (65°F). Typically, the humidity level in Nueva Costa Rica throughout September hovers around 80%.
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Average temperature
Maximum temperature
Humidity
In September, Nueva Costa Rica averages 412 mm (16.2 inches) of rainfall, typically over the course of 30 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 13% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Nueva Costa Rica reaches a maximum of 14, 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 | 10 | 12 | 14 | 13 | 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 | ||||