Last updated: March 2, 2024
The weather in Santa Rosa (Santa Barbara), Mexico, during September is characterized by an average temperature of 17°C (63°F). Highs can soar to 26°C (78°F), while lows may dip to 11°C (53°F). Typically, the humidity level in Santa Rosa (Santa Barbara) throughout September hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Santa Rosa (Santa Barbara) averages 332 mm (13.1 inches) of rainfall, typically over the course of 28 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 8 hours 44 minutes each day. Additionally, there is a 15% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Santa Rosa (Santa Barbara) 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 | 0 | 1 | 2 | 4 | 8 | 12 | 14 | 14 | 13 | 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 | ||||||