Last updated: March 2, 2024
The weather in West Bay, Cayman Islands, during September is characterized by an average temperature of 28°C (83°F). Highs can soar to 30°C (86°F), while lows may dip to 26°C (79°F). Typically, the humidity level in West Bay throughout September hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, West Bay averages 102 mm (4.0 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 10 hours 43 minutes each day. Additionally, there is a 52% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in West Bay reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 2 | 5 | 8 | 11 | 12 | 12 | 10 | 7 | 4 | 1 | 1 | 0 |
| 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 | |||||