Last updated: March 2, 2024
The weather in Willow Grove, Australia, during September is characterized by an average temperature of 10°C (50°F). Highs can soar to 24°C (75°F), while lows may dip to 0°C (32°F). Typically, the humidity level in Willow Grove throughout September hovers around 77%.
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Humidity
In September, Willow Grove averages 94 mm (3.7 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 11 hours 50 minutes of daylight, with the sun shining for approximately 8 hours 40 minutes each day. Additionally, there is a 35% probability of sunny days during this period.
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In September, the UV Index in Willow Grove reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 25 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 | 3 | 5 | 7 | 7 | 7 | 5 | 3 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||