Last updated: March 2, 2024
The weather in Matawan, United States, during September is characterized by an average temperature of 21°C (71°F). Highs can soar to 31°C (89°F), while lows may dip to 11°C (53°F). Typically, the humidity level in Matawan throughout September hovers around 68%.
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Average temperature
Maximum temperature
Humidity
In September, Matawan averages 91 mm (3.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 24 minutes of daylight, with the sun shining for approximately 9 hours 18 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Matawan reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 2 | 4 | 6 | 7 | 8 | 7 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||