Last updated: March 2, 2024
The weather in State College, United States, during September is characterized by an average temperature of 19°C (66°F). Highs can soar to 31°C (88°F), while lows may dip to 6°C (44°F). Typically, the humidity level in State College throughout September hovers around 67%.
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Average temperature
Maximum temperature
Humidity
In September, State College averages 122 mm (4.8 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 8 hours 45 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in State College 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 | 6 | 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 | ||||||