Last updated: March 2, 2024
The weather in Trostberg an der Alz, Germany, during September is characterized by an average temperature of 15°C (59°F). Highs can soar to 27°C (80°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Trostberg an der Alz throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, Trostberg an der Alz averages 103 mm (4.0 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 31 minutes of daylight, with the sun shining for approximately 10 hours 3 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Trostberg an der Alz reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||