Last updated: March 2, 2024
The weather in Trutnov, Czech Republic, during September is characterized by an average temperature of 13°C (56°F). Highs can soar to 26°C (79°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Trutnov throughout September hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In September, Trutnov averages 77 mm (3.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 33 minutes of daylight, with the sun shining for approximately 10 hours 20 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Trutnov 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 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||