Last updated: March 2, 2024
The weather in Siemiatkowo, Poland, during September is characterized by an average temperature of 14°C (58°F). Highs can soar to 28°C (83°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Siemiatkowo throughout September hovers around 75%.
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Average temperature
Maximum temperature
Humidity
In September, Siemiatkowo averages 81 mm (3.2 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 37 minutes of daylight, with the sun shining for approximately 9 hours 43 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 Siemiatkowo reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 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 | 5 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||