Last updated: March 2, 2024
The weather in Grabowo Koscierskie, Poland, during September is characterized by an average temperature of 14°C (57°F). Highs can soar to 27°C (82°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Grabowo Koscierskie throughout September hovers around 81%.
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In September, Grabowo Koscierskie averages 70 mm (2.8 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 38 minutes of daylight, with the sun shining for approximately 10 hours 13 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
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In September, the UV Index in Grabowo Koscierskie reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 3 | 4 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||