Last updated: March 2, 2024
The weather in Kollumerzwaag, Netherlands, during September is characterized by an average temperature of 15°C (59°F). Highs can soar to 25°C (78°F), while lows may dip to 7°C (44°F). Typically, the humidity level in Kollumerzwaag throughout September hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In September, Kollumerzwaag averages 73 mm (2.9 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 37 minutes of daylight, with the sun shining for approximately 10 hours 51 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
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In September, the UV Index in Kollumerzwaag 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 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||