Last updated: March 2, 2024
The weather in Niel-bij-As, Belgium, during September is characterized by an average temperature of 15°C (60°F). Highs can soar to 29°C (85°F), while lows may dip to 5°C (42°F). Typically, the humidity level in Niel-bij-As throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Niel-bij-As averages 61 mm (2.4 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 34 minutes of daylight, with the sun shining for approximately 10 hours 34 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Niel-bij-As 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 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||