Last updated: March 2, 2024
The weather in Wezembeek-Oppem, Belgium, during September is characterized by an average temperature of 15°C (60°F). Highs can soar to 28°C (82°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Wezembeek-Oppem throughout September hovers around 82%.
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Humidity
In September, Wezembeek-Oppem averages 58 mm (2.3 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 37 minutes each day. Additionally, there is a 36% probability of sunny days during this period.
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In September, the UV Index in Wezembeek-Oppem 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 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||