Last updated: March 2, 2024
The weather in Grenzach-Wyhlen, Germany, during September is characterized by an average temperature of 16°C (61°F). Highs can soar to 28°C (83°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Grenzach-Wyhlen throughout September hovers around 83%.
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Humidity
In September, Grenzach-Wyhlen averages 69 mm (2.7 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 30 minutes of daylight, with the sun shining for approximately 10 hours 45 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
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In September, the UV Index in Grenzach-Wyhlen reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||