Last updated: March 2, 2024
The weather in Spiekeroog, Germany, during September is characterized by an average temperature of 16°C (61°F). Highs can soar to 23°C (73°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Spiekeroog throughout September hovers around 81%.
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Average temperature
Maximum temperature
Humidity
In September, Spiekeroog averages 85 mm (3.4 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 29 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Spiekeroog 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 | ||||||||||