Last updated: August 23, 2025
In Altefaehr, Germany, the average temperature in September hovers around 15°C (59°F). During this month, temperatures can vary significantly, with minimums dipping to 3°C (37°F) and maximums soaring to 31°C (88°F). Expect some rain, as 57 mm (2.3 in) of precipitation typically falls over 10 days. Be prepared for a humid atmosphere, with average humidity levels reaching 82%.
In September in Altefaehr, the average temperature is 15°C (59°F). Maximums can reach 31°C (88°F), and minimums can be as low as 3°C (37°F). This makes Altefaehr an ideal destination for travelers seeking mild weather with the potential for warm days and cool nights.
In Altefaehr in September, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.
In Altefaehr in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.
In Altefaehr in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Altefaehr.
UV Risk Categories
Weather in Altefaehr varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Altefaehr, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 51 mm (2.0 inches) | 87% | low |
| February Weather | 3°C (37°F) | 43 mm (1.7 inches) | 88% | low |
| March Weather | 4°C (40°F) | 56 mm (2.2 inches) | 87% | moderate |
| April Weather | 8°C (46°F) | 41 mm (1.6 inches) | 85% | moderate |
| May Weather | 12°C (55°F) | 50 mm (2.0 inches) | 82% | high |
| June Weather | 18°C (64°F) | 55 mm (2.1 inches) | 81% | very high |
| July Weather | 18°C (65°F) | 78 mm (3.1 inches) | 82% | high |
| August Weather | 19°C (66°F) | 66 mm (2.6 inches) | 80% | high |
| September Weather | 15°C (59°F) | 57 mm (2.3 inches) | 82% | moderate |
| October Weather | 11°C (52°F) | 74 mm (2.9 inches) | 85% | moderate |
| November Weather | 7°C (44°F) | 50 mm (2.0 inches) | 85% | low |
| December Weather | 3°C (38°F) | 50 mm (2.0 inches) | 85% | low |