Last updated: August 23, 2025
In Dennweiler-Frohnbach, Germany, the average temperature in September hovers around 15°C (59°F). Expect minimums as low as 4°C (39°F) and maximums soaring to 31°C (87°F). With an average humidity of 83%, you might also encounter some rain, as 49 mm (1.9 in) of precipitation typically falls over the course of 7 days.
In September in Dennweiler-Frohnbach, the average temperature is 15°C (59°F). Maximums can reach 31°C (87°F), while minimums can drop as low as 4°C (39°F). Be sure to pack layers to accommodate the temperature fluctuations during your travels.
In Dennweiler-Frohnbach in September, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.
In Dennweiler-Frohnbach in September humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.
In Dennweiler-Frohnbach in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dennweiler-Frohnbach, you can refer to this Hourly UV Index in Dennweiler-Frohnbach.
UV Risk Categories
Weather in Dennweiler-Frohnbach varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dennweiler-Frohnbach, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 65 mm (2.6 inches) | 91% | low |
| February Weather | 3°C (38°F) | 70 mm (2.7 inches) | 90% | moderate |
| March Weather | 6°C (43°F) | 75 mm (3.0 inches) | 88% | moderate |
| April Weather | 10°C (49°F) | 37 mm (1.5 inches) | 84% | high |
| May Weather | 13°C (56°F) | 72 mm (2.8 inches) | 81% | very high |
| June Weather | 18°C (65°F) | 75 mm (3.0 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 59 mm (2.3 inches) | 82% | very high |
| August Weather | 19°C (66°F) | 50 mm (2.0 inches) | 80% | high |
| September Weather | 15°C (59°F) | 49 mm (1.9 inches) | 83% | high |
| October Weather | 11°C (51°F) | 59 mm (2.3 inches) | 89% | moderate |
| November Weather | 5°C (42°F) | 58 mm (2.3 inches) | 91% | low |
| December Weather | 3°C (38°F) | 107 mm (4.2 inches) | 93% | low |