Last updated: August 23, 2025
In September, the average temperature in Frohnsdorf, Germany is a comfortable 15°C (60°F). You can expect a minimum of 2°C (37°F) and a maximum of 31°C (89°F), providing a nice range for outdoor activities. However, be prepared for some rain, as 48 mm (1.9 in) of precipitation is likely over 8 days. Don't forget your hydration—average humidity levels stand at a pleasant 83%!
In September in Frohnsdorf, the average temperature is 15°C (60°F), with a maximum that can reach 31°C (89°F) and a minimum that can drop as low as 2°C (37°F). Be prepared for a diverse range of temperatures during your travels, so pack layers to stay comfortable throughout the day.
In Frohnsdorf in September, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.
In Frohnsdorf in September humidity is 83%. With an average temperature of 15°C (60°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable and sticky, as the air clings to your skin and dampens your clothes.
In Frohnsdorf 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 Frohnsdorf.
UV Risk Categories
Weather in Frohnsdorf varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Frohnsdorf, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 61 mm (2.4 inches) | 91% | low |
| February Weather | 3°C (38°F) | 46 mm (1.8 inches) | 90% | low |
| March Weather | 5°C (42°F) | 59 mm (2.3 inches) | 88% | moderate |
| April Weather | 9°C (49°F) | 35 mm (1.4 inches) | 83% | moderate |
| May Weather | 13°C (56°F) | 61 mm (2.4 inches) | 75% | high |
| June Weather | 19°C (67°F) | 46 mm (1.8 inches) | 79% | very high |
| July Weather | 19°C (67°F) | 63 mm (2.5 inches) | 79% | very high |
| August Weather | 20°C (68°F) | 72 mm (2.8 inches) | 79% | high |
| September Weather | 15°C (60°F) | 48 mm (1.9 inches) | 83% | moderate |
| October Weather | 11°C (53°F) | 68 mm (2.7 inches) | 87% | moderate |
| November Weather | 6°C (43°F) | 44 mm (1.7 inches) | 90% | low |
| December Weather | 3°C (38°F) | 71 mm (2.8 inches) | 92% | low |