Last updated: August 23, 2025
In September, the average temperature in Gundersweiler, Germany is a comfortable 15°C (59°F), making it a pleasant time to explore. However, be prepared for variable conditions, as temperatures can dip to a chilly 3°C (38°F) or soar to a warm 31°C (88°F). Rainfall is relatively moderate, with 52 mm (2.1 in) expected over 8 days, so you might want to carry an umbrella. Additionally, the average humidity sits at a high 85%, contributing to a lush and vibrant atmosphere throughout the month.
In September in Gundersweiler, the average temperature is 15°C (59°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 3°C (38°F). Be prepared for a range of temperatures, making it a great time for layering your clothing during your travels.
In Gundersweiler in September, the total precipitation amount is 52 mm (2.1 in) over the course of 8 days.
In Gundersweiler in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.
In Gundersweiler 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 Gundersweiler, you can refer to this Hourly UV Index in Gundersweiler.
UV Risk Categories
Weather in Gundersweiler varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gundersweiler, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 60 mm (2.4 inches) | 91% | low |
| February Weather | 4°C (39°F) | 65 mm (2.6 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 70 mm (2.8 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.5 inches) | 83% | high |
| May Weather | 13°C (56°F) | 77 mm (3.0 inches) | 79% | very high |
| June Weather | 18°C (66°F) | 83 mm (3.3 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 72 mm (2.8 inches) | 83% | very high |
| August Weather | 19°C (67°F) | 62 mm (2.4 inches) | 84% | high |
| September Weather | 15°C (59°F) | 52 mm (2.1 inches) | 85% | high |
| October Weather | 11°C (52°F) | 59 mm (2.3 inches) | 88% | moderate |
| November Weather | 5°C (42°F) | 55 mm (2.2 inches) | 89% | low |
| December Weather | 3°C (38°F) | 100 mm (3.9 inches) | 91% | low |