Last updated: August 23, 2025
In Jachenau, Germany, the average temperature for September hovers around 11°C (53°F). Expect chilly nights, as temperatures can drop to a minimum of -2°C (28°F), while the days might warm up to a pleasant 24°C (76°F). You'll also want to keep an umbrella handy, as the region sees about 165 mm (6.5 in) of precipitation over 17 days. With an average humidity level of 83%, it's wise to dress in layers to stay comfortable throughout the day!
In September in Jachenau, the average temperature is 11°C (53°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures and pack layers to ensure comfort during their visit.
In Jachenau in September, the precipitation amount reaches 165 mm (6.5 in) over a span of 17 days.
In Jachenau in September, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.
In Jachenau 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 Jachenau, you can refer to this Hourly UV Index in Jachenau.
UV Risk Categories
Weather in Jachenau varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jachenau, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 114 mm (4.5 inches) | 93% | low |
| February Weather | -1°C (30°F) | 95 mm (3.7 inches) | 89% | moderate |
| March Weather | 1°C (35°F) | 108 mm (4.2 inches) | 86% | moderate |
| April Weather | 6°C (43°F) | 102 mm (4.0 inches) | 83% | high |
| May Weather | 9°C (49°F) | 224 mm (8.8 inches) | 78% | very high |
| June Weather | 15°C (59°F) | 207 mm (8.1 inches) | 79% | very high |
| July Weather | 15°C (60°F) | 226 mm (8.9 inches) | 82% | very high |
| August Weather | 15°C (60°F) | 222 mm (8.8 inches) | 80% | very high |
| September Weather | 11°C (53°F) | 165 mm (6.5 inches) | 83% | high |
| October Weather | 8°C (46°F) | 133 mm (5.2 inches) | 90% | moderate |
| November Weather | 2°C (36°F) | 88 mm (3.5 inches) | 89% | moderate |
| December Weather | -2°C (29°F) | 141 mm (5.5 inches) | 90% | low |