Last updated: August 23, 2025
In September, the average temperature in Lachen-Speyerdorf, Germany hovers around 16°C (62°F). Expect a refreshing range where temperatures can dip to a cool 4°C (40°F) and peak at a warm 33°C (92°F). With 46 mm (1.8 in) of precipitation spread over 8 days, and an average humidity of 85%, be prepared for a slightly damp but enjoyable climate.
In September in Lachen-Speyerdorf, the average temperature is 16°C (62°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 4°C (40°F). Therefore, travelers should prepare for a range of temperatures and pack accordingly for both warmer and cooler conditions.
In Lachen-Speyerdorf in September, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.
In Lachen-Speyerdorf in September humidity is 85%. With an average temperature of 16°C (62°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and sticky, and urging you to seek shade and hydration at every stop.
In Lachen-Speyerdorf 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 Lachen-Speyerdorf, you can refer to this Hourly UV Index in Lachen-Speyerdorf.
UV Risk Categories
Weather in Lachen-Speyerdorf varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lachen-Speyerdorf, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 59 mm (2.3 inches) | 91% | low |
| February Weather | 5°C (40°F) | 58 mm (2.3 inches) | 89% | moderate |
| March Weather | 7°C (45°F) | 63 mm (2.5 inches) | 87% | moderate |
| April Weather | 11°C (52°F) | 31 mm (1.2 inches) | 83% | high |
| May Weather | 14°C (58°F) | 74 mm (2.9 inches) | 79% | very high |
| June Weather | 20°C (68°F) | 70 mm (2.7 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 65 mm (2.5 inches) | 83% | very high |
| August Weather | 21°C (70°F) | 57 mm (2.3 inches) | 84% | high |
| September Weather | 16°C (62°F) | 46 mm (1.8 inches) | 85% | high |
| October Weather | 12°C (54°F) | 59 mm (2.3 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 49 mm (1.9 inches) | 89% | low |
| December Weather | 4°C (40°F) | 94 mm (3.7 inches) | 91% | low |