Last updated: August 23, 2025
In Kornwestheim, Germany, the average temperature in September hovers around 15°C (59°F), with a minimum dip to 1°C (34°F) and a maximum rise to 29°C (85°F). This month also sees about 48 mm (1.9 in) of precipitation over 9 days, resulting in an average humidity of 85%. Prepare for a mix of mild warmth and moisture!
In September in Kornwestheim, the average temperature is 15°C (59°F). Maximums can reach 29°C (85°F) and minimums can be as low as 1°C (34°F). This makes it a great time for travelers to experience a pleasant mix of warm days and cool evenings, ideal for outdoor activities and exploration.
In Kornwestheim in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.
In Kornwestheim 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 Kornwestheim 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 Kornwestheim, you can refer to this Hourly UV Index in Kornwestheim.
UV Risk Categories
Weather in Kornwestheim varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kornwestheim, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 73 mm (2.9 inches) | 91% | low |
| February Weather | 3°C (39°F) | 67 mm (2.6 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 75 mm (3.0 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 41 mm (1.6 inches) | 83% | high |
| May Weather | 13°C (56°F) | 87 mm (3.4 inches) | 79% | very high |
| June Weather | 19°C (66°F) | 95 mm (3.7 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 71 mm (2.8 inches) | 83% | very high |
| August Weather | 19°C (67°F) | 82 mm (3.2 inches) | 84% | very high |
| September Weather | 15°C (59°F) | 48 mm (1.9 inches) | 85% | high |
| October Weather | 11°C (52°F) | 68 mm (2.7 inches) | 88% | moderate |
| November Weather | 5°C (41°F) | 51 mm (2.0 inches) | 89% | low |
| December Weather | 3°C (38°F) | 97 mm (3.8 inches) | 91% | low |