Last updated: August 23, 2025
In Bollschweil, Germany, the average temperature in September reaches a comfortable 16°C (61°F). However, temperatures can vary significantly, with a minimum of 3°C (38°F) and potentially soaring up to a maximum of 31°C (88°F). Expect 57 mm (2.3 in) of precipitation spread over approximately 10 days, and keep in mind the average humidity is quite high at 83%.
In September in Bollschweil, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 3°C (38°F). This makes it a great time for travelers to experience a pleasant mix of warm days and cooler nights.
In Bollschweil in September, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.
In Bollschweil in September, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.
In Bollschweil 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 Bollschweil, you can refer to this Hourly UV Index in Bollschweil.
UV Risk Categories
Weather in Bollschweil varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bollschweil, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (35°F) | 105 mm (4.1 inches) | 92% | low |
February Weather | 4°C (39°F) | 88 mm (3.5 inches) | 89% | moderate |
March Weather | 6°C (43°F) | 96 mm (3.8 inches) | 87% | moderate |
April Weather | 10°C (51°F) | 54 mm (2.1 inches) | 84% | high |
May Weather | 14°C (57°F) | 114 mm (4.5 inches) | 80% | very high |
June Weather | 19°C (67°F) | 101 mm (4.0 inches) | 82% | very high |
July Weather | 20°C (69°F) | 84 mm (3.3 inches) | 83% | very high |
August Weather | 20°C (68°F) | 74 mm (2.9 inches) | 80% | very high |
September Weather | 16°C (61°F) | 57 mm (2.3 inches) | 83% | high |
October Weather | 11°C (52°F) | 84 mm (3.3 inches) | 90% | moderate |
November Weather | 6°C (42°F) | 72 mm (2.8 inches) | 88% | low |
December Weather | 3°C (38°F) | 136 mm (5.4 inches) | 90% | low |