Last updated: August 23, 2025
In Thierstein, Germany, the average temperature in September hovers around 13°C (56°F), making it a mild yet refreshing time to visit. You might experience temperatures ranging from a chilly 0°C (33°F) to a warm 29°C (84°F). Be prepared for about 60 mm (2.3 in) of precipitation over 11 days, and don't forget that average humidity is quite high at 85%, adding a unique touch to the atmosphere.
In September in Thierstein, the average temperature is 13°C (56°F). Maximum temperatures can reach 29°C (84°F), and the minimum can drop as low as 0°C (33°F). Be prepared for a mix of mild days and chilly nights when traveling to Thierstein this month.
In Thierstein in September, the precipitation amount is 60 mm (2.3 in) spread over a total of 11 days.
In Thierstein in September humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.
In Thierstein 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 Thierstein, you can refer to this Hourly UV Index in Thierstein.
UV Risk Categories
Weather in Thierstein varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Thierstein, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 71 mm (2.8 inches) | 91% | low |
February Weather | 1°C (34°F) | 62 mm (2.4 inches) | 89% | moderate |
March Weather | 4°C (39°F) | 76 mm (3.0 inches) | 88% | moderate |
April Weather | 8°C (47°F) | 37 mm (1.4 inches) | 84% | high |
May Weather | 12°C (54°F) | 87 mm (3.4 inches) | 77% | very high |
June Weather | 17°C (64°F) | 85 mm (3.4 inches) | 82% | very high |
July Weather | 18°C (64°F) | 70 mm (2.7 inches) | 83% | very high |
August Weather | 18°C (65°F) | 87 mm (3.4 inches) | 84% | high |
September Weather | 13°C (56°F) | 60 mm (2.3 inches) | 85% | high |
October Weather | 9°C (48°F) | 61 mm (2.4 inches) | 88% | moderate |
November Weather | 4°C (39°F) | 45 mm (1.8 inches) | 88% | low |
December Weather | 1°C (34°F) | 92 mm (3.6 inches) | 91% | low |