Last updated: August 22, 2025
In Sankt Andrae, Austria, the average temperature in September hovers around 7°C (45°F). Expect a chilly minimum of -10°C (14°F), while highs can reach up to 20°C (69°F). During the month, precipitation totals 132 mm (5.2 in), spread over about 14 days, contributing to an average humidity level of 83%.
In September in Sankt Andrae, the average temperature is 7°C (45°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -10°C (14°F). It's essential to pack layers to stay comfortable during your travels, as the weather can vary significantly.
In Sankt Andrae in September, the precipitation amount is 132 mm (5.2 in) over a span of 14 days.
In Sankt Andrae in September, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.
In Sankt Andrae in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sankt Andrae.
UV Risk Categories
Weather in Sankt Andrae varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sankt Andrae, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 87 mm (3.4 inches) | 93% | low |
| February Weather | -6°C (21°F) | 72 mm (2.8 inches) | 89% | moderate |
| March Weather | -4°C (25°F) | 88 mm (3.5 inches) | 86% | high |
| April Weather | 0°C (32°F) | 90 mm (3.5 inches) | 83% | very high |
| May Weather | 4°C (39°F) | 150 mm (5.9 inches) | 78% | very high |
| June Weather | 10°C (50°F) | 151 mm (6.0 inches) | 79% | very high |
| July Weather | 11°C (52°F) | 189 mm (7.5 inches) | 82% | very high |
| August Weather | 11°C (52°F) | 216 mm (8.5 inches) | 80% | very high |
| September Weather | 7°C (45°F) | 132 mm (5.2 inches) | 83% | high |
| October Weather | 2°C (37°F) | 120 mm (4.7 inches) | 90% | moderate |
| November Weather | -3°C (27°F) | 124 mm (4.9 inches) | 89% | moderate |
| December Weather | -8°C (18°F) | 135 mm (5.3 inches) | 90% | low |