Last updated: August 22, 2025
In September, the average temperature in Sankt Martin am Grimming, Austria hovers around 10°C (50°F). Daily variations can be notable, with minimums dipping as low as -9°C (17°F) and maximums reaching up to 25°C (78°F). Expect some moisture, as precipitation averages 169 mm (6.6 in) spread over 17 days, contributing to a relatively high average humidity of 74%.
In September in Sankt Martin am Grimming, the average temperature is 10°C (50°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -9°C (17°F). Be prepared for a wide range of temperatures when traveling during this month.
In Sankt Martin am Grimming in September, the precipitation amount is 169 mm (6.6 in) occurring over the course of 17 days.
In Sankt Martin am Grimming in September humidity is 74%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration uncomfortable and requiring travelers to dress in layers to stay warm while navigating the moist air.
In Sankt Martin am Grimming 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 Martin am Grimming.
UV Risk Categories
Weather in Sankt Martin am Grimming varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sankt Martin am Grimming, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (22°F) | 117 mm (4.6 inches) | 91% | low |
| February Weather | -3°C (27°F) | 98 mm (3.8 inches) | 87% | moderate |
| March Weather | -1°C (31°F) | 113 mm (4.4 inches) | 82% | high |
| April Weather | 3°C (38°F) | 89 mm (3.5 inches) | 79% | high |
| May Weather | 8°C (46°F) | 202 mm (7.9 inches) | 74% | very high |
| June Weather | 14°C (57°F) | 178 mm (7.0 inches) | 75% | very high |
| July Weather | 14°C (58°F) | 220 mm (8.7 inches) | 74% | very high |
| August Weather | 14°C (58°F) | 226 mm (8.9 inches) | 68% | very high |
| September Weather | 10°C (50°F) | 169 mm (6.6 inches) | 74% | high |
| October Weather | 6°C (42°F) | 126 mm (4.9 inches) | 88% | moderate |
| November Weather | 1°C (33°F) | 94 mm (3.7 inches) | 90% | moderate |
| December Weather | -4°C (25°F) | 148 mm (5.8 inches) | 89% | low |