Last updated: June 24, 2025
In September, the average temperature in Sandstone, United States hovers around 16°C (61°F). Expect a minimum chill of 1°C (33°F) and a maximum warmth reaching up to 31°C (88°F). With 102 mm (4.0 in) of precipitation spread over 10 days, you'll want an umbrella handy! The air is quite humid, with an average humidity of 77%, making this a uniquely characteristic weather experience.
In September in Sandstone, the average temperature is 16°C (61°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as 1°C (33°F). This variation in temperature makes it essential to pack layers for your visit to Sandstone during this month.
In Sandstone in September, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.
In Sandstone in September humidity is 77%. With an average temperature of 16°C (61°F), this humidity feels like a slight heaviness in the air, making every step feel a touch more effortful while traveling. The dampness clings to your skin, adding a layer of discomfort, yet the mild temperature invites you to explore the surroundings, blending the challenge of the humidity with an opportunity for a refreshing adventure.
In Sandstone 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 Sandstone.
UV Risk Categories
Weather in Sandstone varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sandstone, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 20 mm (0.8 inches) | 92% | low |
| February Weather | -10°C (14°F) | 28 mm (1.1 inches) | 93% | moderate |
| March Weather | -1°C (30°F) | 43 mm (1.7 inches) | 88% | moderate |
| April Weather | 5°C (41°F) | 79 mm (3.1 inches) | 83% | high |
| May Weather | 13°C (56°F) | 85 mm (3.3 inches) | 76% | very high |
| June Weather | 20°C (68°F) | 88 mm (3.5 inches) | 76% | very high |
| July Weather | 22°C (71°F) | 107 mm (4.2 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 113 mm (4.4 inches) | 77% | very high |
| September Weather | 16°C (61°F) | 102 mm (4.0 inches) | 77% | high |
| October Weather | 8°C (46°F) | 108 mm (4.3 inches) | 82% | moderate |
| November Weather | -1°C (30°F) | 39 mm (1.5 inches) | 87% | moderate |
| December Weather | -7°C (20°F) | 57 mm (2.2 inches) | 89% | low |