Last updated: June 24, 2025
In September, the average temperature in Star Lake, United States is a mild 15°C (59°F). Expect chillier nights with minimums dropping to -3°C (27°F), while daytime can heat up to a warm 31°C (87°F). With an average humidity of 72%, be prepared for a touch of moisture in the air. Rain gear might come in handy too, as 92 mm (3.6 in) of precipitation could fall over 10 days during the month.
In September in Star Lake, the average temperature is 15°C (59°F). The maximum can reach 31°C (87°F), and the minimum can be as low as -3°C (27°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.
In Star Lake in September, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 days.
In Star Lake in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.
In Star Lake 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 Star Lake.
UV Risk Categories
Weather in Star Lake varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Star Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 106 mm (4.2 inches) | 93% | low |
| February Weather | -6°C (22°F) | 103 mm (4.1 inches) | 93% | moderate |
| March Weather | -2°C (29°F) | 106 mm (4.2 inches) | 86% | high |
| April Weather | 5°C (42°F) | 132 mm (5.2 inches) | 82% | very high |
| May Weather | 13°C (55°F) | 126 mm (5.0 inches) | 75% | very high |
| June Weather | 17°C (64°F) | 129 mm (5.1 inches) | 68% | very high |
| July Weather | 20°C (69°F) | 156 mm (6.1 inches) | 69% | very high |
| August Weather | 19°C (66°F) | 131 mm (5.2 inches) | 67% | very high |
| September Weather | 15°C (59°F) | 92 mm (3.6 inches) | 72% | high |
| October Weather | 9°C (49°F) | 174 mm (6.9 inches) | 83% | moderate |
| November Weather | 1°C (33°F) | 133 mm (5.2 inches) | 88% | moderate |
| December Weather | -4°C (25°F) | 107 mm (4.2 inches) | 89% | low |