Last updated: June 24, 2025
In Indian Mountain Lake, United States, the average temperature in September hovers around 18°C (65°F). You can expect a range from a chilly 3°C (37°F) to a warm 32°C (89°F). With an average precipitation of 118 mm (4.7 in) spread over 10 days, the air carries a 66% humidity, creating a unique atmosphere throughout the month.
In September in Indian Mountain Lake, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F) and minimums can be as low as 3°C (37°F). This variation makes Indian Mountain Lake an ideal destination for travelers who enjoy diverse weather conditions and outdoor activities.
In Indian Mountain Lake in September, the precipitation amount is 118 mm (4.7 in) over a span of 10 days.
In Indian Mountain Lake in September humidity is 66%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, perfect for leisurely strolls but requiring light, breathable clothing to fully enjoy the experience.
In Indian Mountain Lake in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Indian Mountain Lake.
UV Risk Categories
Weather in Indian Mountain Lake varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Indian Mountain Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 77 mm (3.0 inches) | 87% | moderate |
| February Weather | 0°C (32°F) | 108 mm (4.2 inches) | 85% | moderate |
| March Weather | 3°C (38°F) | 98 mm (3.9 inches) | 85% | high |
| April Weather | 9°C (49°F) | 120 mm (4.7 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 141 mm (5.5 inches) | 75% | very high |
| June Weather | 20°C (68°F) | 116 mm (4.6 inches) | 73% | very high |
| July Weather | 23°C (74°F) | 147 mm (5.8 inches) | 65% | very high |
| August Weather | 22°C (72°F) | 153 mm (6.0 inches) | 62% | very high |
| September Weather | 18°C (65°F) | 118 mm (4.7 inches) | 66% | very high |
| October Weather | 13°C (56°F) | 132 mm (5.2 inches) | 79% | high |
| November Weather | 5°C (41°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 1°C (34°F) | 108 mm (4.3 inches) | 85% | low |