Last updated: June 24, 2025
In September, the average temperature in Lily Lake, United States is a comfortable 19°C (67°F). However, temperatures can vary significantly, dipping as low as 2°C (36°F) and soaring up to 33°C (92°F). Visitors should also prepare for some rain, with an average precipitation of 102 mm (4.0 in) expected over 10 days. To top it off, the humidity reaches 80%, creating a warm and slightly muggy atmosphere.
In September in Lily Lake, the average temperature is 19°C (67°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 2°C (36°F). This range makes it a great time to visit for those who enjoy mild weather but should be prepared for both warm days and cooler nights.
In Lily Lake in September, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.
In Lily Lake in September humidity is 80%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor exploration a bit uncomfortable and sticky, yet it encourages you to seek out refreshing indoor activities or shaded spots to escape the heat.
In Lily 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 Lily Lake.
UV Risk Categories
Weather in Lily Lake varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lily Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 62 mm (2.4 inches) | 82% | moderate |
| February Weather | -3°C (26°F) | 58 mm (2.3 inches) | 83% | moderate |
| March Weather | 4°C (39°F) | 80 mm (3.1 inches) | 84% | high |
| April Weather | 9°C (48°F) | 115 mm (4.5 inches) | 85% | very high |
| May Weather | 16°C (60°F) | 168 mm (6.6 inches) | 79% | very high |
| June Weather | 22°C (71°F) | 132 mm (5.2 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 100 mm (3.9 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 93 mm (3.6 inches) | 81% | very high |
| September Weather | 19°C (67°F) | 102 mm (4.0 inches) | 80% | very high |
| October Weather | 12°C (54°F) | 126 mm (4.9 inches) | 82% | high |
| November Weather | 3°C (38°F) | 53 mm (2.1 inches) | 88% | moderate |
| December Weather | 0°C (32°F) | 51 mm (2.0 inches) | 84% | low |