Last updated: June 24, 2025
The average temperature in Walled Lake, United States during September is a pleasant 18°C (65°F). However, be prepared for variations, as temperatures can dip as low as 2°C (36°F) and soar up to 33°C (92°F). On average, expect 68 mm (2.7 in) of precipitation spread over about 10 days, all while enjoying a humidity level of around 80%.
In September, in Walled Lake, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 2°C (36°F). This temperature range makes Walled Lake an ideal destination for travelers seeking both warm days and cool nights.
In Walled Lake in September, the precipitation amount is 68 mm (2.7 in) over a span of 10 days.
In Walled Lake in September, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.
In Walled 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 Walled Lake.
UV Risk Categories
Weather in Walled Lake varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Walled Lake, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 63 mm (2.5 inches) | 88% | low |
| February Weather | -3°C (28°F) | 67 mm (2.6 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 70 mm (2.8 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 90 mm (3.6 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 113 mm (4.4 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 97 mm (3.8 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 90 mm (3.5 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 79 mm (3.1 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 68 mm (2.7 inches) | 80% | high |
| October Weather | 12°C (54°F) | 103 mm (4.1 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 74 mm (2.9 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 53 mm (2.1 inches) | 86% | low |