Last updated: June 24, 2025
In Terre du Lac, United States, the average temperature in September is a pleasant 22°C (72°F). Expect some variability, as temperatures can dip to a minimum of 7°C (45°F) and rise to a maximum of 34°C (94°F). During this month, the area sees an average precipitation of 69 mm (2.7 in) spread over about 7 days, while the humidity hovers around 68%, creating a comfortable yet slightly humid atmosphere.
In September in Terre du Lac, the average temperature is 22°C (72°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 7°C (45°F). This diverse temperature range makes it a great time for travelers to enjoy a mix of warm and cooler experiences.
In Terre du Lac in September, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.
In Terre du Lac in September humidity is 68%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, slightly stifling but still manageable for traveling, creating an atmosphere that encourages leisurely outdoor activities while prompting occasional breaks for refreshment.
In Terre du Lac in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Terre du Lac.
UV Risk Categories
Weather in Terre du Lac varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Terre du Lac, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 75 mm (3.0 inches) | 83% | moderate |
| February Weather | 3°C (37°F) | 90 mm (3.5 inches) | 81% | high |
| March Weather | 9°C (48°F) | 128 mm (5.0 inches) | 80% | high |
| April Weather | 13°C (55°F) | 145 mm (5.7 inches) | 80% | very high |
| May Weather | 19°C (66°F) | 152 mm (6.0 inches) | 83% | very high |
| June Weather | 24°C (75°F) | 86 mm (3.4 inches) | 83% | extreme |
| July Weather | 26°C (79°F) | 88 mm (3.5 inches) | 76% | extreme |
| August Weather | 24°C (76°F) | 116 mm (4.6 inches) | 69% | very high |
| September Weather | 22°C (72°F) | 69 mm (2.7 inches) | 68% | very high |
| October Weather | 15°C (59°F) | 109 mm (4.3 inches) | 72% | high |
| November Weather | 7°C (45°F) | 71 mm (2.8 inches) | 83% | moderate |
| December Weather | 4°C (40°F) | 63 mm (2.5 inches) | 86% | moderate |