Last updated: June 24, 2025
In September, the average temperature in Grand Ledge, United States hovers around 18°C (65°F), with a minimum of 1°C (34°F) and a peak of 35°C (95°F). Expect a total precipitation of 102 mm (4.0 in) over approximately 11 days, contributing to an average humidity of 80%. Prepare for a mix of warm and cool days as you explore!
In September in Grand Ledge, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), while minimums can be as low as 1°C (34°F). This diverse temperature range makes Grand Ledge an ideal destination for travelers looking to experience both warm days and cooler nights.
In Grand Ledge in September, the precipitation amount is 102 mm (4.0 in) over the course of 11 days.
In Grand Ledge 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 Grand Ledge 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 Grand Ledge.
UV Risk Categories
Weather in Grand Ledge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grand Ledge, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 66 mm (2.6 inches) | 88% | low |
| February Weather | -3°C (27°F) | 69 mm (2.7 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 67 mm (2.7 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 89 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 130 mm (5.1 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 105 mm (4.1 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 81 mm (3.2 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 66 mm (2.6 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 102 mm (4.0 inches) | 80% | high |
| October Weather | 12°C (53°F) | 123 mm (4.8 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 66 mm (2.6 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 61 mm (2.4 inches) | 86% | low |