Last updated: June 24, 2025
In Muskegon Heights, United States, the average temperature in September hovers around 19°C (66°F), with temperatures ranging from a cool 5°C (41°F) to a warm 31°C (88°F). During this month, you can expect an average precipitation of 107 mm (4.2 in) spread across 10 days. The air tends to be quite humid, with an average humidity of 79%, making for a pleasant yet slightly damp atmosphere.
In September in Muskegon Heights, the average temperature is 19°C (66°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 5°C (41°F). Pack versatile clothing to enjoy the varying temperatures while exploring this destination.
In Muskegon Heights in September, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.
In Muskegon Heights in September humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.
In Muskegon Heights 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 Muskegon Heights.
UV Risk Categories
Weather in Muskegon Heights varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Muskegon Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 63 mm (2.5 inches) | 87% | low |
| February Weather | -3°C (27°F) | 65 mm (2.6 inches) | 87% | moderate |
| March Weather | 2°C (35°F) | 65 mm (2.5 inches) | 86% | moderate |
| April Weather | 7°C (44°F) | 100 mm (4.0 inches) | 87% | very high |
| May Weather | 13°C (56°F) | 124 mm (4.9 inches) | 82% | very high |
| June Weather | 20°C (68°F) | 119 mm (4.7 inches) | 81% | very high |
| July Weather | 23°C (74°F) | 56 mm (2.2 inches) | 78% | very high |
| August Weather | 22°C (72°F) | 75 mm (3.0 inches) | 79% | very high |
| September Weather | 19°C (66°F) | 107 mm (4.2 inches) | 79% | high |
| October Weather | 12°C (54°F) | 131 mm (5.2 inches) | 82% | moderate |
| November Weather | 4°C (40°F) | 69 mm (2.7 inches) | 87% | moderate |
| December Weather | 1°C (33°F) | 67 mm (2.6 inches) | 86% | low |