Last updated: June 24, 2025
In September, the average temperature in Marine City, United States is a pleasant 19°C (66°F). Visitors can expect a minimum of 4°C (39°F) and a maximum of 32°C (90°F). With an average humidity of 80%, it’s a good idea to prepare for some moisture in the air. Additionally, anticipate around 77 mm (3.0 in) of precipitation spread over 10 days, making it a month of both warmth and occasional rainfall.
In September in Marine City, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 4°C (39°F). This varied climate makes Marine City an ideal destination for travelers looking to experience a range of weather conditions.
In Marine City in September, the total precipitation amount is 77 mm (3.0 in) spread over a duration of 10 days.
In Marine City in September humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.
In Marine City 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 Marine City.
UV Risk Categories
Weather in Marine City varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Marine City, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 70 mm (2.8 inches) | 88% | low |
| February Weather | -2°C (29°F) | 73 mm (2.9 inches) | 87% | moderate |
| March Weather | 2°C (36°F) | 70 mm (2.7 inches) | 85% | moderate |
| April Weather | 7°C (46°F) | 97 mm (3.8 inches) | 86% | very high |
| May Weather | 14°C (58°F) | 105 mm (4.1 inches) | 80% | very high |
| June Weather | 20°C (69°F) | 93 mm (3.6 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 82 mm (3.2 inches) | 80% | very high |
| August Weather | 22°C (73°F) | 80 mm (3.2 inches) | 80% | very high |
| September Weather | 19°C (66°F) | 77 mm (3.0 inches) | 80% | high |
| October Weather | 12°C (55°F) | 113 mm (4.5 inches) | 84% | moderate |
| November Weather | 4°C (40°F) | 82 mm (3.2 inches) | 89% | moderate |
| December Weather | 0°C (33°F) | 63 mm (2.5 inches) | 86% | low |