Last updated: June 24, 2025
In Suamico, United States, the average temperature in September is a pleasant 17°C (63°F). However, you can expect temperatures to range from a cool 2°C (36°F) to a warm 33°C (91°F). During this month, precipitation averages around 69 mm (2.7 in), typically falling over 11 days. Plus, with an average humidity of 78%, be prepared for a somewhat humid atmosphere!
In September in Suamico, the average temperature is 17°C (63°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 2°C (36°F). This varied climate makes it a great time for travelers to experience a mix of warm and cool weather, perfect for outdoor activities and exploration.
In Suamico in September, the total precipitation amount is 69 mm (2.7 in) spread across 11 days.
In Suamico in September, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.
In Suamico 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 Suamico.
UV Risk Categories
Weather in Suamico varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Suamico, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 39 mm (1.5 inches) | 89% | low |
| February Weather | -6°C (21°F) | 49 mm (1.9 inches) | 90% | moderate |
| March Weather | 0°C (33°F) | 60 mm (2.4 inches) | 87% | moderate |
| April Weather | 5°C (42°F) | 98 mm (3.8 inches) | 84% | high |
| May Weather | 13°C (56°F) | 103 mm (4.1 inches) | 77% | very high |
| June Weather | 19°C (67°F) | 105 mm (4.1 inches) | 75% | very high |
| July Weather | 22°C (72°F) | 101 mm (4.0 inches) | 74% | very high |
| August Weather | 21°C (70°F) | 103 mm (4.1 inches) | 73% | very high |
| September Weather | 17°C (63°F) | 69 mm (2.7 inches) | 78% | high |
| October Weather | 10°C (50°F) | 96 mm (3.8 inches) | 84% | moderate |
| November Weather | 2°C (36°F) | 51 mm (2.0 inches) | 89% | moderate |
| December Weather | -3°C (27°F) | 56 mm (2.2 inches) | 87% | low |