Last updated: June 24, 2025
In Shorewood, United States, the average temperature in September hovers around 20°C (68°F). However, be prepared for temperature swings, as it can drop to a chilly 3°C (38°F) or soar up to a sweltering 34°C (94°F). With 85 mm (3.3 in) of precipitation spread over 9 days, you'll want to keep an umbrella handy. Don't forget, the average humidity sits at a balmy 80%, adding to the local charm!
In September in Shorewood, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (94°F), while minimums can dip as low as 3°C (38°F). Overall, it's an ideal time for travelers to enjoy a mix of warm days and cool nights in Shorewood.
In Shorewood in September, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.
In Shorewood in September, humidity is 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.
In Shorewood in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Shorewood.
UV Risk Categories
Weather in Shorewood varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Shorewood, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 64 mm (2.5 inches) | 82% | moderate |
| February Weather | -2°C (28°F) | 65 mm (2.6 inches) | 83% | moderate |
| March Weather | 4°C (40°F) | 89 mm (3.5 inches) | 84% | high |
| April Weather | 10°C (49°F) | 119 mm (4.7 inches) | 85% | very high |
| May Weather | 17°C (62°F) | 156 mm (6.2 inches) | 79% | very high |
| June Weather | 22°C (73°F) | 137 mm (5.4 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 111 mm (4.4 inches) | 80% | very high |
| August Weather | 23°C (74°F) | 80 mm (3.2 inches) | 81% | very high |
| September Weather | 20°C (68°F) | 85 mm (3.3 inches) | 80% | very high |
| October Weather | 13°C (55°F) | 135 mm (5.3 inches) | 82% | high |
| November Weather | 4°C (40°F) | 59 mm (2.3 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 54 mm (2.1 inches) | 84% | low |