Last updated: June 24, 2025
In September, the average temperature in De Kalb Junction, United States hovers around 16°C (62°F), but be prepared for some variability; temperatures can dip as low as -1°C (31°F) or soar to 32°C (90°F). Expect about 73 mm (2.9 in) of precipitation spread over 9 days, contributing to an average humidity of 72%. Embrace the dynamic climate with a versatile wardrobe!
In September in De Kalb Junction, the average temperature is 16°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop as low as -1°C (31°F). This range makes it advisable for travelers to pack both lightweight clothing for the warmer days and warmer layers for the cooler evenings.
In De Kalb Junction in September, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 days.
In De Kalb Junction in September, humidity is 72%. With an average temperature of 16°C (62°F), this humidity feels like a warm blanket wrapped around you, making it slightly uncomfortable for traveling as you might find yourself sweating more than usual, especially during outdoor activities.
In De Kalb Junction 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 De Kalb Junction.
UV Risk Categories
Weather in De Kalb Junction varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in De Kalb Junction, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 91 mm (3.6 inches) | 93% | low |
| February Weather | -5°C (24°F) | 86 mm (3.4 inches) | 93% | moderate |
| March Weather | -1°C (31°F) | 91 mm (3.6 inches) | 86% | high |
| April Weather | 7°C (44°F) | 124 mm (4.9 inches) | 82% | very high |
| May Weather | 14°C (57°F) | 111 mm (4.4 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 102 mm (4.0 inches) | 68% | very high |
| July Weather | 22°C (71°F) | 122 mm (4.8 inches) | 69% | very high |
| August Weather | 20°C (69°F) | 106 mm (4.2 inches) | 67% | very high |
| September Weather | 16°C (62°F) | 73 mm (2.9 inches) | 72% | high |
| October Weather | 10°C (51°F) | 154 mm (6.1 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 119 mm (4.7 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 94 mm (3.7 inches) | 89% | low |