Last updated: June 24, 2025
In September, the average temperature in New Chicago, United States hovers around 20°C (68°F), providing a comfortable climate for outdoor activities. However, be prepared for a temperature range that can dip to a cool 6°C (42°F) or soar to a warm 32°C (91°F). Expect 73 mm (2.9 in) of precipitation over 8 days, contributing to an average humidity of 78%. Perfect your plans for a delightful experience!
In September in New Chicago, the average temperature is 20°C (68°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 6°C (42°F). This variation in temperature makes New Chicago an ideal destination for travelers seeking both warm and cooler experiences.
In New Chicago in September, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.
In New Chicago in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.
In New Chicago 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 New Chicago.
UV Risk Categories
Weather in New Chicago varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in New Chicago, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 73 mm (2.9 inches) | 85% | moderate |
| February Weather | -1°C (30°F) | 72 mm (2.8 inches) | 85% | moderate |
| March Weather | 4°C (39°F) | 99 mm (3.9 inches) | 86% | high |
| April Weather | 9°C (48°F) | 115 mm (4.5 inches) | 87% | very high |
| May Weather | 15°C (60°F) | 162 mm (6.4 inches) | 81% | very high |
| June Weather | 22°C (71°F) | 130 mm (5.1 inches) | 82% | very high |
| July Weather | 24°C (75°F) | 102 mm (4.0 inches) | 81% | very high |
| August Weather | 23°C (73°F) | 95 mm (3.7 inches) | 79% | very high |
| September Weather | 20°C (68°F) | 73 mm (2.9 inches) | 78% | very high |
| October Weather | 13°C (56°F) | 139 mm (5.5 inches) | 81% | high |
| November Weather | 5°C (41°F) | 71 mm (2.8 inches) | 89% | moderate |
| December Weather | 1°C (35°F) | 62 mm (2.4 inches) | 86% | low |