September 2, 2015; 12:21 AM ET
Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >
Rises at 6:20 AM with 13:00 of sunlight, then sets at 7:20 PM
Rises at 11:27 PM with 14:41 of moolight, then sets at 2:08 PM
Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.