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Today Hourly 7 days 30 days September
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September 2025 Weather | Chicago, Illinois
Mon 9/1
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 72°
25
Tue 9/2
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 81°
Night 70°
25
Wed 9/3
Stormy WeatherStormy weather, thunderstorms.
Day 81°
Night 72°
65
Thu 9/4
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 70°
25
Fri 9/5
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 70°
5
Sat 9/6
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 70°
20
Sun 9/7
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 81°
Night 68°
25
Mon 9/8
Stormy WeatherStormy weather, thunderstorms.
Day 79°
Night 70°
63
Tue 9/9
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 68°
25
Wed 9/10
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 68°
10
Thu 9/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 79°
Night 66°
20
Fri 9/12
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 81°
Night 64°
57
Sat 9/13
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 66°
2
Sun 9/14
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 79°
Night 66°
61
Mon 9/15
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 66°
Night 54°
1
Tue 9/16
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 64°
Night 55°
Wed 9/17
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 66°
Night 57°
Thu 9/18
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 64°
Night 61°
Fri 9/19
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 66°
Night 59°
Sat 9/20
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 66°
Night 55°
Sun 9/21
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 68°
Night 57°
Mon 9/22
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 70°
Night 59°
Tue 9/23
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 52°
Wed 9/24
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 66°
Night 55°
Thu 9/25
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 70°
Night 61°
Fri 9/26
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 70°
Night 57°
Sat 9/27
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 70°
Night 61°
Sun 9/28
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 61°
Mon 9/29
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 61°
Tue 9/30
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 61°