September 2025 Weather | Rockford, Illinois
Mon 9/1
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 84°
Night 64°
25
Tue 9/2
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 64°
25
Wed 9/3
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 82°
Night 64°
59
Thu 9/4
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 64°
25
Fri 9/5
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 63°
20
Sat 9/6
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 82°
Night 63°
20
Sun 9/7
Stormy WeatherStormy weather, thunderstorms.
Day 82°
Night 63°
66
Mon 9/8
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 63°
25
Tue 9/9
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 61°
25
Wed 9/10
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 61°
25
Thu 9/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 79°
Night 61°
20
Fri 9/12
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 82°
Night 57°
65
Sat 9/13
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 81°
Night 59°
3
Sun 9/14
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 81°
Night 59°
61
Mon 9/15
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 68°
Night 46°
1
Tue 9/16
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 66°
Night 48°
Wed 9/17
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 68°
Night 50°
Thu 9/18
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 66°
Night 54°
Fri 9/19
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 68°
Night 52°
Sat 9/20
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 70°
Night 48°
Sun 9/21
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 50°
Mon 9/22
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 54°
Tue 9/23
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 46°
Wed 9/24
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 68°
Night 46°
Thu 9/25
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 72°
Night 54°
Fri 9/26
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 73°
Night 52°
Sat 9/27
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 55°
Sun 9/28
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 54°
Mon 9/29
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 55°
Tue 9/30
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 54°