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United States weather

Weather in Bolingbrook, Illinois for September 2025

Your guide to Bolingbrook weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Bolingbrook is slightly cooler than the historical average by -1.6 °F.

  • The forecast for the coming days of September 2025 predicts a temperature of 30.6 °F , which is warmer than usual.

  • In general, the average temperature in Bolingbrook at the beginning of September is 22.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 30.1 °F by the end of September.

    • Rain 🌧️

  • Bolingbrook experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 78.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/14°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Bolingbrook Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
24°
2
Sunny
24°
3
Sunny
25°
4
Sunny
23°
5
Sunny
25°
6
Patchy rain possible
19°
7
Sunny
18°
8
Overcast
23°
9
Partly cloudy
24°
10
Mist
27°
11
Light rain shower
28°
12
Mist
27°
13
Mist
26°
14
Fog
29°
15
Sunny
31°
16
Sunny
30°
17
Partly cloudy
30°
18
Sunny
32°
19
Sunny
27°
20
Sunny
29°
21
Patchy rain possible
32°
22
Patchy rain possible
25°
23
Patchy rain possible
30°
24
Sunny
29°
25
Sunny
29°
26
Sunny
33°
27
Sunny
35°
28
Sunny
36°
29
Fog
22°
30
Fog
27°

Temperatures trend during September in Bolingbrook

See the weather trend as well as the moving average line

September weather in Bolingbrook day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 24° /14° 0 mm 6
Sept. 2 Sunny
Sunny
 24° /15° 0 mm 6
Sept. 3 Sunny
Sunny
 25° /12° 21.5 mm 6
Sept. 4 Sunny
Sunny
 23° /10° 0 mm 6
Sept. 5 Sunny
Sunny
 25° /13° 0 mm 6
Sept. 6 Patchy rain possible
Patchy rain possible
 19° /8° 1.4 mm 5
Sept. 7 Sunny
Sunny
 18° /7° 0 mm 5
Sept. 8 Overcast
Overcast
 23° /9° 0 mm 5
Sept. 9 Partly cloudy
Partly cloudy
 24° /11° 0 mm 6
Sept. 10 Mist
Mist
 27° /12° 0 mm 6
Sept. 11 Light rain shower
Light rain shower
 28° /16° 13.7 mm 6
Sept. 12 Mist
Mist
 27° /14° 0 mm 6
Sept. 13 Mist
Mist
 26° /16° 0 mm 6
Sept. 14 Fog
Fog
 29° /15° 0 mm 7
Sept. 15 Sunny
Sunny
 31° /15° 0 mm 1.5
Sept. 16 Sunny
Sunny
 30° /16° 0 mm 1.4
Sept. 17 Partly cloudy
Partly cloudy
 30° /15° 0 mm 1.5
Sept. 18 Sunny
Sunny
 32° /18° 0 mm 1.4
Sept. 19 Sunny
Sunny
 27° /18° 0 mm 0
Sept. 20 Sunny
Sunny
 29° /16° 0 mm 6
Sept. 21 Patchy rain possible
Patchy rain possible
 32° /18° 0.1 mm 5
Sept. 22 Patchy rain possible
Patchy rain possible
 25° /18° 0.5 mm 5
Sept. 23 Patchy rain possible
Patchy rain possible
 30° /18° 0.3 mm 5
Sept. 24 Sunny
Sunny
 29° /18° 0 mm 6
Sept. 25 Sunny
Sunny
 29° /19° 0 mm 6
Sept. 26 Sunny
Sunny
 33° /19° 0 mm 7
Sept. 27 Sunny
Sunny
 35° /20° 0 mm 7
Sept. 28 Sunny
Sunny
 36° /22° 0 mm 7
Sept. 29 Fog
Fog
 22° /16° 2.3 mm 5
Sept. 30 Fog
Fog
 27° /15° 0 mm 6
Next
Important Notice
Our weather forecast for Bolingbrook in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Bolingbrook forecast closer to your planned date for the most up-to-date weather information.
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Bolingbrook in September - FAQ

What are the expected maximum and minimum temperatures in Bolingbrook during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bolingbrook during September?
Moderate rainfall is anticipated in Bolingbrook during September, with a total of 78.9 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Bolingbrook during September?
The average wind speed in Bolingbrook during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Bolingbrook

Explore the daily rainfall trends and prepare for Bolingbrooks September weather 💧

UV exposure in Bolingbrook during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Bolingbrook?

Get accurate weather forecasts for Bolingbrook, located at latitude 41.699 and longitude -88.068. Stay updated with localized weather information tailored for Bolingbrook.

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