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Weather in South Bend for September 2025

Your guide to South Bend weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in South Bend at the beginning of September is 24.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.1 °F by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, South Bend experiences minimal rainfall in September.

    • More

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Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/13°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
63 %
Avg humidity

South Bend Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
24°
2
Sunny
23°
3
Sunny
26°
4
Sunny
29°
5
Partly cloudy
31°
6
Light rain shower
20°
7
Patchy rain possible
17°
8
Sunny
21°
9
Sunny
27°
10
Sunny
30°
11
Partly cloudy
33°
12
Sunny
32°
13
Overcast
30°
14
Sunny
31°
15
Sunny
33°
16
Sunny
32°
17
Fog
27°
18
Fog
27°
19
Fog
28°
20
Overcast
28°
21
Fog
28°
22
Light rain shower
23°
23
Overcast
23°
24
Mist
17°
25
Fog
22°
26
Mist
23°
27
Overcast
23°
28
Overcast
19°
29
Overcast
23°
30
Overcast
21°
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Access South Bend weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during September in South Bend

See the weather trend as well as the moving average line

September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Partly cloudy
Partly cloudy
 24° /15° 0 mm 6
Sept. 2 Sunny
Sunny
 23° /10° 0 mm 6
Sept. 3 Sunny
Sunny
 26° /9° 0 mm 7
Sept. 4 Sunny
Sunny
 29° /10° 0 mm 7
Sept. 5 Partly cloudy
Partly cloudy
 31° /16° 0 mm 8
Sept. 6 Light rain shower
Light rain shower
 20° /13° 5.8 mm 5
Sept. 7 Patchy rain possible
Patchy rain possible
 17° /8° 0.1 mm 4
Sept. 8 Sunny
Sunny
 21° /6° 0 mm 6
Sept. 9 Sunny
Sunny
 27° /11° 0 mm 7
Sept. 10 Sunny
Sunny
 30° /13° 0 mm 8
Sept. 11 Partly cloudy
Partly cloudy
 33° /15° 0 mm 8
Sept. 12 Sunny
Sunny
 32° /15° 0 mm 8
Sept. 13 Overcast
Overcast
 30° /17° 0 mm 7
Sept. 14 Sunny
Sunny
 31° /16° 0 mm 8
Sept. 15 Sunny
Sunny
 33° /17° 0 mm 8
Sept. 16 Sunny
Sunny
 32° /15° 0 mm 8
Sept. 17 Fog
Fog
 27° /10° 0 mm 6
Sept. 18 Fog
Fog
 27° /13° 0 mm 6
Sept. 19 Fog
Fog
 28° /14° 0 mm 6
Sept. 20 Overcast
Overcast
 28° /16° 0 mm 6
Sept. 21 Fog
Fog
 28° /11° 0 mm 6
Sept. 22 Light rain shower
Light rain shower
 23° /17° 9.1 mm 5
Sept. 23 Overcast
Overcast
 23° /14° 2.6 mm 5
Sept. 24 Mist
Mist
 17° /15° 0 mm 4
Sept. 25 Fog
Fog
 22° /15° 0 mm 5
Sept. 26 Mist
Mist
 23° /8° 0 mm 5
Sept. 27 Overcast
Overcast
 23° /12° 0 mm 5
Sept. 28 Overcast
Overcast
 19° /16° 0 mm 4
Sept. 29 Overcast
Overcast
 23° /16° 0 mm 5
Sept. 30 Overcast
Overcast
 21° /18° 0 mm 5
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Important Notice
Our weather forecast for South Bend 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 South Bend forecast closer to your planned date for the most up-to-date weather information.

South Bend in September - FAQ

What are the expected maximum and minimum temperatures in South Bend during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Bend during September?
Expect minimal rainfall in South Bend during September, with a total of 17.6 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in South Bend during September?
The average wind speed in South Bend during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in South Bend

Explore the daily rainfall trends and prepare for South Bends September weather 💧

UV exposure in South Bend during September

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

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Location coordinates Where is South Bend?

Get accurate weather forecasts for South Bend, located at latitude 41.683 and longitude -86.25. Stay updated with localized weather information tailored for South Bend.

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