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Weather in Summit County, Ohio for September 2026

Your guide to Summit County weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Summit County shows a warmer trend than usual by 3.9 °F.

  • Expect cooler weather in the next days in Summit County with the forecast suggesting a temperature of 22.9 °F, lower than the historical average.

  • In general, the average temperature in Summit County at the beginning of September is 26.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °F by the end of September.

  • Rain 🌧️

  • The climate of Summit County in September is notably wet, with an average of 14 rainy days, and a total of 101.2 mm of precipitation.

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Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Summit County Weather September

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Temperatures trend during September in Summit County

See the weather trend as well as the moving average line

September weather in Summit County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Fog
Fog
27° /13° 0 mm 6
Sept. 2 Cloudy
Cloudy
28° /14° 0 mm 6
Sept. 3 Sunny
Sunny
30° /15° 0 mm 7
Sept. 4 Sunny
Sunny
27° /15° 4.5 mm 6
Sept. 5 Thundery outbreaks possible
Thundery outbreaks possible
28° /13° 14.9 mm 6
Sept. 6 Cloudy
Cloudy
26° /14° 9.7 mm 7
Sept. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
22° /12° 3.8 mm 5
Sept. 8 Overcast
Overcast
24° /11° 0 mm 5
Sept. 9 Mist
Mist
27° /12° 3.8 mm 6
Sept. 10 Light rain shower
Light rain shower
26° /14° 1.1 mm 5
Sept. 11 Patchy rain possible
Patchy rain possible
25° /16° 0.1 mm 6.7
Sept. 12 Overcast
Overcast
24° /19° 0 mm 3.5
Sept. 13 Fog
Fog
27° /19° 1.3 mm 6.6
Sept. 14 Overcast
Overcast
22° /14° 1.7 mm 5.3
Sept. 15 Sunny
Sunny
30° /18° 0 mm 8
Sept. 16 Patchy rain possible
Patchy rain possible
30° /22° 10.5 mm 7
Sept. 17 Light rain shower
Light rain shower
21° /14° 21 mm 4
Sept. 18 Sunny
Sunny
18° /13° 0 mm 5
Sept. 19 Sunny
Sunny
19° /11° 0 mm 5
Sept. 20 Sunny
Sunny
21° /11° 0 mm 6
Sept. 21 Sunny
Sunny
21° /13° 0 mm 6
Sept. 22 Overcast
Overcast
19° /13° 0 mm 4
Sept. 23 Sunny
Sunny
20° /12° 0 mm 5
Sept. 24 Sunny
Sunny
23° /13° 0 mm 6
Sept. 25 Patchy rain possible
Patchy rain possible
22° /15° 2.9 mm 5
Sept. 26 Fog
Fog
23° /15° 0 mm 5
Sept. 27 Light rain shower
Light rain shower
22° /14° 0.2 mm 5
Sept. 28 Light rain shower
Light rain shower
22° /14° 1.5 mm 5
Sept. 29 Light rain shower
Light rain shower
23° /13° 1.1 mm 5
Sept. 30 Fog
Fog
23° /13° 3.5 mm 5
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Important Notice
Our weather forecast for Summit County 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 Summit County forecast closer to your planned date for the most up-to-date weather information.

Summit County in September - FAQ

What are the expected maximum and minimum temperatures in Summit County during September?

Enjoy moderate daytime temperatures of up to 24° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Summit County during September?

Significant rainfall exceeding 101.2 mm is expected in Summit County during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Summit County during September?

The average wind speed in Summit County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Summit County

Explore the daily rainfall trends and prepare for Summit Countys September weather 💧
Typically, Summit County has 14 rainy days in September with a total of 101.2 mm of rainfall.

UV exposure in Summit County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Summit County?

Get accurate weather forecasts for Summit County, located at latitude 41.081 and longitude -81.519. Stay updated with localized weather information tailored for Summit County.

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