Mahoning County (Youngstown)
September
Weather in Mahoning County, Ohio for September 2026
Your guide to Mahoning County weather in September - trends and predictions
So far, September 2026 in Mahoning County shows a warmer trend than usual by 4.3 °F.
The forecast for the next days in Mahoning County predicts temperatures to be around 25 °F, close to the historical average.
In general, the average temperature in Mahoning County at the beginning of September is 25.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °F by the end of September.
Mahoning County experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 191.8 mm.
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Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
24°/13°
Temperatures
15 km/h
Avg max wind
71 %
Avg humidity
Mahoning County Weather September
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Temperatures trend during September in Mahoning County
See the weather trend as well as the moving average line
September weather in Mahoning County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Fog | 28° /15° | 0 mm | 6 | |
| Sept. 2 |  Partly cloudy | 26° /15° | 0 mm | 6 | |
| Sept. 3 |  Sunny | 28° /14° | 5.5 mm | 6 | |
| Sept. 4 | Sunny | 24° /14° | 8.9 mm | 4 | |
| Sept. 5 | Sunny | 28° /10° | 0 mm | 7 | |
| Sept. 6 | Sunny | 25° /12° | 21.2 mm | 6 | |
| Sept. 7 |  Patchy rain possible | 20° /10° | 0.1 mm | 5 | |
| Sept. 8 |  Overcast | 22° /8° | 0 mm | 4 | |
| Sept. 9 | Overcast | 29° /20° | 4 mm | 6.9 | |
| Sept. 10 | Light rain shower | 26° /18° | 7.2 mm | 5.4 | |
| Sept. 11 | Sunny | 24° /16° | 0 mm | 6.6 | |
| Sept. 12 | Sunny | 28° /17° | 2.1 mm | 5.7 | |
| Sept. 13 | Fog | 28° /19° | 0.6 mm | 7 | |
| Sept. 14 | Light rain shower | 26° /21° | 2.1 mm | 7 | |
| Sept. 15 | Patchy rain possible | 27° /20° | 6.3 mm | 6 | |
| Sept. 16 | Overcast | 19° /13° | 0.4 mm | 5 | |
| Sept. 17 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 18 | Sunny | 28° /17° | 0.6 mm | 7 | |
| Sept. 19 | Patchy rain possible | 19° /10° | 2.5 mm | 4 | |
| Sept. 20 | Overcast | 18° /7° | 0.6 mm | 4 | |
| Sept. 21 | Sunny | 30° /15° | 0.6 mm | 8 | |
| Sept. 22 | Overcast | 20° /13° | 0.8 mm | 4 | |
| Sept. 23 |  Moderate rain | 22° /17° | 49.5 mm | 5 | |
| Sept. 24 | Light rain shower | 20° /17° | 17.5 mm | 5 | |
| Sept. 25 | Light rain shower | 22° /16° | 42 mm | 5 | |
| Sept. 26 | Fog | 23° /15° | 0 mm | 5 | |
| Sept. 27 | Mist | 23° /15° | 0 mm | 5 | |
| Sept. 28 |  Moderate or heavy rain shower | 23° /17° | 4.7 mm | 6 | |
| Sept. 29 | Fog | 20° /14° | 0 mm | 5 | |
| Sept. 30 | Moderate or heavy rain shower | 22° /14° | 10.5 mm | 5 | |
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Important Notice
Our weather forecast for Mahoning 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 Mahoning County forecast closer to your planned date for the most up-to-date weather information.
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Mahoning County in September - FAQ
What are the expected maximum and minimum temperatures in Mahoning 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 Mahoning County during September?
Significant rainfall exceeding 191.8 mm is expected in Mahoning County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mahoning County during September?
The average wind speed in Mahoning County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Mahoning County
Explore the daily rainfall trends and prepare for Mahoning Countys September weather 💧
Typically, Mahoning County has 10 rainy days in September with a total of 191.8 mm of rainfall.
UV exposure in Mahoning County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Mahoning County?Get accurate weather forecasts for Mahoning County, located at latitude 41.1 and longitude -80.65. Stay updated with localized weather information tailored for Mahoning County.
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