Columbus (OH)
September
Weather in Columbus, Ohio for September 2026
Your guide to Columbus weather in September - trends and predictions
So far, September 2026 in Columbus shows a warmer trend than usual by 3.9 °F.
Expect cooler weather in the next days in Columbus with the forecast suggesting a temperature of 24.7 °F, lower than the historical average.
In general, the average temperature in Columbus at the beginning of September is 28.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.6 °F by the end of September.
Columbus experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 108.8 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
26°/15°
Temperatures
14 km/h
Avg max wind
65 %
Avg humidity
Columbus Weather September
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Temperatures trend during September in Columbus
See the weather trend as well as the moving average line
September weather in Columbus day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 29° /16° | 0.9 mm | 7 | |
| Sept. 2 |  Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 3 |  Partly cloudy | 29° /16° | 1 mm | 7 | |
| Sept. 4 |  Moderate or heavy rain shower | 29° /17° | 11.6 mm | 7 | |
| Sept. 5 | Moderate rain at times | 29° /17° | 29.4 mm | 6 | |
| Sept. 6 | Light rain shower | 27° /16° | 6.5 mm | 6 | |
| Sept. 7 | Sunny | 25° /14° | 0.2 mm | 6 | |
| Sept. 8 | Sunny | 26° /13° | 2 mm | 6 | |
| Sept. 9 | Sunny | 28° /14° | 1.8 mm | 6 | |
| Sept. 10 | Sunny | 26° /16° | 0.5 mm | 6 | |
| Sept. 11 |  Overcast | 27° /19° | 3.3 mm | 4 | |
| Sept. 12 | Light rain shower | 23° /19° | 4.5 mm | 6.6 | |
| Sept. 13 |  Fog | 30° /20° | 0 mm | 6.9 | |
| Sept. 14 | Partly cloudy | 26° /19° | 0.2 mm | 6.8 | |
| Sept. 15 | Sunny | 33° /21° | 0 mm | 8 | |
| Sept. 16 | Sunny | 32° /23° | 4.7 mm | 8 | |
| Sept. 17 | Light rain shower | 24° /14° | 17.3 mm | 5 | |
| Sept. 18 | Sunny | 18° /11° | 0 mm | 5 | |
| Sept. 19 | Sunny | 20° /11° | 0 mm | 6 | |
| Sept. 20 | Sunny | 23° /13° | 0 mm | 6 | |
| Sept. 21 | Sunny | 23° /15° | 0 mm | 6 | |
| Sept. 22 | Sunny | 21° /14° | 0 mm | 6 | |
| Sept. 23 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 24 | Sunny | 24° /14° | 0 mm | 6 | |
| Sept. 25 | Fog | 22° /15° | 1 mm | 5 | |
| Sept. 26 | Sunny | 24° /13° | 0.2 mm | 5 | |
| Sept. 27 | Partly cloudy | 24° /13° | 4.7 mm | 6 | |
| Sept. 28 | Overcast | 23° /13° | 2.2 mm | 5 | |
| Sept. 29 | Sunny | 25° /13° | 2.5 mm | 6 | |
| Sept. 30 | Sunny | 23° /13° | 2.8 mm | 6 | |
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Important Notice
Our weather forecast for Columbus 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 Columbus forecast closer to your planned date for the most up-to-date weather information.
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Columbus in September - FAQ
What are the expected maximum and minimum temperatures in Columbus during September?
During September, expect a variety of temperatures with highs around 26° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Columbus during September?
Significant rainfall exceeding 108.8 mm is expected in Columbus during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Columbus during September?
The average wind speed in Columbus during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Columbus
Explore the daily rainfall trends and prepare for Columbuss September weather 💧
Typically, Columbus has 8 rainy days in September with a total of 108.8 mm of rainfall.
UV exposure in Columbus during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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