Amherst (OH)
September
Weather in Amherst, Ohio for September 2025
Your guide to Amherst weather in September - trends and predictions
Until now, September 2025 in Amherst is slightly cooler than the historical average by -0.8 °F.
The forecast for the next days in Amherst predicts temperatures to be around 23 °F, close to the historical average.
In general, the average temperature in Amherst at the beginning of September is 22.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.4 °F by the end of September.
Amherst experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 110.2 mm.
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Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
24°/15°
Temperatures
20 km/h
Avg max wind
70 %
Avg humidity
Amherst Weather September
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Temperatures trend during September in Amherst
See the weather trend as well as the moving average line
September weather in Amherst day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain at times | 25° /13° | 0.6 mm | 6 | |
| Sept. 2 |  Overcast | 21° /13° | 0 mm | 5 | |
| Sept. 3 |  Sunny | 25° /11° | 0 mm | 7 | |
| Sept. 4 | Sunny | 23° /13° | 8.6 mm | 6 | |
| Sept. 5 | Sunny | 27° /9° | 0.6 mm | 6 | |
| Sept. 6 |  Moderate or heavy rain shower | 21° /14° | 13.2 mm | 5 | |
| Sept. 7 |  Patchy rain possible | 18° /10° | 1.8 mm | 5 | |
| Sept. 8 | Sunny | 20° /10° | 0 mm | 5 | |
| Sept. 9 |  Partly cloudy | 26° /9° | 0 mm | 7 | |
| Sept. 10 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 11 | Partly cloudy | 24° /14° | 0 mm | 6 | |
| Sept. 12 | Sunny | 26° /12° | 0 mm | 6 | |
| Sept. 13 | Overcast | 25° /9° | 0 mm | 1 | |
| Sept. 14 | Partly cloudy | 26° /16° | 0 mm | 1.4 | |
| Sept. 15 |  Fog | 24° /14° | 0 mm | 1.5 | |
| Sept. 16 | Fog | 25° /15° | 0 mm | 1.5 | |
| Sept. 17 | Sunny | 26° /16° | 0 mm | 0 | |
| Sept. 18 | Patchy rain possible | 29° /17° | 0.2 mm | 5 | |
| Sept. 19 | Patchy rain possible | 28° /19° | 2 mm | 5 | |
| Sept. 20 | Patchy rain possible | 23° /17° | 3.7 mm | 4 | |
| Sept. 21 | Patchy rain possible | 17° /15° | 0.1 mm | 4 | |
| Sept. 22 | Partly cloudy | 20° /12° | 0 mm | 5 | |
| Sept. 23 | Patchy rain possible | 19° /16° | 3.3 mm | 4 | |
| Sept. 24 | Patchy rain possible | 20° /15° | 0.4 mm | 4 | |
| Sept. 25 | Sunny | 20° /12° | 0 mm | 5 | |
| Sept. 26 | Partly cloudy | 19° /9° | 0 mm | 4 | |
| Sept. 27 | Heavy rain at times | 22° /17° | 5.4 mm | 5 | |
| Sept. 28 | Moderate rain at times | 22° /18° | 4.6 mm | 5 | |
| Sept. 29 | Heavy rain at times | 21° /19° | 12 mm | 5 | |
| Sept. 30 | Overcast | 19° /16° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Amherst 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 Amherst forecast closer to your planned date for the most up-to-date weather information.
Change Month
Amherst in September - FAQ
What are the expected maximum and minimum temperatures in Amherst during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Amherst during September?
Significant rainfall exceeding 110.2 mm is expected in Amherst during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Amherst during September?
The average wind speed in Amherst during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Amherst
Explore the daily rainfall trends and prepare for Amhersts September weather 💧
UV exposure in Amherst during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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