Weather in American Fork, Utah for September 2026
Until now, September 2026 in American Fork has been nearly identical to the historical average, with a temperature of 30.7 °F (showing only a slight deviation of 0.4 °F).
The forecast for the next days in American Fork predicts a temperature of 24.4 °F, which is cooler than the historical average.
In general, the average temperature in American Fork at the beginning of September is 31.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26 °F by the end of September.
Precipitation in American Fork during September is a rare event, with an average of fewer than 2 rainy days.
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American Fork Weather September
Temperatures trend during September in American Fork
September weather in American Fork day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 31° /12° | 0 mm | 9 | |
| Sept. 2 | Sunny | 33° /12° | 0 mm | 10 | |
| Sept. 3 | Sunny | 32° /13° | 0 mm | 9 | |
| Sept. 4 |  Overcast | 33° /13° | 0 mm | 9 | |
| Sept. 5 |  Partly cloudy | 32° /15° | 0 mm | 9 | |
| Sept. 6 |  Cloudy | 29° /13° | 1.2 mm | 9 | |
| Sept. 7 | Sunny | 28° /13° | 0 mm | 9 | |
| Sept. 8 | Sunny | 30° /11° | 0 mm | 8 | |
| Sept. 9 | Sunny | 30° /14° | 0 mm | 8.4 | |
| Sept. 10 | Sunny | 26° /13° | 0 mm | 8 | |
| Sept. 11 | Overcast | 26° /16° | 1 mm | 7.8 | |
| Sept. 12 | Sunny | 28° /15° | 0.4 mm | 7.8 | |
| Sept. 13 | Sunny | 18° /9° | 0 mm | 5 | |
| Sept. 14 | Overcast | 22° /8° | 0 mm | 6 | |
| Sept. 15 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 16 | Sunny | 26° /14° | 0.6 mm | 7 | |
| Sept. 17 | Sunny | 28° /15° | 8.3 mm | 7 | |
| Sept. 18 |  Light rain shower | 22° /14° | 8.8 mm | 5 | |
| Sept. 19 | Light rain shower | 22° /15° | 7.5 mm | 5 | |
| Sept. 20 | Sunny | 21° /12° | 2.5 mm | 6 | |
| Sept. 21 | Sunny | 22° /11° | 0 mm | 5 | |
| Sept. 22 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 23 | Sunny | 23° /2° | 0 mm | 6 | |
| Sept. 24 | Sunny | 26° /4° | 0 mm | 6 | |
| Sept. 25 | Sunny | 29° /6° | 0 mm | 6 | |
| Sept. 26 |  Thundery outbreaks possible | 27° /11° | 0 mm | 6 | |
| Sept. 27 | Sunny | 28° /8° | 0 mm | 6 | |
| Sept. 28 | Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 29 | Sunny | 25° /12° | 0 mm | 6 | |
| Sept. 30 | Thundery outbreaks possible | 23° /13° | 0 mm | 6 | |
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American Fork in September - FAQ
What are the expected maximum and minimum temperatures in American Fork during September?
How much rainfall should be expected in American Fork during September?
What are the typical wind conditions in American Fork during September?
September rainfall patterns in American Fork
UV exposure in American Fork during September
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Where is American Fork?Get accurate weather forecasts for American Fork, located at latitude 40.377 and longitude -111.796. Stay updated with localized weather information tailored for American Fork.