Weather in Zion National Park, Utah for September 2026
Extreme Heat Warning - See hour by hour.
Until now, September 2026 in Zion National Park has been significantly warmer than historical averages.
The forecast for the upcoming days in Zion National Park predicts a temperature of 28.9 °F, which is slightly above the historical average.
In general, the average temperature in Zion National Park at the beginning of September is 27 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °F by the end of September.
Zion National Park experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 46 mm.
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Zion National Park Weather September
Temperatures trend during September in Zion National Park
September weather in Zion National Park day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 28° /17° | 0.2 mm | 7 | |
| Sept. 2 | Sunny | 28° /18° | 0 mm | 7 | |
| Sept. 3 |  Patchy rain possible | 28° /17° | 0.1 mm | 7 | |
| Sept. 4 |  Partly cloudy | 28° /17° | 0 mm | 7 | |
| Sept. 5 | Sunny | 27° /16° | 11.3 mm | 7 | |
| Sept. 6 | Sunny | 24° /14° | 9.4 mm | 5 | |
| Sept. 7 | Patchy rain possible | 26° /15° | 0 mm | 6 | |
| Sept. 8 | Sunny | 27° /16° | 0.8 mm | 7 | |
| Sept. 9 | Sunny | 35° /21° | 0 mm | 9.1 | |
| Sept. 10 | Sunny | 31° /20° | 0 mm | 9.1 | |
| Sept. 11 | Sunny | 30° /19° | 0.7 mm | 9 | |
| Sept. 12 | Sunny | 29° /19° | 0 mm | 7.4 | |
| Sept. 13 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 14 | Sunny | 28° /17° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 16 | Sunny | 28° /19° | 0 mm | 7 | |
| Sept. 17 | Patchy rain possible | 29° /18° | 1.5 mm | 7 | |
| Sept. 18 | Patchy rain possible | 27° /18° | 7.4 mm | 6 | |
| Sept. 19 | Patchy rain possible | 25° /19° | 6.6 mm | 6 | |
| Sept. 20 | Sunny | 28° /18° | 0 mm | 7 | |
| Sept. 21 | Sunny | 29° /19° | 0 mm | 7 | |
| Sept. 22 | Sunny | 31° /19° | 0 mm | 8 | |
| Sept. 23 | Sunny | 22° /11° | 0 mm | 6 | |
| Sept. 24 | Sunny | 23° /10° | 0 mm | 6 | |
| Sept. 25 | Sunny | 23° /13° | 7.7 mm | 6 | |
| Sept. 26 | Sunny | 21° /13° | 1 mm | 5 | |
| Sept. 27 | Sunny | 21° /12° | 10 mm | 6 | |
| Sept. 28 | Sunny | 19° /11° | 1.8 mm | 5 | |
| Sept. 29 | Sunny | 21° /12° | 0 mm | 6 | |
| Sept. 30 | Sunny | 22° /15° | 0 mm | 6 | |
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Zion National Park in September - FAQ
What are the expected maximum and minimum temperatures in Zion National Park during September?
How much rainfall should be expected in Zion National Park during September?
What are the typical wind conditions in Zion National Park during September?
September rainfall patterns in Zion National Park
UV exposure in Zion National Park during September
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Where is Zion National Park?Get accurate weather forecasts for Zion National Park, located at latitude 37.298 and longitude -113.026. Stay updated with localized weather information tailored for Zion National Park.