Utah (Salt Lake City)
September
Weather in Utah for September 2025
Your guide to Utah weather in September - trends and predictions
Until now, September 2025 in Utah has been nearly identical to the historical average, with a temperature of 29.8 °F (showing only a slight deviation of 0.5 °F).
The forecast for the next days in Utah predicts a temperature of 24.1 °F, which is cooler than the historical average.
In general, the average temperature in Utah at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.7 °F by the end of September.
Utah experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 21.9 mm.
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Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
27°/12°
Temperatures
19 km/h
Avg max wind
36 %
Avg humidity
Utah Weather September
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What’s the Weather Like in Utah This September?
Discover the average temperatures and weather trends across Utah’s cities this September.
Temperatures trend during September in Utah
See the weather trend as well as the moving average line
September weather in Utah day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 33° /15° | 5.4 mm | 8 | |
| Sept. 2 |  Cloudy | 32° /15° | 1.7 mm | 7 | |
| Sept. 3 |  Partly cloudy | 30° /16° | 2.4 mm | 7 | |
| Sept. 4 |  Patchy light rain with thunder | 27° /14° | 0.7 mm | 6 | |
| Sept. 5 | Sunny | 28° /12° | 0 mm | 7 | |
| Sept. 6 | Sunny | 30° /14° | 0 mm | 8 | |
| Sept. 7 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 8 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 9 | Sunny | 31° /16° | 0.1 mm | 7 | |
| Sept. 10 | Sunny | 31° /15° | 0.4 mm | 7 | |
| Sept. 11 | Partly cloudy | 30° /14° | 0.8 mm | 7 | |
| Sept. 12 |  Overcast | 24° /11° | 0.8 mm | 6 | |
| Sept. 13 | Cloudy | 24° /10° | 0 mm | 5 | |
| Sept. 14 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 15 | Sunny | 25° /11° | 0 mm | 1.6 | |
| Sept. 16 | Sunny | 23° /5° | 0 mm | 1.6 | |
| Sept. 17 | Sunny | 24° /5° | 0 mm | 1.7 | |
| Sept. 18 | Sunny | 27° /11° | 0 mm | 1.7 | |
| Sept. 19 | Partly cloudy | 29° /13° | 0 mm | 0 | |
| Sept. 20 |  Patchy rain possible | 28° /15° | 0.2 mm | 5 | |
| Sept. 21 | Sunny | 28° /17° | 0 mm | 6 | |
| Sept. 22 | Sunny | 28° /14° | 0 mm | 6 | |
| Sept. 23 |  Moderate rain | 20° /14° | 12.5 mm | 4 | |
| Sept. 24 | Patchy rain possible | 25° /13° | 2.2 mm | 4 | |
| Sept. 25 | Sunny | 26° /14° | 0 mm | 5 | |
| Sept. 26 | Sunny | 27° /14° | 0 mm | 6 | |
| Sept. 27 | Patchy rain possible | 15° /9° | 2.4 mm | 3 | |
| Sept. 28 | Patchy rain possible | 12° /6° | 3.4 mm | 2 | |
| Sept. 29 | Sunny | 30° /12° | 0 mm | 8 | |
| Sept. 30 | Overcast | 24° /12° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Utah 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 Utah forecast closer to your planned date for the most up-to-date weather information.
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Utah in September - FAQ
What are the expected maximum and minimum temperatures in Utah during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Utah during September?
In September, Utah can expect light to moderate rainfall, totaling 21.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Utah during September?
The average wind speed in Utah during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Utah
Explore the daily rainfall trends and prepare for Utahs September weather 💧
UV exposure in Utah during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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