September
Weather in Utah for September 2025
Your guide to Utah weather in September - trends and predictions
In general, the average temperature in Utah at the beginning of September is 29.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28 °F by the end of September.
Utah sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
27°/11°
Temperatures
19 km/h
Avg max wind
39 %
Avg humidity
Utah in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  31° | 3  29° | 4 24° | 5  27° | 6 31° | 7 32° |
| 8 31° | 9 31° | 10 30° | 11 31° | 12  23° | 13 25° | 14 27° |
| 15 28° | 16 27° | 17 24° | 18  24° | 19  26° | 20 26° | 21 21° |
| 22 21° | 23 21° | 24 25° | 25 31° | 26 30° | 27 29° | 28 27° |
| 29 30° | 30 24° |
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Temperatures trend during September in Utah
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy light rain with thunder | 33° /16° | 8.1 mm | 8 | |
| Sept. 2 | Cloudy | 31° /16° | 2.5 mm | 7 | |
| Sept. 3 | Partly cloudy | 29° /16° | 3.6 mm | 7 | |
| Sept. 4 | Patchy light rain with thunder | 24° /13° | 1.1 mm | 6 | |
| Sept. 5 | Sunny | 27° /10° | 0 mm | 7 | |
| Sept. 6 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 7 | Sunny | 32° /15° | 0 mm | 8 | |
| Sept. 8 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 9 | Sunny | 31° /15° | 0.2 mm | 8 | |
| Sept. 10 | Sunny | 30° /15° | 0.6 mm | 7 | |
| Sept. 11 | Cloudy | 31° /13° | 0 mm | 7 | |
| Sept. 12 | Overcast | 23° /11° | 1.1 mm | 5 | |
| Sept. 13 | Cloudy | 25° /10° | 0 mm | 6 | |
| Sept. 14 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 15 | Sunny | 28° /12° | 0.5 mm | 7 | |
| Sept. 16 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 17 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 18 | Patchy rain possible | 24° /11° | 0.4 mm | 6 | |
| Sept. 19 | Thundery outbreaks possible | 26° /9° | 0 mm | 6 | |
| Sept. 20 | Patchy rain possible | 26° /10° | 0.3 mm | 6 | |
| Sept. 21 | Patchy rain possible | 21° /9° | 0.6 mm | 5 | |
| Sept. 22 | Patchy light rain with thunder | 21° /8° | 2.9 mm | 5 | |
| Sept. 23 | Sunny | 21° /6° | 0 mm | 6 | |
| Sept. 24 | Cloudy | 25° /7° | 0 mm | 7 | |
| Sept. 25 | Sunny | 31° /8° | 0 mm | 8 | |
| Sept. 26 | Sunny | 30° /14° | 0 mm | 8 | |
| Sept. 27 | Sunny | 29° /11° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 27° /10° | 0 mm | 7 | |
| 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.
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 11°. 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 36.3 mm across approximately 8 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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