Deer Valley
September
Weather in Deer Valley for September 2025
Your guide to Deer Valley weather in September - trends and predictions
In general, the average temperature in Deer Valley at the beginning of September is 39.1 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 39.3 °F by the end of September.
With an average of 3 rainy days, Deer Valley experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
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27
Dry days
3
Rainy days
0
Snow days
38°/22°
Temperatures
17 km/h
Avg max wind
24 %
Avg humidity
Deer Valley in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  37° | 2  38° | 3 39° | 4  39° | 5 40° | 6 40° | 7 41° |
| 8 40° | 9 41° | 10  40° | 11 39° | 12  36° | 13  37° | 14 36° |
| 15 36° | 16 37° | 17 34° | 18 35° | 19 35° | 20 33° | 21 32° |
| 22  35° | 23 37° | 24 38° | 25 40° | 26 41° | 27 40° | 28 40° |
| 29 39° | 30 37° |
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Temperatures trend during September in Deer Valley
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 | Light rain shower | 37° /26° | 21.3 mm | 8 | |
| Sept. 2 | Partly cloudy | 38° /28° | 0.1 mm | 9 | |
| Sept. 3 | Partly cloudy | 39° /27° | 0 mm | 9 | |
| Sept. 4 | Sunny | 39° /29° | 0 mm | 10 | |
| Sept. 5 | Sunny | 40° /28° | 0 mm | 10 | |
| Sept. 6 | Sunny | 40° /27° | 0.1 mm | 10 | |
| Sept. 7 | Sunny | 41° /27° | 0.1 mm | 9 | |
| Sept. 8 | Partly cloudy | 40° /27° | 0 mm | 9 | |
| Sept. 9 | Sunny | 41° /28° | 0 mm | 10 | |
| Sept. 10 | Overcast | 40° /28° | 0 mm | 9 | |
| Sept. 11 | Overcast | 39° /29° | 0 mm | 9 | |
| Sept. 12 | Thundery outbreaks possible | 36° /28° | 1.8 mm | 9 | |
| Sept. 13 | Patchy light rain with thunder | 37° /26° | 2.5 mm | 9 | |
| Sept. 14 | Sunny | 36° /25° | 0 mm | 9 | |
| Sept. 15 | Sunny | 36° /24° | 2.7 mm | 8 | |
| Sept. 16 | Sunny | 37° /23° | 0.1 mm | 9 | |
| Sept. 17 | Overcast | 34° /23° | 0 mm | 8 | |
| Sept. 18 | Sunny | 35° /20° | 0 mm | 9 | |
| Sept. 19 | Sunny | 35° /19° | 0 mm | 9 | |
| Sept. 20 | Overcast | 33° /20° | 0 mm | 8 | |
| Sept. 21 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 22 | Cloudy | 35° /19° | 0 mm | 8 | |
| Sept. 23 | Overcast | 37° /20° | 0 mm | 9 | |
| Sept. 24 | Sunny | 38° /20° | 0 mm | 9 | |
| Sept. 25 | Sunny | 40° /20° | 0 mm | 10 | |
| Sept. 26 | Sunny | 41° /23° | 0 mm | 10 | |
| Sept. 27 | Cloudy | 40° /22° | 0 mm | 9 | |
| Sept. 28 | Overcast | 40° /23° | 0 mm | 9 | |
| Sept. 29 | Sunny | 39° /24° | 0 mm | 10 | |
| Sept. 30 | Sunny | 37° /22° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Deer Valley 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 Deer Valley forecast closer to your planned date for the most up-to-date weather information.
Deer Valley in September - FAQ
What are the expected maximum and minimum temperatures in Deer Valley during September?
With daytime temperatures soaring above 38° and not dropping much below 22° at night, September in Deer Valley is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Deer Valley during September?
Moderate rainfall is anticipated in Deer Valley during September, with a total of 50.4 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Deer Valley during September?
The average wind speed in Deer Valley during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Deer Valley
Explore the daily rainfall trends and prepare for Deer Valleys September weather 💧
UV exposure in Deer Valley during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Deer Valley?Get accurate weather forecasts for Deer Valley, located at latitude 33.684 and longitude -112.135. Stay updated with localized weather information tailored for Deer Valley.
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