Scottsdale
September
Weather in Scottsdale for September 2025
Your guide to Scottsdale weather in September - trends and predictions
In general, the average temperature in Scottsdale at the beginning of September is 40 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 40.7 °F by the end of September.
With an average of 3 rainy days, Scottsdale 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
39°/25°
Temperatures
16 km/h
Avg max wind
23 %
Avg humidity
Scottsdale in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  38° | 2  39° | 3  40° | 4 40° | 5  40° | 6 41° | 7 42° |
| 8 40° | 9 43° | 10  42° | 11 40° | 12  37° | 13 37° | 14 38° |
| 15 37° | 16 39° | 17 36° | 18 37° | 19 37° | 20 35° | 21 34° |
| 22 36° | 23 38° | 24 39° | 25 41° | 26 42° | 27 42° | 28 42° |
| 29 40° | 30 39° |
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Temperatures trend during September in Scottsdale
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 | 38° /26° | 9.9 mm | 8 | |
| Sept. 2 | Patchy rain possible | 39° /27° | 0.6 mm | 9 | |
| Sept. 3 | Partly cloudy | 40° /28° | 0 mm | 10 | |
| Sept. 4 | Partly cloudy | 40° /29° | 0 mm | 10 | |
| Sept. 5 | Sunny | 40° /28° | 0 mm | 10 | |
| Sept. 6 | Sunny | 41° /28° | 0 mm | 10 | |
| Sept. 7 | Sunny | 42° /29° | 0 mm | 10 | |
| Sept. 8 | Sunny | 40° /29° | 0 mm | 10 | |
| Sept. 9 | Sunny | 43° /28° | 0 mm | 11 | |
| Sept. 10 | Overcast | 42° /29° | 0 mm | 10 | |
| Sept. 11 | Overcast | 40° /30° | 0 mm | 10 | |
| Sept. 12 | Thundery outbreaks possible | 37° /29° | 0 mm | 8 | |
| Sept. 13 | Patchy light rain with thunder | 37° /26° | 1.3 mm | 9 | |
| Sept. 14 | Sunny | 38° /26° | 0 mm | 9 | |
| Sept. 15 | Sunny | 37° /26° | 2.9 mm | 9 | |
| Sept. 16 | Sunny | 39° /25° | 0.2 mm | 9 | |
| Sept. 17 | Partly cloudy | 36° /24° | 0 mm | 9 | |
| Sept. 18 | Sunny | 37° /22° | 0 mm | 9 | |
| Sept. 19 | Sunny | 37° /22° | 0 mm | 9 | |
| Sept. 20 | Overcast | 35° /22° | 0 mm | 8 | |
| Sept. 21 | Sunny | 34° /20° | 0 mm | 8 | |
| Sept. 22 | Partly cloudy | 36° /21° | 0 mm | 9 | |
| Sept. 23 | Partly cloudy | 38° /22° | 0 mm | 9 | |
| Sept. 24 | Sunny | 39° /23° | 0 mm | 9 | |
| Sept. 25 | Sunny | 41° /23° | 0 mm | 10 | |
| Sept. 26 | Sunny | 42° /24° | 0 mm | 10 | |
| Sept. 27 | Overcast | 42° /25° | 0 mm | 10 | |
| Sept. 28 | Overcast | 42° /25° | 0 mm | 9 | |
| Sept. 29 | Sunny | 40° /26° | 0 mm | 10 | |
| Sept. 30 | Sunny | 39° /24° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Scottsdale 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 Scottsdale forecast closer to your planned date for the most up-to-date weather information.
Scottsdale in September - FAQ
What are the expected maximum and minimum temperatures in Scottsdale during September?
With daytime temperatures soaring above 39° and not dropping much below 25° at night, September in Scottsdale is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Scottsdale during September?
In September, Scottsdale can expect light to moderate rainfall, totaling 22.6 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Scottsdale during September?
The average wind speed in Scottsdale during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Scottsdale
Explore the daily rainfall trends and prepare for Scottsdales September weather 💧
UV exposure in Scottsdale during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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