Oro Valley (AZ)
September
Weather in Oro Valley, Arizona for September 2026
Your guide to Oro Valley weather in September - trends and predictions
So far, September 2026 in Oro Valley is slightly warmer than the historical average by 1.9 °F.
The forecast for the next days in Oro Valley predicts temperatures to be around 34 °F, close to the historical average.
In general, the average temperature in Oro Valley at the beginning of September is 33.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 31.9 °F by the end of September.
The climate of Oro Valley in September is notably wet, with an average of 12 rainy days, and a total of 246.3 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
32°/19°
Temperatures
20 km/h
Avg max wind
52 %
Avg humidity
Oro Valley Weather September
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Temperatures trend during September in Oro Valley
See the weather trend as well as the moving average line
September weather in Oro Valley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 36° /20° | 2.3 mm | 11 | |
| Sept. 2 |  Light rain shower | 35° /22° | 4 mm | 8 | |
| Sept. 3 |  Thundery outbreaks possible | 35° /20° | 18.4 mm | 11 | |
| Sept. 4 | Thundery outbreaks possible | 33° /21° | 3.5 mm | 8 | |
| Sept. 5 |  Heavy rain | 29° /19° | 23.4 mm | 4 | |
| Sept. 6 |  Moderate or heavy rain shower | 34° /21° | 7.6 mm | 11 | |
| Sept. 7 | Thundery outbreaks possible | 35° /22° | 0 mm | 9 | |
| Sept. 8 |  Sunny | 37° /23° | 0 mm | 8 | |
| Sept. 9 | Sunny | 36° /23° | 0.1 mm | 7 | |
| Sept. 10 | Sunny | 39° /25° | 0 mm | 9.8 | |
| Sept. 11 | Sunny | 34° /25° | 0.9 mm | 9.5 | |
| Sept. 12 | Sunny | 33° /25° | 9.3 mm | 9.7 | |
| Sept. 13 | Sunny | 35° /25° | 2 mm | 9.6 | |
| Sept. 14 | Sunny | 34° /25° | 5.6 mm | 9.6 | |
| Sept. 15 | Light rain shower | 31° /22° | 11.8 mm | 8 | |
| Sept. 16 | Patchy rain possible | 32° /23° | 25.5 mm | 8 | |
| Sept. 17 | Overcast | 32° /23° | 2.6 mm | 8 | |
| Sept. 18 | Sunny | 35° /26° | 0 mm | 9 | |
| Sept. 19 | Sunny | 36° /28° | 0 mm | 9 | |
| Sept. 20 | Sunny | 35° /27° | 0 mm | 8 | |
| Sept. 21 | Overcast | 32° /26° | 0 mm | 7 | |
| Sept. 22 | Sunny | 34° /25° | 0 mm | 8 | |
| Sept. 23 | Sunny | 32° /23° | 0 mm | 8 | |
| Sept. 24 | Sunny | 36° /21° | 0 mm | 8 | |
| Sept. 25 | Sunny | 37° /20° | 0 mm | 8 | |
| Sept. 26 |  Patchy light rain with thunder | 28° /17° | 70.7 mm | 4 | |
| Sept. 27 |  Partly cloudy | 29° /17° | 12 mm | 8 | |
| Sept. 28 | Sunny | 30° /15° | 0 mm | 7 | |
| Sept. 29 | Partly cloudy | 30° /15° | 0 mm | 7 | |
| Sept. 30 | Sunny | 33° /16° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Oro 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 Oro Valley forecast closer to your planned date for the most up-to-date weather information.
Change Month
Oro Valley in September - FAQ
What are the expected maximum and minimum temperatures in Oro Valley during September?
Expect warm days with temperatures around 32°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Oro Valley during September?
Significant rainfall exceeding 246.3 mm is expected in Oro Valley during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Oro Valley during September?
The average wind speed in Oro Valley during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Oro Valley
Explore the daily rainfall trends and prepare for Oro Valleys September weather 💧
Typically, Oro Valley has 12 rainy days in September with a total of 246.3 mm of rainfall.
UV exposure in Oro Valley during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Oro Valley?Get accurate weather forecasts for Oro Valley, located at latitude 32.391 and longitude -110.966. Stay updated with localized weather information tailored for Oro Valley.
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