Tucson (AZ)
September
Weather in Tucson, Arizona for September 2026
Your guide to Tucson weather in September - trends and predictions
In general, the average temperature in Tucson at the beginning of September is 35.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 36.9 °C by the end of September.
The climate of Tucson in September is notably wet, with an average of 12 rainy days, and a total of 69.1 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
35°/20°
Temperatures
21 km/h
Avg max wind
37 %
Avg humidity
Tucson Weather September
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Temperatures trend during September in Tucson
See the weather trend as well as the moving average line
September weather in Tucson day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 35° /22° | 0.4 mm | 8 | |
| Sept. 2 |  Patchy rain possible | 35° /22° | 0.5 mm | 8 | |
| Sept. 3 |  Sunny | 36° /21° | 0 mm | 9 | |
| Sept. 4 | Sunny | 35° /22° | 2.2 mm | 8 | |
| Sept. 5 | Sunny | 33° /20° | 23.2 mm | 8 | |
| Sept. 6 | Sunny | 36° /21° | 2.1 mm | 9 | |
| Sept. 7 | Sunny | 37° /22° | 0 mm | 9 | |
| Sept. 8 | Sunny | 37° /22° | 0 mm | 9 | |
| Sept. 9 | Sunny | 39° /22° | 0 mm | 9 | |
| Sept. 10 | Sunny | 39° /22° | 0 mm | 9 | |
| Sept. 11 |  Cloudy | 37° /23° | 0.2 mm | 8 | |
| Sept. 12 | Thundery outbreaks possible | 35° /23° | 2.2 mm | 8 | |
| Sept. 13 |  Moderate or heavy rain shower | 34° /22° | 1.5 mm | 8 | |
| Sept. 14 | Sunny | 35° /20° | 0.9 mm | 8 | |
| Sept. 15 | Sunny | 36° /20° | 1.3 mm | 8 | |
| Sept. 16 | Sunny | 35° /20° | 2.6 mm | 8 | |
| Sept. 17 |  Partly cloudy | 34° /20° | 0 mm | 8 | |
| Sept. 18 | Sunny | 35° /19° | 0 mm | 8 | |
| Sept. 19 | Sunny | 35° /17° | 0 mm | 8 | |
| Sept. 20 | Sunny | 35° /17° | 0 mm | 8 | |
| Sept. 21 | Sunny | 33° /16° | 2 mm | 8 | |
| Sept. 22 | Partly cloudy | 33° /16° | 6.4 mm | 8 | |
| Sept. 23 | Sunny | 37° /17° | 0 mm | 9 | |
| Sept. 24 | Sunny | 37° /18° | 0 mm | 9 | |
| Sept. 25 | Sunny | 38° /19° | 2 mm | 9 | |
| Sept. 26 | Sunny | 36° /19° | 19.8 mm | 8 | |
| Sept. 27 | Sunny | 37° /19° | 1.8 mm | 9 | |
| Sept. 28 | Sunny | 36° /18° | 0 mm | 9 | |
| Sept. 29 | Sunny | 37° /18° | 0 mm | 9 | |
| Sept. 30 | Sunny | 37° /17° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Tucson 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 Tucson forecast closer to your planned date for the most up-to-date weather information.
Change Month
Tucson in September - FAQ
What are the expected maximum and minimum temperatures in Tucson during September?
Expect warm days with temperatures around 35°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Tucson during September?
Moderate rainfall is anticipated in Tucson during September, with a total of 69.1 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Tucson during September?
The average wind speed in Tucson during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Tucson
Explore the daily rainfall trends and prepare for Tucsons September weather 💧
Typically, Tucson has 12 rainy days in September with a total of 69.1 mm of rainfall.
UV exposure in Tucson during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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