Weather in Tucson, Arizona for September 2026
Until now, September 2026 in Tucson has been nearly identical to the historical average, with a temperature of 35.4 °F (showing only a slight deviation of 0.5 °F).
The forecast for the next days in Tucson predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Tucson at the beginning of September is 35.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28.4 °F 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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Tucson Weather September
Temperatures trend during September in Tucson
September weather in Tucson day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 36° /22° | 0.3 mm | 9 | |
| Sept. 2 |  Sunny | 35° /22° | 0.4 mm | 9 | |
| Sept. 3 | Sunny | 36° /21° | 6.2 mm | 9 | |
| Sept. 4 | Sunny | 35° /22° | 1.6 mm | 9 | |
| Sept. 5 | Sunny | 34° /21° | 17.4 mm | 8 | |
| Sept. 6 | Sunny | 37° /21° | 1.5 mm | 9 | |
| Sept. 7 | Sunny | 37° /23° | 0 mm | 8 | |
| Sept. 8 | Sunny | 38° /23° | 0 mm | 8 | |
| Sept. 9 | Sunny | 39° /23° | 0 mm | 8 | |
| Sept. 10 |  Partly cloudy | 40° /23° | 0 mm | 10 | |
| Sept. 11 |  Cloudy | 37° /23° | 1.9 mm | 9 | |
| Sept. 12 | Thundery outbreaks possible | 35° /23° | 2.3 mm | 8 | |
| Sept. 13 |  Moderate or heavy rain shower | 34° /22° | 1.5 mm | 8 | |
| Sept. 14 | Sunny | 35° /21° | 1.8 mm | 8 | |
| Sept. 15 | Sunny | 34° /21° | 1 mm | 7 | |
| Sept. 16 | Sunny | 33° /20° | 12.4 mm | 6 | |
| Sept. 17 | Partly cloudy | 33° /19° | 0.2 mm | 7 | |
| Sept. 18 | Sunny | 32° /24° | 0.1 mm | 9.4 | |
| Sept. 19 | Sunny | 32° /25° | 0 mm | 9.3 | |
| Sept. 20 | Sunny | 31° /24° | 0 mm | 9.9 | |
| Sept. 21 |  Overcast | 31° /25° | 0 mm | 9 | |
| Sept. 22 | Sunny | 29° /22° | 0.6 mm | 7 | |
| Sept. 23 | Sunny | 30° /23° | 0 mm | 8 | |
| Sept. 24 | Sunny | 30° /23° | 0 mm | 8 | |
| Sept. 25 | Sunny | 32° /22° | 1.4 mm | 8 | |
| Sept. 26 | Overcast | 30° /22° | 2.5 mm | 7 | |
| Sept. 27 | Sunny | 30° /22° | 0 mm | 8 | |
| Sept. 28 | Sunny | 27° /20° | 0 mm | 7 | |
| Sept. 29 | Sunny | 25° /19° | 0 mm | 7 | |
| Sept. 30 | Sunny | 25° /18° | 0 mm | 6 | |
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Tucson in September - FAQ
What are the expected maximum and minimum temperatures in Tucson during September?
How much rainfall should be expected in Tucson during September?
What are the typical wind conditions in Tucson during September?
September rainfall patterns in Tucson
UV exposure in Tucson during September
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Where is Tucson?Get accurate weather forecasts for Tucson, located at latitude 32.222 and longitude -110.926. Stay updated with localized weather information tailored for Tucson.