Tucson
September
Weather in Tucson for September 2025
Your guide to Tucson weather in September - trends and predictions
In general, the average temperature in Tucson at the beginning of September is 36.4 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 38.6 °F by the end of September.
With an average of 4 rainy days, Tucson experiences minimal rainfall in September.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
26
Dry days
4
Rainy days
0
Snow days
36°/20°
Temperatures
21 km/h
Avg max wind
30 %
Avg humidity
Tucson in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2  35° | 3  36° | 4 37° | 5 38° | 6 38° | 7  37° |
| 8 37° | 9 39° | 10 40° | 11  38° | 12 35° | 13  35° | 14 35° |
| 15 35° | 16 35° | 17 36° | 18 35° | 19 35° | 20  34° | 21 33° |
| 22 34° | 23 36° | 24 36° | 25 39° | 26 40° | 27 40° | 28 38° |
| 29 39° | 30 38° |
You can click on date
Access Tucson weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Tucson
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Thundery outbreaks possible | 34° /22° | 0.6 mm | 8 | |
| Sept. 2 | Patchy rain possible | 35° /21° | 0.8 mm | 8 | |
| Sept. 3 | Sunny | 36° /22° | 0 mm | 9 | |
| Sept. 4 | Sunny | 37° /22° | 0 mm | 9 | |
| Sept. 5 | Sunny | 38° /21° | 0 mm | 9 | |
| Sept. 6 | Sunny | 38° /22° | 0 mm | 10 | |
| Sept. 7 | Partly cloudy | 37° /23° | 0 mm | 9 | |
| Sept. 8 | Sunny | 37° /23° | 0 mm | 9 | |
| Sept. 9 | Sunny | 39° /23° | 0 mm | 10 | |
| Sept. 10 | Partly cloudy | 40° /23° | 0 mm | 10 | |
| Sept. 11 | Cloudy | 38° /24° | 0.2 mm | 9 | |
| Sept. 12 | Thundery outbreaks possible | 35° /23° | 0 mm | 9 | |
| Sept. 13 | Moderate or heavy rain shower | 35° /22° | 2.3 mm | 8 | |
| Sept. 14 | Sunny | 35° /21° | 1.3 mm | 8 | |
| Sept. 15 | Sunny | 35° /20° | 1.9 mm | 8 | |
| Sept. 16 | Sunny | 35° /19° | 3.9 mm | 8 | |
| Sept. 17 | Partly cloudy | 36° /18° | 0 mm | 8 | |
| Sept. 18 | Sunny | 35° /17° | 0 mm | 9 | |
| Sept. 19 | Sunny | 35° /15° | 0 mm | 9 | |
| Sept. 20 | Overcast | 34° /15° | 0 mm | 8 | |
| Sept. 21 | Sunny | 33° /14° | 0 mm | 8 | |
| Sept. 22 | Partly cloudy | 34° /13° | 0 mm | 8 | |
| Sept. 23 | Sunny | 36° /15° | 0 mm | 9 | |
| Sept. 24 | Sunny | 36° /16° | 0 mm | 9 | |
| Sept. 25 | Sunny | 39° /18° | 0 mm | 9 | |
| Sept. 26 | Sunny | 40° /19° | 0 mm | 10 | |
| Sept. 27 | Sunny | 40° /18° | 0 mm | 10 | |
| Sept. 28 | Overcast | 38° /19° | 0 mm | 9 | |
| Sept. 29 | Sunny | 39° /18° | 0 mm | 9 | |
| Sept. 30 | Sunny | 38° /16° | 0 mm | 9 | |
| Next | |||||
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.
Tucson in September - FAQ
What are the expected maximum and minimum temperatures in Tucson during September?
Expect warm days with temperatures around 36°, 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?
Expect minimal rainfall in Tucson during September, with a total of 11.1 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
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 💧
UV exposure in Tucson during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
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.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.