Pima County (Tucson)
September
Weather in Pima County, Arizona for September 2027
Your guide to Pima County weather in September - trends and predictions
In general, the average temperature in Pima County at the beginning of September is 35.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 34.5 °C by the end of September.
Pima County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 85.9 mm.
Is September a good time to visit Pima County? check out the best time to travel to Pima County page.
✨ Is September a good time to visit Pima County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
24
Dry days
6
Rainy days
0
Snow days
35°/21°
Temperatures
20 km/h
Avg max wind
39 %
Avg humidity
Pima County Weather September
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Temperatures trend during September in Pima County
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September weather in Pima County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 35° /22° | 0.3 mm | 9 | |
| Sept. 2 |  Sunny | 35° /22° | 0.4 mm | 9 | |
| Sept. 3 |  Light rain | 36° /22° | 6.2 mm | 9 | |
| Sept. 4 |  Patchy rain possible | 35° /23° | 1.6 mm | 9 | |
| Sept. 5 |  Moderate rain | 34° /21° | 17.4 mm | 8 | |
| Sept. 6 | Patchy rain possible | 37° /22° | 1.5 mm | 9 | |
| Sept. 7 | Sunny | 36° /23° | 0 mm | 8 | |
| Sept. 8 | Sunny | 37° /24° | 0 mm | 8 | |
| Sept. 9 | Sunny | 38° /24° | 0 mm | 8 | |
| Sept. 10 |  Partly cloudy | 39° /23° | 0 mm | 9.2 | |
| Sept. 11 | Patchy rain possible | 37° /24° | 1.9 mm | 9 | |
| Sept. 12 | Thundery outbreaks possible | 35° /24° | 2.3 mm | 8 | |
| Sept. 13 | Patchy rain possible | 33° /22° | 1.5 mm | 8 | |
| Sept. 14 | Patchy rain possible | 34° /21° | 1.8 mm | 8 | |
| Sept. 15 | Patchy rain possible | 34° /21° | 1 mm | 7 | |
| Sept. 16 | Moderate rain | 33° /20° | 12.4 mm | 6 | |
| Sept. 17 | Partly cloudy | 33° /20° | 0.2 mm | 7 | |
| Sept. 18 | Sunny | 34° /20° | 0 mm | 8 | |
| Sept. 19 | Sunny | 35° /18° | 0 mm | 8.5 | |
| Sept. 20 |  Overcast | 34° /18° | 0 mm | 8 | |
| Sept. 21 | Patchy rain possible | 33° /18° | 1.5 mm | 8 | |
| Sept. 22 | Light rain | 32° /18° | 4.8 mm | 6 | |
| Sept. 23 | Sunny | 34° /18° | 0.1 mm | 7 | |
| Sept. 24 | Sunny | 34° /19° | 0.6 mm | 8 | |
| Sept. 25 | Patchy rain possible | 36° /20° | 1.5 mm | 7.9 | |
| Sept. 26 | Moderate rain | 35° /20° | 14.9 mm | 7.8 | |
| Sept. 27 | Patchy rain possible | 36° /20° | 1.4 mm | 7.8 | |
| Sept. 28 | Overcast | 34° /19° | 0.2 mm | 7 | |
| Sept. 29 | Moderate rain | 33° /18° | 11 mm | 7 | |
| Sept. 30 | Patchy rain possible | 33° /17° | 1.4 mm | 7.5 | |
| Next | |||||
Important Notice
Our weather forecast for Pima County 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 Pima County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pima County in September - FAQ
What are the expected maximum and minimum temperatures in Pima County during September?
With daytime temperatures soaring above 35° and not dropping much below 21° at night, September in Pima County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Pima County during September?
Moderate rainfall is anticipated in Pima County during September, with a total of 85.9 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Pima County during September?
The average wind speed in Pima County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Pima County
Explore the daily rainfall trends and prepare for Pima Countys September weather 💧
Typically, Pima County has 6 rainy days in September with a total of 85.9 mm of rainfall.
UV exposure in Pima County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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