Phoenix (AZ)
September
Weather in Phoenix, Arizona for September 2027
Your guide to Phoenix weather in September - trends and predictions
In general, the average temperature in Phoenix at the beginning of September is 39.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 36.2 °C by the end of September.
With an average of 5 rainy days, Phoenix experiences minimal rainfall in September.
Is September a good time to visit Phoenix? check out the best time to travel to Phoenix page.
✨ Is September a good time to visit Phoenix? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
5
Rainy days
0
Snow days
38°/26°
Temperatures
17 km/h
Avg max wind
30 %
Avg humidity
Phoenix Weather September
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Temperatures trend during September in Phoenix
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September weather in Phoenix day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain | 39° /28° | 7.8 mm | 9 | |
| Sept. 2 |  Patchy rain possible | 39° /29° | 1.1 mm | 9 | |
| Sept. 3 | Light rain | 40° /28° | 6.9 mm | 9.6 | |
| Sept. 4 |  Sunny | 40° /29° | 0.7 mm | 9 | |
| Sept. 5 | Sunny | 39° /29° | 0 mm | 9 | |
| Sept. 6 | Sunny | 41° /29° | 0 mm | 9 | |
| Sept. 7 | Sunny | 41° /29° | 0 mm | 9.2 | |
| Sept. 8 | Sunny | 41° /29° | 0 mm | 9.2 | |
| Sept. 9 | Sunny | 41° /29° | 0.4 mm | 9.1 | |
| Sept. 10 | Patchy rain possible | 40° /29° | 1.5 mm | 9 | |
| Sept. 11 | Sunny | 39° /29° | 0.5 mm | 8.9 | |
| Sept. 12 | Sunny | 38° /28° | 0.9 mm | 8.8 | |
| Sept. 13 | Patchy rain possible | 38° /27° | 2.3 mm | 8.7 | |
| Sept. 14 | Sunny | 38° /27° | 0.2 mm | 8.6 | |
| Sept. 15 | Patchy rain possible | 38° /27° | 1.6 mm | 8 | |
| Sept. 16 | Light rain | 38° /25° | 5.9 mm | 8 | |
| Sept. 17 | Sunny | 36° /26° | 0.5 mm | 8 | |
| Sept. 18 | Sunny | 37° /25° | 0.1 mm | 8 | |
| Sept. 19 | Sunny | 38° /26° | 0 mm | 8.2 | |
| Sept. 20 | Sunny | 37° /26° | 0 mm | 8 | |
| Sept. 21 | Patchy rain possible | 35° /25° | 1.8 mm | 8 | |
| Sept. 22 | Patchy rain possible | 36° /25° | 1.8 mm | 7.9 | |
| Sept. 23 | Sunny | 37° /26° | 0.2 mm | 7.8 | |
| Sept. 24 | Light rain | 37° /24° | 4.1 mm | 7.7 | |
| Sept. 25 | Sunny | 38° /25° | 0.1 mm | 7.7 | |
| Sept. 26 | Light rain | 37° /25° | 4.5 mm | 7.6 | |
| Sept. 27 | Sunny | 37° /25° | 0.5 mm | 7 | |
| Sept. 28 | Light rain | 36° /24° | 5.3 mm | 7 | |
| Sept. 29 | Light rain | 34° /23° | 3.3 mm | 7.3 | |
| Sept. 30 | Sunny | 35° /23° | 0.2 mm | 7.2 | |
| Next | |||||
Important Notice
Our weather forecast for Phoenix 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 Phoenix forecast closer to your planned date for the most up-to-date weather information.
Change Month
Phoenix in September - FAQ
What are the expected maximum and minimum temperatures in Phoenix during September?
With daytime temperatures soaring above 38° and not dropping much below 26° at night, September in Phoenix is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Phoenix during September?
Moderate rainfall is anticipated in Phoenix during September, with a total of 52.1 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Phoenix during September?
The average wind speed in Phoenix during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Phoenix
Explore the daily rainfall trends and prepare for Phoenixs September weather 💧
Typically, Phoenix has 5 rainy days in September with a total of 52.1 mm of rainfall.
UV exposure in Phoenix during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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