Tempe Junction (AZ)
September
Weather in Tempe Junction, Arizona for September 2025
Your guide to Tempe Junction weather in September - trends and predictions
Until now, September 2025 in Tempe Junction is slightly cooler than the historical average by -1.4 °F.
Expect cooler weather in the next days in Tempe Junction with the forecast suggesting a temperature of 36.3 °F, lower than the historical average.
In general, the average temperature in Tempe Junction at the beginning of September is 39.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 35.1 °F by the end of September.
With an average of 3 rainy days, Tempe Junction experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
39°/26°
Temperatures
17 km/h
Avg max wind
23 %
Avg humidity
Tempe Junction Weather September
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Temperatures trend during September in Tempe Junction
See the weather trend as well as the moving average line
September weather in Tempe Junction day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy light rain with thunder | 39° /27° | 6.6 mm | 9 | |
| Sept. 2 |  Patchy rain possible | 40° /28° | 2.2 mm | 9 | |
| Sept. 3 |  Sunny | 40° /28° | 0 mm | 10 | |
| Sept. 4 | Sunny | 40° /29° | 0 mm | 9 | |
| Sept. 5 | Sunny | 37° /27° | 0 mm | 9 | |
| Sept. 6 | Sunny | 39° /28° | 0 mm | 10 | |
| Sept. 7 | Sunny | 41° /28° | 0 mm | 9 | |
| Sept. 8 | Sunny | 40° /28° | 0 mm | 10 | |
| Sept. 9 | Sunny | 42° /28° | 0 mm | 10 | |
| Sept. 10 | Sunny | 41° /28° | 0 mm | 9 | |
| Sept. 11 | Sunny | 39° /29° | 0 mm | 9 | |
| Sept. 12 |  Thundery outbreaks possible | 36° /28° | 0 mm | 8 | |
| Sept. 13 | Sunny | 37° /26° | 0.9 mm | 9 | |
| Sept. 14 | Sunny | 38° /24° | 0 mm | 9 | |
| Sept. 15 | Sunny | 38° /25° | 1.9 mm | 9 | |
| Sept. 16 | Sunny | 39° /25° | 0.1 mm | 9 | |
| Sept. 17 |  Overcast | 36° /27° | 0 mm | 1.6 | |
| Sept. 18 | Patchy rain possible | 38° /27° | 1.7 mm | 2 | |
| Sept. 19 | Patchy rain possible | 37° /29° | 3.9 mm | 1.9 | |
| Sept. 20 | Sunny | 37° /27° | 0 mm | 2 | |
| Sept. 21 | Sunny | 37° /31° | 0 mm | 0 | |
| Sept. 22 | Sunny | 38° /30° | 0 mm | 8 | |
| Sept. 23 | Sunny | 39° /30° | 0 mm | 8 | |
| Sept. 24 | Sunny | 40° /32° | 0 mm | 9 | |
| Sept. 25 | Sunny | 37° /31° | 0 mm | 8 | |
| Sept. 26 | Sunny | 38° /30° | 0 mm | 8 | |
| Sept. 27 | Sunny | 37° /29° | 0 mm | 8 | |
| Sept. 28 | Sunny | 30° /26° | 0.1 mm | 7 | |
| Sept. 29 | Sunny | 31° /23° | 0 mm | 7 | |
| Sept. 30 | Sunny | 33° /24° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Tempe Junction 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 Tempe Junction forecast closer to your planned date for the most up-to-date weather information.
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Tempe Junction in September - FAQ
What are the expected maximum and minimum temperatures in Tempe Junction during September?
With daytime temperatures soaring above 39° and not dropping much below 26° at night, September in Tempe Junction is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Tempe Junction during September?
Expect minimal rainfall in Tempe Junction during September, with a total of 14.9 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Tempe Junction during September?
The average wind speed in Tempe Junction during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Tempe Junction
Explore the daily rainfall trends and prepare for Tempe Junctions September weather 💧
UV exposure in Tempe Junction during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Tempe Junction?Get accurate weather forecasts for Tempe Junction, located at latitude 33.414 and longitude -111.943. Stay updated with localized weather information tailored for Tempe Junction.
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