McKinney (TX)
September
Weather in McKinney, Texas for September 2027
Your guide to McKinney weather in September - trends and predictions
In general, the average temperature in McKinney at the beginning of September is 34.8 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 32.3 °C by the end of September.
McKinney experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 78.7 mm.
Is September a good time to visit McKinney? check out the best time to travel to McKinney page.
✨ Is September a good time to visit McKinney? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
34°/22°
Temperatures
21 km/h
Avg max wind
54 %
Avg humidity
McKinney Weather September
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Temperatures trend during September in McKinney
See the weather trend as well as the moving average line
September weather in McKinney day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 35° /22° | 0.4 mm | 8 | |
| Sept. 2 |  Light rain | 35° /23° | 3.6 mm | 8 | |
| Sept. 3 |  Thundery outbreaks possible | 33° /23° | 1.5 mm | 7 | |
| Sept. 4 |  Patchy rain possible | 34° /23° | 1.1 mm | 8 | |
| Sept. 5 | Partly cloudy | 37° /24° | 0.4 mm | 9 | |
| Sept. 6 | Thundery outbreaks possible | 35° /23° | 6.6 mm | 9 | |
| Sept. 7 |  Sunny | 35° /22° | 0 mm | 8 | |
| Sept. 8 | Sunny | 37° /22° | 0.1 mm | 9 | |
| Sept. 9 | Sunny | 35° /20° | 0.4 mm | 9 | |
| Sept. 10 | Sunny | 35° /20° | 0.2 mm | 9 | |
| Sept. 11 | Light rain | 33° /22° | 2.6 mm | 7 | |
| Sept. 12 |  Moderate rain | 34° /22° | 16.1 mm | 8 | |
| Sept. 13 |  Cloudy | 34° /23° | 0 mm | 8 | |
| Sept. 14 | Patchy rain possible | 34° /23° | 1.4 mm | 8 | |
| Sept. 15 |  Overcast | 34° /24° | 0.6 mm | 8 | |
| Sept. 16 | Partly cloudy | 35° /23° | 0.3 mm | 8.5 | |
| Sept. 17 | Sunny | 35° /22° | 0.1 mm | 8 | |
| Sept. 18 | Sunny | 36° /24° | 0.8 mm | 8 | |
| Sept. 19 | Overcast | 36° /23° | 0.4 mm | 8 | |
| Sept. 20 | Patchy rain possible | 36° /23° | 1.6 mm | 7 | |
| Sept. 21 | Thundery outbreaks possible | 36° /23° | 1.8 mm | 7 | |
| Sept. 22 | Patchy rain possible | 35° /22° | 2.2 mm | 8 | |
| Sept. 23 | Thundery outbreaks possible | 33° /23° | 8.3 mm | 6 | |
| Sept. 24 | Moderate rain | 33° /22° | 21 mm | 6 | |
| Sept. 25 | Patchy rain possible | 31° /19° | 1.9 mm | 6 | |
| Sept. 26 |  Mist | 32° /19° | 0 mm | 7 | |
| Sept. 27 | Sunny | 33° /19° | 0.8 mm | 7 | |
| Sept. 28 | Patchy rain possible | 33° /19° | 1.4 mm | 7 | |
| Sept. 29 | Overcast | 33° /20° | 0 mm | 7 | |
| Sept. 30 | Light rain | 33° /21° | 3 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for McKinney 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 McKinney forecast closer to your planned date for the most up-to-date weather information.
Change Month
McKinney in September - FAQ
What are the expected maximum and minimum temperatures in McKinney during September?
During September, expect a variety of temperatures with highs around 34° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in McKinney during September?
Moderate rainfall is anticipated in McKinney during September, with a total of 78.7 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in McKinney during September?
The average wind speed in McKinney during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in McKinney
Explore the daily rainfall trends and prepare for McKinneys September weather 💧
Typically, McKinney has 8 rainy days in September with a total of 78.7 mm of rainfall.
UV exposure in McKinney during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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