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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
McKinney, TX
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
36°
3
31°
4
35°
5
36°
6
36°
7
37°
8
36°
9
35°
10
36°
11
33°
12
35°
13
35°
14
34°
15
34°
16
34°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
36°
Feels 38
Wind
24 km/h E
Gust
35 km/h
Humidity
39%
P.O.P
40%
Rain
~1 mm
Night
23°
Feels 24
Wind
23 km/h SE
Gust
34 km/h
Humidity
100%
P.O.P
70%
Rain
~1 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
31°
Feels 34
Low
20°
Feels 20
Average Precipitation
6 Days
Rain amount
54.8mm
Snow amount
0cm