September 2026 Weather | McKinney, Texas

Today 9/10
Sunny with a Chance of Thunderstorms
Day 99°
Night 75°
55
Fri 9/11
Sunny with a Chance of Thunderstorms
Day 91°
Night 75°
55
Sat 9/12
Sunny Weather
Day 99°
Night 79°
2
Sun 9/13
Cloudy Weather
Day 99°
Night 77°
10
Mon 9/14
Cloudy Weather
Day 99°
Night 75°
12
Tue 9/15
Sunny Weather
Day 97°
Night 75°
11
Wed 9/16
Sunny Weather
Day 99°
Night 73°
8
Thu 9/17
Sunny Weather
Day 97°
Night 72°
5
Fri 9/18
Cloudy Weather
Day 93°
Night 70°
25
Sat 9/19
Sunny Weather
Day 91°
Night 70°
2
Sun 9/20
Cloudy Weather
Day 90°
Night 70°
5
Mon 9/21
Sunny Weather
Day 90°
Night 66°
3
Tue 9/22
Cloudy Weather
Day 88°
Night 64°
3
Wed 9/23
Cloudy Weather
Day 88°
Night 64°
25
Thu 9/24
Cloudy Weather
Day 88°
Night 68°
56
Fri 9/25
Cloudy Weather
Day 90°
Night 66°
Sat 9/26
Sunny Weather
Day 88°
Night 66°
Sun 9/27
Cloudy Weather
Day 90°
Night 66°
Mon 9/28
Cloudy Weather
Day 90°
Night 66°
Tue 9/29
Cloudy Weather
Day 88°
Night 64°
Wed 9/30
Cloudy Weather
Day 90°
Night 66°