S
M
T
W
T
F
S
30
101°
81°
31
N/A
1
99°
76°
2
95°
75°
3
89°
75°
4
95°
74°
5
96°
76°
6
99°
75°
7
101°
76°
8
100°
75°
9
95°
73°
10
96°
73°
11
96°
72°
12
93°
72°
13
94°
71°
14
89°
67°
15
92°
71°
16
91°
70°
17
92°
71°
18
92°
71°
19
91°
70°
20
91°
70°
21
90°
69°
22
88°
69°
23
88°
68°
24
90°
69°
25
90°
68°
26
89°
67°
27
90°
68°
28
90°
68°
29
89°
67°
30
89°
67°
1
88°
66°
2
88°
67°
3
87°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mesquite
Mesquite's September 2026 forecast shows daily high temperatures ranging from 87° to 101°, with overnight lows between 66° and 76°. The average high for September is 92° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Mesquite. See also: October | November | December.
