S
M
T
W
T
F
S
30
90°
78°
31
92°
78°
1
91°
78°
2
91°
78°
3
90°
79°
4
90°
79°
5
90°
79°
6
101°
71°
7
91°
71°
8
90°
74°
9
93°
73°
10
87°
72°
11
90°
72°
12
91°
73°
13
94°
72°
14
95°
72°
15
96°
65°
16
94°
70°
17
90°
69°
18
97°
66°
19
92°
67°
20
93°
66°
21
92°
67°
22
92°
67°
23
93°
66°
24
91°
66°
25
91°
65°
26
92°
67°
27
92°
67°
28
93°
66°
29
92°
66°
30
92°
65°
1
93°
65°
2
92°
66°
3
93°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gamut
Gamut's September 2026 forecast shows daily high temperatures ranging from 87° to 101°, with overnight lows between 65° and 74°. The average high for September is 93° with an average low of 68°. 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 Gamut. See also: October | November | December.
