S
M
T
W
T
F
S
30
94°
71°
31
95°
72°
1
95°
72°
2
94°
71°
3
95°
72°
4
95°
72°
5
94°
71°
6
95°
68°
7
94°
64°
8
85°
65°
9
86°
68°
10
91°
69°
11
91°
65°
12
90°
65°
13
84°
69°
14
91°
69°
15
90°
59°
16
91°
58°
17
82°
58°
18
80°
59°
19
80°
57°
20
81°
56°
21
79°
56°
22
79°
57°
23
80°
56°
24
80°
57°
25
81°
60°
26
81°
61°
27
86°
64°
28
85°
64°
29
86°
57°
30
82°
59°
1
78°
58°
2
83°
54°
3
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Montague
Montague's September 2026 forecast shows daily high temperatures ranging from 78° to 95°, with overnight lows between 54° and 72°. The average high for September is 87° with an average low of 63°. 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 Montague. See also: October | November | December.
