S
M
T
W
T
F
S
30
84°
68°
31
88°
68°
1
84°
68°
2
86°
70°
3
88°
68°
4
90°
68°
5
N/A
6
89°
69°
7
89°
70°
8
90°
67°
9
74°
63°
10
76°
61°
11
75°
60°
12
76°
58°
13
74°
59°
14
72°
59°
15
75°
60°
16
72°
59°
17
73°
60°
18
75°
59°
19
67°
51°
20
68°
52°
21
71°
52°
22
73°
52°
23
73°
55°
24
72°
52°
25
73°
54°
26
73°
56°
27
72°
54°
28
72°
55°
29
71°
53°
30
71°
52°
1
67°
49°
2
68°
52°
3
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Montello
Montello's September 2026 forecast shows daily high temperatures ranging from 67° to 90°, with overnight lows between 48° and 70°. The average high for September is 74° with an average low of 57°. 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 Montello. See also: October | November | December.
