S
M
T
W
T
F
S
30
91°
76°
31
89°
76°
1
88°
77°
2
89°
76°
3
89°
75°
4
90°
75°
5
89°
77°
6
91°
76°
7
92°
74°
8
91°
76°
9
92°
75°
10
92°
75°
11
91°
76°
12
92°
75°
13
92°
76°
14
91°
77°
15
89°
77°
16
90°
76°
17
89°
75°
18
88°
73°
19
88°
75°
20
89°
76°
21
88°
74°
22
88°
75°
23
90°
75°
24
89°
74°
25
88°
72°
26
89°
73°
27
88°
72°
28
89°
74°
29
89°
74°
30
90°
74°
1
Hist. Avg.
87°
72°
2
Hist. Avg.
87°
72°
3
Hist. Avg.
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lamont
Lamont's September 2026 forecast shows daily high temperatures ranging from 88° to 92°, with overnight lows between 72° and 77°. The average high for September is 90° with an average low of 75°. 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 Lamont. See also: October | November | December.
