S
M
T
W
T
F
S
30
83°
61°
31
86°
62°
1
87°
61°
2
82°
60°
3
82°
66°
4
88°
65°
5
87°
66°
6
87°
63°
7
82°
58°
8
81°
64°
9
85°
64°
10
82°
63°
11
83°
65°
12
86°
63°
13
85°
56°
14
79°
55°
15
78°
55°
16
78°
56°
17
79°
59°
18
83°
61°
19
83°
60°
20
84°
61°
21
77°
60°
22
83°
61°
23
82°
57°
24
83°
52°
25
76°
51°
26
75°
55°
27
82°
57°
28
82°
58°
29
Hist. Avg.
73°
51°
30
Hist. Avg.
73°
50°
1
Hist. Avg.
72°
50°
2
Hist. Avg.
72°
50°
3
Hist. Avg.
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lamar
Lamar's September 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 51° and 66°. The average high for September is 82° with an average low of 60°. 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 Lamar. See also: October | November | December.
