S
M
T
W
T
F
S
30
92°
63°
31
95°
70°
1
97°
69°
2
98°
71°
3
99°
72°
4
98°
72°
5
98°
73°
6
86°
68°
7
86°
60°
8
92°
62°
9
97°
74°
10
79°
71°
11
83°
69°
12
88°
72°
13
91°
68°
14
83°
60°
15
96°
66°
16
96°
75°
17
97°
73°
18
97°
72°
19
96°
70°
20
95°
70°
21
84°
64°
22
65°
60°
23
68°
61°
24
71°
62°
25
77°
56°
26
78°
52°
27
78°
47°
28
80°
47°
29
83°
49°
30
91°
59°
1
92°
66°
2
78°
58°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lamar
Lamar's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
