S
M
T
W
T
F
S
30
88°
70°
31
92°
67°
1
94°
71°
2
96°
71°
3
94°
71°
4
95°
72°
5
91°
67°
6
83°
66°
7
78°
65°
8
82°
67°
9
86°
65°
10
87°
68°
11
85°
62°
12
81°
63°
13
82°
64°
14
83°
66°
15
80°
67°
16
76°
65°
17
75°
65°
18
78°
64°
19
75°
64°
20
74°
61°
21
75°
58°
22
75°
60°
23
76°
60°
24
80°
64°
25
80°
63°
26
73°
62°
27
72°
63°
28
72°
63°
29
73°
62°
30
75°
62°
1
71°
61°
2
71°
60°
3
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Landrum
Landrum's September 2026 forecast shows daily high temperatures ranging from 71° to 96°, with overnight lows between 58° and 72°. The average high for September is 80° with an average low of 64°. 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 Landrum. See also: October | November | December.