S
M
T
W
T
F
S
30
61°
57°
31
72°
54°
1
68°
52°
2
59°
48°
3
64°
57°
4
66°
55°
5
N/A
6
67°
52°
7
61°
49°
8
61°
49°
9
62°
45°
10
60°
51°
11
63°
49°
12
60°
47°
13
59°
49°
14
61°
50°
15
62°
48°
16
59°
48°
17
60°
46°
18
61°
52°
19
59°
51°
20
60°
50°
21
61°
52°
22
60°
51°
23
61°
51°
24
61°
49°
25
58°
47°
26
57°
44°
27
58°
49°
28
60°
49°
29
59°
48°
30
59°
49°
1
58°
49°
2
60°
48°
3
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Letham
Letham's September 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 44° and 52°. The average high for September is 60° with an average low of 49°. 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 Letham. See also: October | November | December.
