S
M
T
W
T
F
S
30
68°
50°
31
67°
55°
1
68°
52°
2
66°
51°
3
67°
50°
4
72°
56°
5
65°
48°
6
66°
49°
7
67°
49°
8
66°
50°
9
66°
50°
10
67°
49°
11
66°
52°
12
69°
51°
13
72°
52°
14
73°
51°
15
72°
56°
16
73°
57°
17
73°
53°
18
71°
48°
19
65°
46°
20
69°
54°
21
69°
47°
22
64°
49°
23
65°
53°
24
61°
54°
25
59°
49°
26
59°
50°
27
58°
46°
28
58°
46°
29
59°
53°
30
58°
55°
1
60°
53°
2
60°
45°
3
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Martha Lake
Martha Lake's September 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 44° and 57°. The average high for September is 66° with an average low of 51°. 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 Martha Lake. See also: October | November | December.
