S
M
T
W
T
F
S
30
80°
55°
31
84°
46°
1
80°
59°
2
84°
55°
3
83°
53°
4
88°
54°
5
88°
55°
6
88°
54°
7
79°
54°
8
83°
44°
9
82°
45°
10
87°
45°
11
85°
53°
12
77°
44°
13
88°
50°
14
75°
51°
15
69°
39°
16
80°
46°
17
77°
53°
18
75°
50°
19
69°
46°
20
63°
46°
21
69°
45°
22
74°
45°
23
73°
48°
24
75°
45°
25
77°
51°
26
80°
50°
27
75°
50°
28
68°
47°
29
69°
47°
30
76°
45°
1
74°
47°
2
72°
41°
3
57°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lander
Lander's September 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 36° and 51°. The average high for September is 72° with an average low of 46°. 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 Lander. See also: October | November | December.
