S
M
T
W
T
F
S
30
85°
48°
31
89°
48°
1
88°
52°
2
91°
54°
3
92°
45°
4
85°
45°
5
80°
47°
6
84°
49°
7
86°
48°
8
80°
45°
9
79°
49°
10
83°
47°
11
87°
47°
12
86°
48°
13
85°
49°
14
88°
42°
15
85°
38°
16
75°
37°
17
73°
37°
18
73°
38°
19
75°
41°
20
80°
46°
21
85°
49°
22
84°
46°
23
74°
39°
24
72°
38°
25
71°
36°
26
70°
34°
27
69°
35°
28
70°
36°
29
71°
38°
30
75°
40°
1
Hist. Avg.
76°
35°
2
Hist. Avg.
76°
35°
3
Hist. Avg.
75°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Battle Mountain
Battle Mountain's September 2026 forecast shows daily high temperatures ranging from 69° to 92°, with overnight lows between 34° and 54°. The average high for September is 80° with an average low of 43°. 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 Battle Mountain. See also: October | November | December.