S
M
T
W
T
F
S
30
77°
41°
31
74°
43°
1
74°
47°
2
77°
49°
3
82°
48°
4
82°
41°
5
75°
38°
6
68°
37°
7
69°
39°
8
70°
43°
9
76°
45°
10
78°
40°
11
76°
42°
12
71°
39°
13
69°
43°
14
72°
33°
15
66°
32°
16
62°
30°
17
62°
32°
18
63°
36°
19
64°
40°
20
71°
38°
21
72°
32°
22
62°
31°
23
61°
32°
24
60°
31°
25
60°
31°
26
61°
32°
27
59°
30°
28
60°
32°
29
64°
35°
30
69°
28°
1
Hist. Avg.
63°
37°
2
Hist. Avg.
63°
36°
3
Hist. Avg.
62°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elkwater
Elkwater's September 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 28° and 49°. The average high for September is 69° with an average low of 37°. 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 Elkwater. See also: October | November | December.