S
M
T
W
T
F
S
30
65°
48°
31
66°
47°
1
65°
45°
2
62°
35°
3
56°
44°
4
54°
44°
5
60°
43°
6
61°
44°
7
57°
44°
8
56°
43°
9
58°
42°
10
56°
37°
11
53°
35°
12
51°
36°
13
53°
40°
14
51°
38°
15
52°
34°
16
50°
37°
17
Hist. Avg.
52°
35°
18
Hist. Avg.
51°
35°
19
Hist. Avg.
51°
34°
20
Hist. Avg.
50°
34°
21
Hist. Avg.
50°
33°
22
Hist. Avg.
49°
33°
23
Hist. Avg.
48°
32°
24
Hist. Avg.
48°
32°
25
Hist. Avg.
47°
32°
26
Hist. Avg.
46°
31°
27
Hist. Avg.
46°
30°
28
Hist. Avg.
45°
30°
29
Hist. Avg.
44°
29°
30
Hist. Avg.
44°
29°
1
Hist. Avg.
43°
28°
2
Hist. Avg.
42°
28°
3
Hist. Avg.
41°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Delta Junction
Delta Junction's September 2026 forecast shows daily high temperatures ranging from 50° to 66°, with overnight lows between 34° and 48°. The average high for September is 57° with an average low of 41°. 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 Delta Junction. See also: October | November | December.
