S
M
T
W
T
F
S
30
84°
61°
31
77°
59°
1
76°
63°
2
76°
64°
3
78°
60°
4
80°
66°
5
82°
66°
6
83°
59°
7
80°
59°
8
75°
58°
9
74°
57°
10
74°
63°
11
79°
57°
12
76°
57°
13
73°
56°
14
72°
63°
15
77°
62°
16
79°
55°
17
79°
54°
18
70°
53°
19
69°
54°
20
70°
59°
21
68°
57°
22
69°
53°
23
68°
57°
24
68°
56°
25
69°
58°
26
73°
59°
27
74°
53°
28
74°
51°
29
67°
56°
30
67°
57°
1
66°
58°
2
70°
55°
3
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Delaware Junction
Delaware Junction's September 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 49° and 66°. The average high for September is 74° with an average low of 58°. 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 Delaware Junction. See also: October | November | December.
