S
M
T
W
T
F
S
30
82°
61°
31
82°
54°
1
81°
53°
2
83°
59°
3
84°
54°
4
87°
55°
5
87°
55°
6
80°
56°
7
80°
55°
8
84°
53°
9
86°
54°
10
87°
51°
11
89°
61°
12
92°
56°
13
90°
68°
14
74°
56°
15
83°
47°
16
87°
64°
17
84°
66°
18
84°
59°
19
72°
52°
20
74°
47°
21
75°
50°
22
74°
54°
23
N/A
24
82°
49°
25
N/A
26
83°
55°
27
82°
57°
28
70°
53°
29
71°
53°
30
76°
46°
1
78°
42°
2
87°
51°
3
87°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Delta
Delta's September 2026 forecast shows daily high temperatures ranging from 87° to 87°, with overnight lows between 49° and 51°. The average high for September is 87° with an average low of 50°. 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. See also: October | November | December.
