S
M
T
W
T
F
S
30
92°
54°
31
92°
55°
1
90°
49°
2
82°
48°
3
83°
50°
4
85°
48°
5
85°
49°
6
88°
50°
7
90°
53°
8
90°
53°
9
89°
52°
10
89°
51°
11
86°
52°
12
87°
51°
13
88°
52°
14
86°
49°
15
85°
48°
16
83°
49°
17
82°
48°
18
81°
48°
19
80°
40°
20
75°
38°
21
Hist. Avg.
80°
43°
22
Hist. Avg.
80°
43°
23
Hist. Avg.
79°
43°
24
Hist. Avg.
78°
42°
25
Hist. Avg.
78°
42°
26
Hist. Avg.
78°
41°
27
Hist. Avg.
77°
41°
28
Hist. Avg.
77°
40°
29
Hist. Avg.
76°
40°
30
Hist. Avg.
76°
40°
1
Hist. Avg.
75°
39°
2
Hist. Avg.
75°
39°
3
Hist. Avg.
74°
38°
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 75° to 92°, with overnight lows between 38° and 55°. The average high for September is 86° with an average low of 49°. 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.
