S
M
T
W
T
F
S
31
88°
54°
1
92°
54°
2
92°
60°
3
90°
64°
4
84°
62°
5
84°
57°
6
83°
62°
7
87°
60°
8
89°
64°
9
86°
61°
10
87°
54°
11
83°
52°
12
80°
54°
13
78°
51°
14
85°
50°
15
83°
55°
16
78°
49°
17
80°
46°
18
80°
47°
19
81°
61°
20
82°
56°
21
82°
54°
22
76°
55°
23
72°
43°
24
77°
47°
25
84°
49°
26
79°
60°
27
79°
52°
28
75°
53°
29
76°
51°
30
69°
53°
1
76°
47°
2
82°
47°
3
81°
52°
4
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Delta
Delta's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
