S
M
T
W
T
F
S
30
88°
69°
31
90°
72°
1
88°
71°
2
88°
65°
3
87°
63°
4
85°
63°
5
86°
65°
6
87°
68°
7
90°
71°
8
92°
71°
9
92°
70°
10
90°
69°
11
90°
69°
12
88°
70°
13
91°
63°
14
91°
62°
15
85°
61°
16
86°
62°
17
85°
61°
18
86°
62°
19
88°
61°
20
89°
65°
21
90°
66°
22
86°
66°
23
83°
65°
24
83°
66°
25
82°
65°
26
87°
65°
27
88°
64°
28
87°
64°
29
87°
63°
30
86°
63°
1
88°
62°
2
88°
60°
3
87°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Old Diana
Old Diana's September 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 56° and 72°. The average high for September is 88° with an average low of 65°. 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 Old Diana. See also: October | November | December.
