S
M
T
W
T
F
S
30
73°
37°
31
71°
43°
1
78°
37°
2
73°
44°
3
79°
45°
4
79°
46°
5
81°
43°
6
79°
35°
7
67°
43°
8
75°
40°
9
66°
41°
10
67°
42°
11
70°
44°
12
74°
43°
13
72°
39°
14
75°
36°
15
65°
31°
16
64°
33°
17
Hist. Avg.
63°
34°
18
Hist. Avg.
63°
34°
19
Hist. Avg.
63°
34°
20
Hist. Avg.
62°
34°
21
Hist. Avg.
62°
33°
22
Hist. Avg.
62°
33°
23
Hist. Avg.
62°
33°
24
Hist. Avg.
61°
33°
25
Hist. Avg.
61°
33°
26
Hist. Avg.
61°
32°
27
Hist. Avg.
61°
32°
28
Hist. Avg.
60°
32°
29
Hist. Avg.
60°
32°
30
Hist. Avg.
60°
32°
1
Hist. Avg.
60°
31°
2
Hist. Avg.
59°
31°
3
Hist. Avg.
59°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Aetna
Aetna's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 31° and 46°. The average high for September is 73° with an average low of 40°. 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 Aetna. See also: October | November | December.
