S
M
T
W
T
F
S
30
77°
53°
31
75°
52°
1
75°
52°
2
76°
54°
3
75°
54°
4
73°
56°
5
75°
54°
6
74°
53°
7
72°
52°
8
71°
51°
9
71°
51°
10
73°
57°
11
71°
51°
12
71°
50°
13
75°
49°
14
74°
55°
15
75°
56°
16
71°
50°
17
70°
48°
18
75°
48°
19
76°
54°
20
75°
55°
21
75°
53°
22
72°
51°
23
74°
47°
24
69°
46°
25
67°
51°
26
68°
44°
27
72°
45°
28
63°
44°
29
62°
44°
30
62°
43°
1
Hist. Avg.
66°
43°
2
Hist. Avg.
66°
43°
3
Hist. Avg.
65°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Etna
Etna's September 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 43° and 57°. The average high for September is 72° with an average low of 51°. 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 Etna. See also: October | November | December.
